Todas as Ferramentas

Explore nossa coleção completa de 488 ferramentas online gratuitas.

Cor

11 ferramentas

Conversor de Cor

Converte formatos de cor.

Palette Gerador

Gera beautiful, harmonious color palettes from a seed color.

Degrade

Cria degradados CSS.

Contraste

Verifica contraste.

Tailwind Cor Buscador

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

Box Shadow Gerador

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

Imagem Cor Palette Extrator

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

Imagem Cor Picker

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

Cor Shade Gerador

Gera 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.

Cor Temperature Conversor

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

Conteúdo

21 ferramentas

HTML Link-in-Bio Construtor

Gera a blazing fast static HTML alternative to Linktree.

Podcast Show Notes Construtor

Gera rich markdown show notes with timestamps and resource links.

Email Preheader Gerador

Gera stronger inbox preview text that complements your subject line.

Startup Nome Availability Verificador

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

UTM Tracking Construtor

Standardize your marketing attribution links.

Link-in-Bio Gerador

Cria a simple static HTML profile page.

Hashtag Group Gerador

Curated hashtag clusters to boost organic reach.

Texto to Hashtags

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

Thread to Tweet Conversor

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

Bio Gerador for Social

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

Email Subject Line Testador

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

Rap Nome Gerador

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

Bio Link Page Construtor

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

Blog Título Gerador

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

Business Nome Gerador

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

Engagement Taxa Calculadora

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

Hashtag Gerador

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

Headline Analisador

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

Slogan Gerador

Gera catchy marketing slogans and taglines from your brand keywords.

UTM Link Construtor

Constrói 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.

Conversor

22 ferramentas

Comprimento

Converte comprimentos.

Peso

Converte pesos.

Temperatura

Converte temperaturas.

Volume Conversor

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

Area Conversor

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

Velocidade Conversor

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

Digital Storage Conversor

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

Tempo Conversor

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

Conversor de Unidades

Converte unidades.

Byte Conversor

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

HEIC to JPG / PNG Conversor

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

Imagem Format Conversor

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

Fuel Economy Conversor

Converte between MPG and L/100km.

Shoe Tamanho Conversor

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

Bra Tamanho Conversor

Translate global bra sizing conventions.

Ring Tamanho Conversor

Standardize ring sizes across regions and diameters.

Excel / CSV to PDF Conversor

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

Cooking Measurement Conversor

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

Digital Storage Conversor

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

Shoe Tamanho Conversor

Converte 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 Conversor

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

Dados

29 ferramentas

JSON Validador & Formatador

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

Base64 para Imagem

Converte para imagem.

Imagem para Base64

Converte para Base64.

URL Parser

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

JSON-to-Zod-to-Prisma

Converte 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 Gerador

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

.env Arquivo Validador

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

CSV para JSON

CSV para JSON.

XML Formatador

Format, validate and prettify raw XML documents.

Formatador JSON

Formata e valida dados JSON.

Base64 Codificador/Decodificador

Codifica and decode strings to and from Base64 format.

Codificador URL

Codifica URLs para a web.

Formatador SQL

Formata codigo SQL.

Número Base Conversor

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

Unix Timestamp Conversor

Converte Unix timestamps to human-readable dates and back.

JSON para CSV

JSON para CSV.

YAML para JSON

YAML para JSON.

Binary-Decimal-Hex Conversor

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

JWT Construtor

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

Unicode Inspector

Paste any text and inspect each character\

Número to Words

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

Barcode Gerador

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

Fake Dataset Gerador

Gera 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.

Desenvolvedor

43 ferramentas

HTML Formatador

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 Conversor

Converte color values between RGB blocks and standard Hex codes.

PX to REM Conversor

Translate CSS pixel constraints to accessibility-standard rem ratios.

CSS Formatador

Beautify nested and unformatted CSS code blocks securely.

CSS Box Shadow Gerador

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

Markdown Table Gerador

Construct MD tables visually without writing the tedious syntax manually.

Regex Explain Ferramenta

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

SVG to JSX Conversor

Converte raw SVG code into a React JSX component instantly.

Testador de Regex

Testa expressoes regulares.

HTML Entity Ferramenta

Codifica and decode HTML entities for safe web content.

Minificador CSS

Minifica codigo CSS.

JS Minifier

Minify JavaScript code by removing whitespace and comments.

Glassmorphism Gerador

Design frosted glass CSS UI components with a visual editor.

Neumorphism UI Gerador

Design soft UI CSS components instantly with a visual editor.

Comparador

Compara dois textos.

Tailwind UI Visualizer

Paste Tailwind HTML and view a sandboxed live preview instantly.

React to Vue Conversor

Converte functional React components to Vue 3 Composition API.

Extension Manifest Construtor

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 para PDF

Word para 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 Número 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

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

SVG Otimizador & Minifier

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

Chmod Calculadora

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

CSS Flexbox Gerador

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

Favicon Gerador

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

HTML to Markdown Conversor

Converte 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 Gerador

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

CSS Clip-Path Gerador

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

Visual Regex Testador

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

Texto 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.

Decodificador JWT

Decodifica tokens JWT.

Finanças

38 ferramentas

Freelance Taxa Calculadora

Calcula your true required hourly rate based on target income.

Wedding Budget Planejador

Structure and visualize your entire wedding budget with dynamic categories.

Credit Card Payoff

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

SIP Calculadora

Calcula future wealth using a Systematic Investment Plan.

Lumpsum Calculadora

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

ROI Calculadora

Calcula Return on Investment and annualized gains.

Income Tax Calculadora

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

Net Worth Calculadora

Rastreia assets vs liabilities to determine your true net worth.

Retirement Calculadora

Project 401k savings and compound interest for retirement.

Auto Loan Payoff

Calcula interest saved by making extra monthly car payments.

Inflation Calculadora

Measure the historical or projected purchasing power of money.

SaaS Churn Calculadora

Calcula customer churn rate and projected user numbers.

Rent vs Buy Calculadora

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

Cost Per Wear Calculadora

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

FIRE Retirement Calculadora

Calcula your exact Financial Independence, Retire Early number.

Crypto Profit Calculadora

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

CAGR Calculadora

Encontra the Compound Annual Growth Rate of an investment.

Markup / Margin Calculadora

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 Calculadora

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

Amazon Fee Calculadora

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

Latency Cost Calculadora

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

Subscription vs One-Tempo Cost Calculadora

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

Lead Value Calculadora

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

Electricity Cost Calculadora

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

EMI Calculadora

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

Expense Ratio Impact Calculadora

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

Gas Trip Cost Calculadora

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

Invoice Gerador

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

Paycheck Calculadora

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

Rent Affordability Calculadora

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

Startup Runway Calculadora

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

Stock Return Calculadora

Calcula 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

Acompanhe preços de criptomoedas em tempo real.

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.

Diversão

33 ferramentas

Spin the Roda

A customizable random picker wheel for decisions and games.

Moeda

Joga moeda.

Dados

Joga dados.

Fake Person Gerador

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

Fake iOS Message Gerador

Cria 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

Calcula equivalent human aging for felines.

What Should I Watch? Quiz

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

Cor 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 Criador

Cria authentic 2013-era doge memes with Comic Sans.

Fortune Cookie Spinner

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

Affirmation Gerador

Gera daily positive affirmations to boost confidence and motivation.

Fake Identity Gerador

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

Mad Libs Palavra 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 Texto Gerador

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

Aleatório Nome Picker

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

Número Guessing Game

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

Reaction Tempo Test

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

Rock Paper Scissors

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

Truth or Dare Gerador

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

Palavra 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.

Cor Blind Test

Testa 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.

Jogos

28 ferramentas

Typing Velocidade Test

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

Palavra Guess

Joga 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

Joga 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

Joga classic Klondike Solitaire right in your browser.

Checkers

Joga a classic game of checkers against a computer opponent.

Memory Card Match

Testa 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.

Jogos

15 ferramentas

FPS Sensitivity Conversor

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

D&D Dice Roller

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

Character Stat Roller

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

Tournament Bracket Gerador

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

Gamer Tag Gerador

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

Speedrun Cronômetro

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

Loot Table Simulador

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

NPC Nome Gerador

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

RPG Quest Gerador

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

RPG Damage Calculadora

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

Tier List Criador

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

Aleatório Map Seed Gerador

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

Battle Simulador

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

Gaming Loadout Construtor

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

Hex Grid Gerador

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

Saúde

23 ferramentas

Daily Water Rastreador

Rastreia your daily hydration progress with a visual water jug.

TDEE Calculadora

Encontra your Total Daily Energy Expenditure and maintenance calories.

Calories to Steps Rastreador

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

Body Fat Calculadora

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 Calculadora

Calcula exactly how much water you should drink daily.

One Rep Max (1RM)

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

Running Pace Calculadora

Determine your race pace and split times for any distance.

Macro Calculadora

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

Target Heart Taxa Zones

Encontra your exact target heart rate zones for cardio training.

Period & Ovulation

Rastreia your menstrual cycle and estimate ovulation/fertile days.

BAC Calculadora

Calcula your Estimated Blood Alcohol Content (Widmark Formula).

Sleep Cycle Calculadora

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

Calculadora IMC

Calcula indice de massa corporal.

Pregnancy Calculadora

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

Ovulation Calculadora

Estimate your fertile window and next ovulation dates.

Blood Type Compatibility

Verifica 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 Calculadora

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

Ideal Weight Calculadora

Calcula 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.

Imagem

24 ferramentas

Gerador de QR

Cria codigos QR.

Scanner de QR Code

Envie uma imagem e decodifique QR codes instantaneamente no navegador.

Imagem Metadata Visualizador

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

Batch Imagem Redimensionador

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

Spotify Playlist Cover Criador

Gera colorful gradients and textured playlist covers.

Profile Picture Criador

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

Twitch Emote Redimensionador

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

Pixel Art Avatar Construtor

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 Removedor

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

Cor Blindness Simulador

Pré-visualiza 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.

Imagem Compressor to KB

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

Imagem Resize to KB

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

Imagem Cropper

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

Redimensionador

Altera tamanho de imagens.

Imagem Format Exporter

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

Imagem Watermark Ferramenta

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 Imagem Redimensionador

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

Compressor de Imagens

Comprime imagens.

Matemática

11 ferramentas

Percentage Calculadora

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

Mortgage Calculadora

Calcula monthly mortgage payments, interest, and amortization.

Bill & Tip Splitter

Split complex restaurant bills and tips evenly across your party.

Smart Tip Calculadora

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

Conversor de Moedas

Converte moedas.

Loan Calculadora

Estimate personal loan and auto loan repayment schedules.

Salary Calculadora

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

Calculadora de Idade

Calcula a idade.

Aspect Ratio Calculadora

Calcula aspect ratios and resize dimensions proportionally.

Final Grade Calculadora

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

GPA Calculadora

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

Música

20 ferramentas

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 Gerador

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

Focus Sound Gerador

Gera 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 Buscador

Encontra 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 Gerador

Cria 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 Gerador

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

Practice Session Cronômetro

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

Beats Per Bar Calculadora

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

Key Compatibility Verificador

Verifica 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

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

Setlist Planejador

Planeja 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.

Rede

19 ferramentas

What is my IP?

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

Stock Market Hours Check

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

Cron Job Gerador

Gera and translate crontab expressions with a visual GUI.

cURL to Fetch Conversor

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

cURL Construtor

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 Testador

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

Favicon Extrator

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

Webhook Testador

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 Código Verificador

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

Redirecionamentos

Rastreia redirecionamentos.

IP Geolocation Lookup

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

Busca DNS

Consulta registros DNS.

Verificador SSL

Verifica certificados SSL.

Cron Next Run Calculadora

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 Link Gerador

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

Produtividade

13 ferramentas

Working Days Calculadora

Calcula exactly how many business days are between two dates.

Pomodoro Cronômetro

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

Meeting ROI Calculadora

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

Bucket List Criador

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 Gerador

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

Flashcard Study Ferramenta

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

Daily Habit Rastreador

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

Meeting Cost Calculadora

Calcula 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 Construtor

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

Wedding Speech Gerador

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

SEO

38 ferramentas

Sitemap Extrator

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

robots.txt Validador

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

Meta Tag Gerador

Gera perfect SEO meta tags for your web pages.

Open Graph Pré-visualização

Pré-visualiza how your page looks when shared on social media.

Robots.txt Gerador

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

Sitemap Gerador

Gera XML sitemaps for better search engine indexing.

SEO Título Case Conversor

Automatically format titles with Chicago/APA style capitalization rules.

Keyword Density Verificador

Analisa keyword frequency and density in your content.

Search Keyword Combiner

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

Domain Bulk Verificador

Gera bulk TLD permutations and bulk search available domains.

Cold Email Subject Scorer

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

SERP Simulador

Pré-visualiza 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 Verificador

Visually simulate your Google search snippet truncation limits.

Meta Description Gerador

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

Open Graph Card Gerador

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

Canonical URL Verificador

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 Validador

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

Internal Link Analisador

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

UTM Link Inspector

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

Domain Age Verificador

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

Google Ads Gerador

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

Placeholder Imagem

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

FAQ Schema Markup Gerador

Constrói 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.

Segurança

16 ferramentas

Senha Strength Check

Analisa password security with entropy and complexity scoring.

Mnemonic Gerador

Gera secure BIP39-compatible mnemonic recovery phrases.

RSA Key Gerador

Gera secure public and private RSA key pairs locally.

MAC Address Gerador

Gera random Media Access Control (MAC) addresses instantly.

Texto Obfuscator

Obfuscate text using various encoding and transformation methods.

Gerador de Senhas

Gera senhas seguras.

Gerador de Hash

Gera hashes MD5, SHA, etc.

Gerador UUID

Gera identificadores unicos.

HMAC Gerador

Gera HMAC signatures using various hash algorithms.

Aleatório Número Gerador

Gera random numbers, dice rolls, and coin flips.

Aleatório String Gerador

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

Cifra

Cifra e decifra texto.

Gerador Bcrypt

Gera hashes bcrypt.

TOTP Código Gerador

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

Steganography Ferramenta

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

Arquivo Hash Verificador

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

Texto

30 ferramentas

Tempo

12 ferramentas

Escrita

17 ferramentas