Tous les Outils

Parcourez notre collection complète de 488 outils gratuits.

Couleur

11 outils

Convertisseur Couleur

Convertit les formats de couleur.

Palette Générateur

Génère beautiful, harmonious color palettes from a seed color.

Degrade

Cree des degrades CSS.

Contraste

Verifie le contraste.

Tailwind Couleur Chercheur

Trouve the closest Tailwind CSS color for any hex or RGB value.

Box Shadow Générateur

Design CSS box shadows with a visual editor and live preview.

Image Couleur Palette Extracteur

Upload an image and extract its dominant color palette using k-means clustering.

Image Couleur Picker

Upload an image and click anywhere to pick exact color values in HEX, RGB, and HSL.

Couleur Shade Générateur

Génère a full range of tints and shades from any base color for design palettes.

PANTONE to HEX

Look up popular PANTONE colors and get their HEX and RGB equivalents. Browse by color family.

Couleur Temperature Convertisseur

Convertit Kelvin color temperature to RGB and HEX. Reference chart for candles, tungsten, daylight, and more.

Contenu

21 outils

HTML Lien-in-Bio Constructeur

Génère a blazing fast static HTML alternative to Linktree.

Podcast Show Notes Constructeur

Génère rich markdown show notes with timestamps and resource links.

Email Preheader Générateur

Génère stronger inbox preview text that complements your subject line.

Startup Nom Availability Vérificateur

Génère startup names from a keyword and jump into registrar availability checks.

UTM Tracking Constructeur

Standardize your marketing attribution links.

Lien-in-Bio Générateur

Crée a simple static HTML profile page.

Hashtag Group Générateur

Curated hashtag clusters to boost organic reach.

Texte to Hashtags

Turn captions, notes, or drafts into platform-ready hashtag ideas.

Thread to Tweet Convertisseur

Condense a long thread into one tighter post for X or Twitter.

Bio Générateur for Social

Génère sharper bios for Instagram, X, LinkedIn, and creator profiles.

Email Subject Line Testeur

Score subject lines, preview mobile fit, and create test variants.

Rap Nom Générateur

Génère catchy stage names for rappers, producers, and alter egos.

Bio Lien Page Constructeur

Crée a customizable link-in-bio page with social icons and downloadable HTML.

Blog Titre Générateur

Génère catchy, click-worthy blog post titles from your keywords using proven headline formulas.

Business Nom Générateur

Génère creative startup and business name ideas from your keywords instantly.

Engagement Taux Calculateur

Calcule social media engagement rates by followers and reach with quality ratings.

Hashtag Générateur

Génère categorized hashtag sets for any niche to boost social media reach.

Headline Analyseur

Score your headlines for power words, emotional impact, length, and CTR potential.

Slogan Générateur

Génère catchy marketing slogans and taglines from your brand keywords.

UTM Lien Constructeur

Construit campaign tracking URLs with UTM source, medium, campaign, and content parameters.

AI Content Detector

Detect if text is AI-generated using heuristic analysis and pattern recognition.

Convertisseur

22 outils

Longueur

Convertit les longueurs.

Poids

Convertit les poids.

Temperature

Convertit les temperatures.

Volume Convertisseur

Convertit liters, gallons, cups, and ounces for cooking and science.

Area Convertisseur

Determine exact conversions for sq meters, sq feet, and acres.

Vitesse Convertisseur

Quickly find equivalent speeds in mph, km/h, knots, and mach.

Digital Storage Convertisseur

Transform bytes to megabytes, gigabytes, terabytes, and more.

Temps Convertisseur

Convertit exact units measuring seconds, minutes, days, and years.

Convertisseur Unites

Convertit les unites.

Byte Convertisseur

Convertit between bytes, KB, MB, GB, TB, and PB.

HEIC to JPG / PNG Convertisseur

Convertit HEIC or HEIF photos into standard JPG or PNG files right in your browser.

Image Format Convertisseur

Convertit images between JPG, PNG, and WebP without uploading them anywhere.

Fuel Economy Convertisseur

Convertit between MPG and L/100km.

Shoe Taille Convertisseur

Convertit shoe sizes between US, UK, EU, and CM.

Bra Taille Convertisseur

Translate global bra sizing conventions.

Ring Taille Convertisseur

Standardize ring sizes across regions and diameters.

Excel / CSV to PDF Convertisseur

Turn pasted spreadsheet rows or uploaded CSV/TSV files into a polished PDF table.

Cooking Measurement Convertisseur

Convertit between cups, tablespoons, teaspoons, milliliters, and other kitchen measurements.

Digital Storage Convertisseur

Convertit between bits, bytes, kilobytes, megabytes, gigabytes, and terabytes instantly.

Shoe Taille Convertisseur

Convertit shoe sizes between US, UK, EU, and centimeter measurements for men and women.

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to decimal instantly with validation.

Roman Numeral Convertisseur

Convertit numbers to Roman numerals and Roman numerals back to decimal instantly.

Données

29 outils

JSON Validateur & Formateur

Valide syntax, catch errors, and auto-indent complex JSON payloads.

Base64 Image

Convertit en image.

Image Base64

Convertit en Base64.

URL Parser

Parse, inspect, and extract parts of URLs and query parameters.

JSON-to-Zod-to-Prisma

Convertit JSON payloads into TypeScript Interfaces, Zod schemas, and Prisma models instantly.

JSON Diff Visualizer

Compare two JSON objects and inspect structural changes path by path.

SQL Query Runner

Run practical SQL queries against an in-browser CSV-backed table.

JSON Schema Générateur

Génère draft 2020-12 JSON Schema documents from sample JSON.

.env Fichier Validateur

Audit, validate, and alphabetically sort your environment variables safely.

CSV JSON

CSV en JSON.

XML Formateur

Format, validate and prettify raw XML documents.

Formateur JSON

Formate et valide les donnees JSON.

Base64 Encodeur/Décodeur

Encode and decode strings to and from Base64 format.

Encodeur URL

Encode les URLs pour le web.

Formateur SQL

Formate le code SQL.

Nombre Base Convertisseur

Convertit numbers between binary, octal, decimal, and hex.

Unix Timestamp Convertisseur

Convertit Unix timestamps to human-readable dates and back.

JSON CSV

JSON en CSV.

YAML JSON

YAML en JSON.

Binary-Decimal-Hex Convertisseur

Convertit between binary, decimal, and hexadecimal. All 6 directions: bin→dec, bin→hex, dec→bin, dec→hex, hex→bin, hex→dec.

JWT Constructeur

Construit and encode JSON Web Tokens with custom headers and payloads.

Unicode Inspector

Paste any text and inspect each character\

Nombre to Words

Convertit any number to English words, ordinal form, and currency format. Handles up to quadrillions.

Barcode Générateur

Génère CODE128 barcodes from any text. Download as PNG instantly in your browser.

Fake Dataset Générateur

Génère realistic fake CSV datasets with names, emails, phones, dates, salaries, and more.

ISS Tracker

Track the real-time location of the International Space Station as it orbits Earth.

Starlink Tracker

View live positions of SpaceX Starlink internet satellites orbiting Earth.

Space Launch Tracker

Browse upcoming rocket launches from space agencies and private companies worldwide.

NASA Image Viewer

Search and explore thousands of NASA photos from space, Earth, and astronomy.

Développeur

43 outils

HTML Formateur

Format, beautify, and auto-indent ugly or minified HTML code.

HTML Minifier

Minify and compress your HTML code to save file size and boost load speeds.

RGB to HEX Convertisseur

Convertit color values between RGB blocks and standard Hex codes.

PX to REM Convertisseur

Translate CSS pixel constraints to accessibility-standard rem ratios.

CSS Formateur

Beautify nested and unformatted CSS code blocks securely.

CSS Box Shadow Générateur

Visually construct CSS layer shadows and generate cross-browser code.

Markdown Table Générateur

Construct MD tables visually without writing the tedious syntax manually.

Regex Explain Outil

Turn regular expressions into plain-English explanations for faster debugging.

SVG to JSX Convertisseur

Convertit raw SVG code into a React JSX component instantly.

Testeur Regex

Teste les expressions regulieres.

HTML Entity Outil

Encode and decode HTML entities for safe web content.

Minificateur CSS

Minifie le code CSS.

JS Minifier

Minify JavaScript code by removing whitespace and comments.

Glassmorphism Générateur

Design frosted glass CSS UI components with a visual editor.

Neumorphism UI Générateur

Design soft UI CSS components instantly with a visual editor.

Comparateur

Compare deux textes.

Tailwind UI Visualizer

Paste Tailwind HTML and view a sandboxed live preview instantly.

React to Vue Convertisseur

Convertit functional React components to Vue 3 Composition API.

Extension Manifest Constructeur

Visually scaffold Chrome Extension MV3 manifest.json files.

PDF Signature

Draw a signature and place it on a PDF page entirely in your browser.

PDF Merge

Combine multiple PDF files into one merged document directly in your browser.

PDF Split

Split one PDF into smaller page ranges or extracted sections locally in your browser.

PDF Compress

Estimate and prepare a smaller PDF output with compression presets directly in your browser.

OCR PDF to Text

Extract readable text from scanned PDF documents with a clean copy-ready output.

PDF to Word

Prepare an editable document export from a PDF with honest fidelity guidance for complex layouts.

Word PDF

Word en PDF.

OCR Image to Text

Extract readable text from screenshots, scans, receipts, and images with a clean copyable result.

JWT Decoder Pro

Decode JWT headers and payloads locally with readable inspection output and expiry visibility.

PDF Page Nombre Adder

Add page numbers to every PDF page with custom placement, size, labels, and page-range control.

PDF Compare

Compare two PDFs locally by hash, metadata, page dimensions, and form fields.

Fillable PDF Form Creator

Crée a browser-generated fillable PDF with text fields, dropdowns, and checkboxes.

SVG Optimiseur & Minifier

Minify SVG code, strip comments, reduce whitespace, and download the optimized file.

Chmod Calculateur

Calcule Unix file permission values by toggling read, write, and execute bits visually.

CSS Flexbox Générateur

Visually build CSS Flexbox layouts with live preview and generated code output.

Favicon Générateur

Upload any image and generate favicons in all standard sizes from 16px to 512px.

HTML to Markdown Convertisseur

Convertit HTML code into clean, readable Markdown syntax instantly.

Common Regex Patterns

Browse and copy common regex patterns for email, URL, phone, date, and more.

CSS Grid Générateur

Visually build CSS Grid layouts and generate production-ready code.

CSS Clip-Path Générateur

Génère CSS clip-path polygon values with visual presets. See a live preview and copy the CSS.

Visual Regex Testeur

Teste regular expressions with live highlighted matches. See match groups and use common regex snippets.

Texte Diff Merger

Compare two text blocks line by line. See added, removed, and unchanged lines highlighted with stats.

JSON Path Evaluator

Query and extract data from JSON using JSONPath expressions with real-time results and syntax highlighting.

Decodeur JWT

Decode les jetons JWT.

Finance

38 outils

Freelance Taux Calculateur

Calcule your true required hourly rate based on target income.

Wedding Budget Planificateur

Structure and visualize your entire wedding budget with dynamic categories.

Credit Card Payoff

Visualise exactly how long your credit card debt will take to pay off.

SIP Calculateur

Calcule future wealth using a Systematic Investment Plan.

Lumpsum Calculateur

Estimate returns on a one-time lumpsum investment over time.

ROI Calculateur

Calcule Return on Investment and annualized gains.

Income Tax Calculateur

Estimate federal income tax brackets and net take-home pay.

Net Worth Calculateur

Trace assets vs liabilities to determine your true net worth.

Retirement Calculateur

Project 401k savings and compound interest for retirement.

Auto Loan Payoff

Calcule interest saved by making extra monthly car payments.

Inflation Calculateur

Measure the historical or projected purchasing power of money.

SaaS Churn Calculateur

Calcule customer churn rate and projected user numbers.

Rent vs Buy Calculateur

Compare the long term costs of renting vs owning a home.

Cost Per Wear Calculateur

Calcule the true cost of an item based on how often you wear it.

FIRE Retirement Calculateur

Calcule your exact Financial Independence, Retire Early number.

Crypto Profit Calculateur

Trace crypto gains, trading fees, and total net ROI.

CAGR Calculateur

Trouve the Compound Annual Growth Rate of an investment.

Markup / Margin Calculateur

Compare markup vs margin and find the selling price needed for your target profit.

Compound Interest Visualizer

Project compound growth with recurring contributions, milestones, and inflation-adjusted value.

Debt-to-Income Ratio Calculateur

Calcule front-end and back-end DTI ratios for mortgages, lending, and budgeting.

Amazon Fee Calculateur

Estimate Amazon referral fees, FBA costs, ad spend, and net profit per unit.

Latency Cost Calculateur

Estimate how much page speed improvements could recover in revenue and profit.

Subscription vs One-Temps Cost Calculateur

Compare recurring subscription spend against one-time purchase costs over time.

Lead Value Calculateur

Turn traffic, conversion rates, and deal value into a real per-lead and per-visitor number.

Electricity Cost Calculateur

Calcule daily, monthly, and yearly electricity costs for any appliance by wattage.

EMI Calculateur

Calcule Equated Monthly Installment for loans. Input principal, interest rate, tenure. Output EMI amount, total interest, total payment.

Expense Ratio Impact Calculateur

Compare how different fund expense ratios eat into your long-term investment returns.

Gas Trip Cost Calculateur

Calcule the total fuel cost for a road trip based on distance, MPG, and gas price.

Invoice Générateur

Crée professional invoices with line items, tax calculations, and PDF export.

Paycheck Calculateur

Estimate your net take-home pay after federal tax, state tax, and retirement deductions.

Rent Affordability Calculateur

Calcule how much rent you can afford based on income, debts, and the 30% rule.

Startup Runway Calculateur

Calcule how many months of runway your startup has based on cash, burn, and growth.

Stock Return Calculateur

Calcule total return, percentage gain, and CAGR on any stock investment.

Crypto Price Tracker

Track Bitcoin, Ethereum and other cryptocurrency prices in real-time with 24h changes.

Crypto Tracker

Suivez les prix des cryptomonnaies en temps réel.

Discount Calculator

Calculate final price after discount by percentage or fixed dollar amount instantly.

Fuel Cost Calculator

Calculate fuel costs for trips with MPG and price per gallon or liter conversions.

Hourly to Salary

Convert hourly wage to annual, monthly, weekly, and daily salary equivalents instantly.

Divertissement

33 outils

Spin the Roue

A customizable random picker wheel for decisions and games.

Piece

Lance une piece.

Des

Lance des des.

Fake Person Générateur

Génère polished fictional personas for mockups, demos, QA, and creative work.

Fake iOS Message Générateur

Crée fake iOS conversational text bubbles for memes and social media.

Dog to Human Years

Adjusted breed and size scalings for dog aging.

Cat to Human Years

Calcule equivalent human aging for felines.

What Should I Watch? Quiz

Take a short mood quiz and get a tailored movie or series recommendation.

Couleur Personality Test

Answer quick vibe questions to reveal your color aura personality.

Birthday Flower & Birthstone Lookup

Look up the traditional birth flower, birthstone, and zodiac vibe for any birthday.

This Day in History

Browse notable historical events, births, and deaths for any calendar date.

Doge Meme Créateur

Crée authentic 2013-era doge memes with Comic Sans.

Fortune Cookie Spinner

Crack open a daily cookie to find your fortune and lucky numbers.

Affirmation Générateur

Génère daily positive affirmations to boost confidence and motivation.

Fake Identity Générateur

Génère random fictional identities with names, addresses, and job titles for testing.

Mad Libs Mot Game

Fill in nouns, verbs, and adjectives to create hilarious randomized stories.

Magic 8-Ball

Ask the Magic 8-Ball any yes-or-no question and receive a mysterious fortune.

Meme Texte Générateur

Upload an image and add Impact-style top and bottom text to create classic memes.

Aléatoire Nom Picker

Paste a list of names and randomly pick a winner with animated selection.

Nombre Guessing Game

Guess the secret number with higher/lower hints in as few tries as possible.

Reaction Temps Test

Measure your reaction speed in milliseconds with a click-when-green test.

Rock Paper Scissors

Joue classic Rock Paper Scissors against the computer with score tracking.

Truth or Dare Générateur

Get random truth questions and dare challenges for parties and game nights.

Mot Scramble Game

Unscramble jumbled letters to find the hidden word and build your streak.

Would You Rather

Answer fun "would you rather" dilemma questions with two impossible choices.

Couleur Blind Test

Teste your color vision and hue spotting ability.

Country Info Lookup

Get detailed information about any country including capital, population, currency, and languages.

Random Animal Pictures

Get random pictures of animals with facts and descriptions for each animal.

Random Fact Generator

Generate interesting and surprising random facts updated daily for learning and entertainment.

Random Joke Generator

Get random jokes from multiple categories including programming, knock-knock, and more.

Random Quote Generator

Get inspirational and motivational random quotes from famous authors and figures.

This Day in History

Discover important historical events, births, and milestones from today's date in history.

Fake Person Generator

Generate polished fictional personas with names, addresses, and job titles for mockups, demos, QA, and creative work.

Jeux

28 outils

Typing Vitesse Test

Teste your typing speed in WPM with accuracy tracking and real-time error highlighting.

Mot Guess

Joue a daily word guessing game similar to Wordle.

2048

Slide tiles and merge them to reach 2048.

Minesweeper

Clear the hidden minefield without detonating any bombs.

Sudoku

Classic number puzzle game. Fill the grid with digits 1-9.

Nonogram

Solve logic puzzles to reveal a hidden picture.

Crossword Mini

Solve a quick daily mini crossword puzzle.

Web Dev Tycoon

An idle clicker game. Build your web development empire.

Pizza Clicker

Click to bake pizzas and upgrade your pizzeria.

Aim Trainer

Improve your mouse accuracy and reaction speed.

Snake

Classic retro snake game. Eat food and grow longer.

Block Drop (Tetris)

Clear lines by strategically dropping cascading blocks.

Flappy Box

Flap your way through obstacles in this frustratingly fun game.

Breakout

Smash through retro brick layouts with a bouncing ball.

Space Invaders

Defend the Earth from waves of descending alien ships.

Tower Stacker

Stack moving blocks as high as you can.

Tic Tac Toe

Joue the classic X\

Connect 4

Drop discs to connect four in a row before your opponent.

Hangman

Guess the hidden word before the stickman is fully drawn.

Math Dash

Solve quick math problems against the clock.

Solitaire

Joue classic Klondike Solitaire right in your browser.

Checkers

Joue a classic game of checkers against a computer opponent.

Memory Card Match

Teste your memory by finding matching pairs of cards.

Simon Says

Memorize and repeat the growing sequence of colors.

Whack-A-Mole

Whack the moles as they pop out of their holes!

Reaction Time Test

Test your reaction time with click-speed game and track average reactions across multiple trials.

Trivia Quiz Game

Play trivia questions with multiple difficulty levels, score tracking, and instant feedback.

Typing Speed Test

Test typing speed and accuracy with 60-second timer, WPM calculation, and accuracy metrics.

Jeux

15 outils

FPS Sensitivity Convertisseur

Convertit your mouse sensitivity between CS2, Valorant, Apex, Fortnite, and Overwatch 2.

D&D Dice Roller

Lance any combination of polyhedral dice (d4–d100) with modifiers, advantage, and disadvantage.

Character Stat Roller

Lance D&D 5e ability scores using 4d6 drop lowest, standard array, or point buy.

Tournament Bracket Générateur

Crée single elimination brackets for 2–16 players. Click to advance winners through the rounds.

Gamer Tag Générateur

Génère unique gamer tags and usernames with styles like Dark, Epic, Funny, and Cute.

Speedrun Minuterie

Precision speedrun timer with named splits, spacebar controls, and split time tracking.

Loot Table Simulateur

Construit a loot table with weighted items and simulate hundreds of rolls to see drop rates.

NPC Nom Générateur

Génère fantasy RPG NPC names for Humans, Elves, Dwarves, Orcs, and more — with personality traits.

RPG Quest Générateur

Génère random tabletop RPG quest hooks with quest giver, objective, location, complication, and reward.

RPG Damage Calculateur

Calcule min, max, and average damage for any RPG build — includes crit multiplier, resistance, and DPS.

Tier List Créateur

Crée drag-and-drop tier lists with S through F tiers. Add items and rank anything.

Aléatoire Map Seed Générateur

Génère random seeds for Minecraft, Valheim, Terraria, Stardew Valley, and more. Save your favourites.

Battle Simulateur

Set up two fighters with stats and simulate turn-based combat. Run 100 battles to see win percentages.

Gaming Loadout Constructeur

Construit and share your gaming loadout. Set weapon, armor, gadgets, and perks for any game.

Hex Grid Générateur

Génère interactive hex grids for tabletop RPG maps. Click to fill hexes and add labels.

Santé

23 outils

Daily Water Traceur

Trace your daily hydration progress with a visual water jug.

TDEE Calculateur

Trouve your Total Daily Energy Expenditure and maintenance calories.

Calories to Steps Traceur

Calcule how many steps or miles it takes to burn off a specific food.

Body Fat Calculateur

Estimate your body fat percentage using the US Navy method.

Lean Body Mass

Determine your lean body mass accurately with the Boer formula.

Water Intake Calculateur

Calcule exactly how much water you should drink daily.

One Rep Max (1RM)

Trouve out your theoretical 1-rep max and lifting percentages.

Running Pace Calculateur

Determine your race pace and split times for any distance.

Macro Calculateur

Split your daily calories into protein, carbs, and fats.

Target Heart Taux Zones

Trouve your exact target heart rate zones for cardio training.

Period & Ovulation

Trace your menstrual cycle and estimate ovulation/fertile days.

BAC Calculateur

Calcule your Estimated Blood Alcohol Content (Widmark Formula).

Sleep Cycle Calculateur

Calcule the optimal time to go to bed or wake up refreshed.

Calculateur IMC

Calcule l'indice de masse corporelle.

Pregnancy Calculateur

Estimate due date based on LMP, conception, or IVF transfer.

Ovulation Calculateur

Estimate your fertile window and next ovulation dates.

Blood Type Compatibility

Vérifie blood type donation and transfusion compatibility across all 8 types.

Box Breathing Exercise

Follow a guided 4-4-4-4 box breathing animation to reduce stress and improve focus.

Caffeine Half-Life Calculateur

Trace how caffeine decays in your body and see if it will keep you up at bedtime.

Ideal Weight Calculateur

Calcule your ideal body weight using Devine, Robinson, and other medical formulas.

Air Quality Checker

Check real-time air quality index and pollution levels by location using live APIs.

Color Blindness Test

Ishihara-style color blindness test with immediate results and diagnosis.

Pregnancy Due Date

Calculate due date and gestational age from last menstrual period using Naegele's rule.

Image

24 outils

Generateur QR

Cree des codes QR.

Scanner de code QR

Importez une image et décodez instantanément des codes QR dans votre navigateur.

Image Metadata Visualiseur

Lit EXIF metadata and download a stripped, privacy-safe copy of your image.

Batch Image Redimensionneur

Redimensionne multiple images to a maximum width and height in one pass.

Spotify Playlist Cover Créateur

Génère colorful gradients and textured playlist covers.

Profile Picture Créateur

Crée a polished circular avatar from any photo with zoom, framing, and ring controls.

Twitch Emote Redimensionneur

Automatically resize emotes to 112px, 56px, and 28px perfectly.

Pixel Art Avatar Constructeur

Draw 8x8 pixel aesthetics and download them for profile pictures.

EXIF Remover

Inspect and remove privacy-sensitive image metadata before sharing photos publicly.

Image Sharpener

Sharpen slightly soft images with controlled strength before export.

Image Upscaler

Preview larger cleaner image dimensions before export with practical upscale factors.

Background Remover Pro

Preview cleaner subject cutouts with realistic scope notes for simple background-removal workflows.

Background Suppresseur

Supprime simple solid-color backgrounds and export a transparent PNG.

Couleur Blindness Simulateur

Prévisualise how an uploaded image may appear for protanopia, deuteranopia, tritanopia, and achromatopsia.

Face Blur & Pixelate

Draw privacy boxes over faces or sensitive areas and export a blurred or pixelated image.

Image Compresseur to KB

Compresse and resize images to specific file sizes (50KB, 100KB, 200KB). Upload, adjust quality, download instantly. Supports JPG, PNG, WebP.

Image Resize to KB

Redimensionne and compress images to exact target file sizes like 50KB, 100KB, or 200KB for uploads and web optimization.

Image Cropper

Crop and rotate images to any dimensions with a visual drag-to-select interface.

Redimensionneur

Redimensionne les images.

Image Format Exporter

Upload any image and convert it to PNG, JPEG, or WebP format instantly in your browser.

Image Watermark Outil

Add custom text watermarks to images with adjustable opacity, size, and position.

Device Screenshot Mockup

Place screenshots inside realistic phone, tablet, and laptop device frames.

Social Media Image Redimensionneur

Instantly see the correct image dimensions for Instagram, Facebook, Twitter, and more.

Compresseur Image

Compresse les images.

Maths

11 outils

Percentage Calculateur

Multi-mode percentage calculator. Find X% of Y, X as % of Y, or % change between values.

Mortgage Calculateur

Calcule monthly mortgage payments, interest, and amortization.

Bill & Tip Splitter

Split complex restaurant bills and tips evenly across your party.

Smart Tip Calculateur

Calcule the tip, split the check, and round totals intelligently for dining out.

Convertisseur Montaire

Convertit les devises.

Loan Calculateur

Estimate personal loan and auto loan repayment schedules.

Salary Calculateur

Convertit between hourly, weekly, monthly, and annual salaries.

Calculateur Age

Calcule l'age.

Aspect Ratio Calculateur

Calcule aspect ratios and resize dimensions proportionally.

Final Grade Calculateur

Calcule the minimum final exam score needed to reach your desired course grade.

GPA Calculateur

Calcule your semester and cumulative GPA from course grades and credit hours.

Musique

20 outils

Virtual Metronome

Simple, accurate BPM metronome for musicians and practice.

BPM Tap Tempo

Tap to the beat and instantly detect the BPM of any song with genre matching.

Chord Progression Générateur

Génère common chord progressions in any key for songwriting and music production.

Focus Sound Générateur

Génère ambient noise with adjustable rain, fireplace, and other soundscapes for focus.

Virtual Metronome

A precise, adjustable BPM metronome with visual beats for music practice.

Guitar Tuner

Tune your guitar with standard EADGBE tuning — play each string note in your browser.

Scale Chercheur

Trouve notes in any musical scale. Choose root note and scale type to see all scale degrees.

Circle of Fifths

Interactive circle of fifths. Click any key to see key signature, relative minor, and neighbouring keys.

Song Key Transposer

Transpose chords and lyrics to any key. Supports all common chord types including 7ths, sus, and add9.

Drum Pattern Générateur

Crée drum patterns with a 16-step sequencer. Play back kick, snare, and hi-hat patterns in your browser.

MIDI Note Lookup

Look up any MIDI note number to get the note name, octave, and frequency in Hz.

Music Interval Trainer

Train your ear by identifying musical intervals. Play two tones and guess the interval.

Songwriting Prompt Générateur

Get random songwriting prompts combining emotion, setting, character, and theme.

Practice Session Minuterie

Structured practice timer for musicians. Add timed sections and get audio alerts between them.

Beats Per Bar Calculateur

Calcule note durations, beat length, and bar duration for any BPM and time signature.

Key Compatibility Vérificateur

Vérifie how compatible two musical keys are for mashups or modulation. See shared chords and pivot points.

Audio Frequency Chart

Visual frequency range reference for common instruments from bass guitar to cymbals.

Music Theory Quiz

Teste your music theory knowledge with 10-question quizzes on intervals, chords, and scales.

Setlist Planificateur

Planifie your band setlist with song durations and energy levels. Auto-arrange for the best show flow.

Tempo Tapper

Tap to find the BPM of any song. Press the button or spacebar repeatedly to calculate tempo.

Réseau

19 outils

What is my IP?

Instantly view your public IP address, ISP, and geographic location.

Stock Market Hours Check

Vérifie if global stock exchanges (NYSE, TSE, LSE) are currently open.

Cron Job Générateur

Génère and translate crontab expressions with a visual GUI.

cURL to Fetch Convertisseur

Convertit raw cURL shell commands into JavaScript Fetch or Axios requests.

cURL Constructeur

Visually build cURL commands with headers, params, auth, and JSON bodies.

API Explorer

Send live HTTP requests with custom headers, params, and request bodies.

GraphQL Playground

Run GraphQL queries, mutations, variables, and introspection requests in one place.

WebSocket Testeur

Open WebSocket connections, send messages, and inspect live server frames.

Favicon Extracteur

Extrait favicon, apple-touch-icon, and shortcut icon URLs from any website.

Webhook Testeur

Fire signed webhook payloads at any endpoint and inspect the response.

HTTP Status Codes

Quick reference for all HTTP status codes with descriptions.

HTTP Status Code Vérificateur

Bulk-check live URLs for 200, 301, 404, 500, and other status codes.

Redirections

Suit les redirections.

IP Geolocation Lookup

Look up the location, ISP, timezone, and coordinates of any IP address. Auto-detects your own IP.

Recherche DNS

Interroge les enregistrements DNS.

Verificateur SSL

Verifie les certificats SSL.

Cron Next Run Calculateur

Enter a cron expression and see the next 10 scheduled run times with a human-readable description.

WHOIS Lookup

Look up domain registration info — registrar, creation date, expiry, nameservers, and status.

Deep Lien Générateur

Construit App Store and Play Store deep links with UTM parameters. Generates a QR code automatically.

Productivité

13 outils

Working Days Calculateur

Calcule exactly how many business days are between two dates.

Pomodoro Minuterie

Focus timer utilizing the 25/5 minute Pomodoro work protocol.

Meeting ROI Calculateur

Calcule exactly how much money a meeting just cost the company.

Bucket List Créateur

Organize your bucket list by category and track which goals you have completed.

Weighted Decision Matrix

Score and compare options against weighted criteria to make better decisions.

Eisenhower Priority Matrix

Organize tasks into urgent/important quadrants to prioritize what matters most.

Email Signature Générateur

Design a professional HTML email signature with customizable colors and social links.

Flashcard Study Outil

Create, flip, and study flashcards with a spaced-repetition scoring system.

Daily Habit Traceur

Trace daily habits on a visual calendar grid and build consistent streaks.

Meeting Cost Calculateur

Calcule the real-time dollar cost of a meeting based on attendees and salaries.

Recipe Scaler

Scale recipe ingredient quantities up or down for any number of servings.

Resume Bullet Point Constructeur

Craft impactful resume bullet points using strong action verbs and quantified results.

Wedding Speech Générateur

Génère structured wedding speech outlines for best man, maid of honor, and parents.

SEO

38 outils

Sitemap Extracteur

Fetch and list URLs from a live sitemap.xml file or sitemap index.

robots.txt Validateur

Fetch or paste a robots.txt file and validate the core crawler directives.

Meta Tag Générateur

Génère perfect SEO meta tags for your web pages.

Open Graph Aperçu

Prévisualise how your page looks when shared on social media.

Robots.txt Générateur

Génère a robots.txt file to control search engine crawling.

Sitemap Générateur

Génère XML sitemaps for better search engine indexing.

SEO Titre Case Convertisseur

Automatically format titles with Chicago/APA style capitalization rules.

Keyword Density Vérificateur

Analyse keyword frequency and density in your content.

Search Keyword Combiner

Quickly cross-match permutations of keyword lists for Ad campaigns.

Domain Bulk Vérificateur

Génère bulk TLD permutations and bulk search available domains.

Cold Email Subject Scorer

Analyse your cold email subject line for spam triggers and length.

SERP Simulateur

Prévisualise Google search snippets in desktop and mobile layouts before publishing.

MIME Type Lookup

Look up MIME types by file extension or content type.

Meta Tag Length Vérificateur

Visually simulate your Google search snippet truncation limits.

Meta Description Générateur

Génère click-worthy meta descriptions with clean SERP-safe lengths.

Open Graph Card Générateur

Design social share cards and export ready-to-paste OG and Twitter tags.

Canonical URL Vérificateur

Inspect live canonical tags, final URLs, and metadata alignment in one pass.

Canonical Tag Generator

Generate clean rel=canonical tags for preferred URLs and duplicate-page control.

Hreflang Tag Generator

Generate alternate-language hreflang tags for international SEO and locale mapping.

Meta Robots Generator

Build robots and googlebot meta tags for indexing, snippet, and crawl-control directives.

Redirect Rule Generator

Generate Apache, Nginx, or CSV redirect rules for migrations, slug changes, and cleanup.

Schema Markup Validator

Validate JSON-LD schema markup syntax and catch common field issues before publishing.

Sitemap Validateur

Valide sitemap.xml files, detect duplicates, and surface structural issues fast.

Internal Lien Analyseur

Crawl a page’s anchor tags to review internal links, external links, and nofollow usage.

UTM Lien Inspector

Parse campaign URLs and catch missing or messy UTM parameters before launch.

Domain Age Vérificateur

Look up RDAP registration data to estimate domain age, registrar, and expiry dates.

Google Ads Générateur

Génère proven high-CTR headlines and descriptions for Google Ads.

Placeholder Image

Génère placeholder images of any size, color, and format.

FAQ Schema Markup Générateur

Construit valid JSON-LD structure data for Search Engine Rich Snippets.

Google SERP Previewer

Visually preview and test Desktop Google Search Results lengths.

Keyword Clustering Tool

Group related keywords into practical topic clusters for SEO planning and content mapping.

Keyword Intent Classifier

Label keywords by likely informational, commercial, transactional, or navigational intent.

Content Brief Generator

Generate lightweight content briefs with title ideas, outlines, and FAQ prompts from a target keyword.

TF-IDF Content Analyzer

Analyze content against a target term with a practical V1 term-frequency signal.

Broken Link Checker

Classify URLs by likely healthy, redirecting, or broken status for quick SEO triage.

Hreflang Validator

Validate hreflang code syntax for international SEO workflows and multilingual pages.

Redirect Map Generator

Normalize old and new URL paths for migrations, redirect planning, and content restructures.

Sécurité

16 outils

Mot de passe Strength Check

Analyse password security with entropy and complexity scoring.

Mnemonic Générateur

Génère secure BIP39-compatible mnemonic recovery phrases.

RSA Key Générateur

Génère secure public and private RSA key pairs locally.

MAC Address Générateur

Génère random Media Access Control (MAC) addresses instantly.

Texte Obfuscator

Obfuscate text using various encoding and transformation methods.

Generateur MDP

Genere des mots de passe securises.

Generateur Hash

Genere des hashes MD5, SHA, etc.

Generateur UUID

Genere des identifiants uniques.

HMAC Générateur

Génère HMAC signatures using various hash algorithms.

Aléatoire Nombre Générateur

Génère random numbers, dice rolls, and coin flips.

Aléatoire String Générateur

Génère cryptographically secure random strings for API keys, tokens, and test data.

Chiffrement

Chiffre et dechiffre le texte.

Generateur Bcrypt

Genere des hashes bcrypt.

TOTP Code Générateur

Génère time-based one-time passwords for 2FA testing.

Steganography Outil

Hide secret messages inside PNG images using LSB steganography, or decode hidden messages from images.

Fichier Hash Vérificateur

Compute MD5, SHA-1, SHA-256, and SHA-512 hashes for any file. Compare against a known hash to verify integrity.

Texte

30 outils

Temps

12 outils

Rédaction

17 outils