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Sentence Length Analyzer
WritingAnalyze sentence rhythm, pacing, and readability by sentence length.
ttb run sentence-length-analyzer
11.5
Avg words
4
Shortest
25
Longest
21
Range
Rhythm verdict
Balanced rhythm
Short: 2 • Medium: 1 • Long: 1. A healthy mix usually keeps copy easier to scan and more human to read.
Sentence map
Sentence 14 words
Sentence 213 words
Sentence 325 words
Sentence 44 words
Editing tips
Use short sentences for emphasis, transitions, and punchy hooks.
Medium sentences carry most of your explanation and usually feel most natural.
Break up long sentences when they stack too many ideas, clauses, or commas.
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Sentence Length Analyzer の使い方
Paste any block of writing to see how long each sentence is, plus averages, shortest and longest lines, and a quick rhythm verdict. This helps you spot dense copy, repetitive pacing, and places where you should break up heavy sentences.
1
Paste your writing
Add an article, landing page section, email draft, or script into the analyzer.
2
Inspect the sentence map
Check the bar chart to see which sentences are short, medium, or long.
3
Edit for rhythm
Tighten clusters of long sentences or vary the pacing to improve readability.
よくある質問
What is a good average sentence length?+
For general web writing, around 12 to 20 words per sentence usually stays readable. Technical writing may run longer.
Should every sentence be short?+
No. The goal is variety. Short sentences add punch, medium ones explain ideas, and occasional longer ones add nuance.