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Sentence Length Analyzer

Analyze sentence length, sentence-length distribution, and pacing online with instant live insights for readability, writing, and editing workflows.

Analyze sentence length and writing pace instantly

Paste or type text to analyze average sentence length, shortest and longest sentences, and the balance between short, medium, and long lines.

Live sentence analysisPacing and readabilityMobile friendly

Text to analyze

Paste article intros, landing page copy, support content, or emails and inspect how sentence lengths are distributed.

Sentence-length overview

Review the mix of short, medium, and long sentences instead of relying only on an average.

Sentences
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Avg words per sentence
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Shortest sentence
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Longest sentence
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Short sentences
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Medium sentences
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Long sentences
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Total words
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Pacing profile

No text yet

Paste text to inspect whether sentence lengths feel balanced or whether long lines are starting to dominate the draft.

Longest sentence samples

Add text to preview the longest lines in the draft.

What this sentence length analyzer does

This Sentence Length Analyzer helps you understand how sentence size shapes the pace of a draft. Instead of showing only a sentence count, it reveals whether the text relies mostly on short, medium, or long lines and highlights the heaviest examples.

That makes it useful for landing pages, help articles, emails, product descriptions, and editorial drafts where readability and scan speed matter.

If you want a simpler count-focused view next, continue with Sentence Counter. If the longest lines need revision, clean them up with Sentence Rewriter.

How it works

  1. Paste or type text into the editor.
  2. The tool detects sentence boundaries and counts the words in each sentence.
  3. It groups the results into short, medium, and long sentence bands.
  4. It calculates average, shortest, and longest sentence length in words.
  5. Use the results and sample lines to decide whether the draft needs shorter, clearer sentence structure.

Sentence length analyzer examples

Review article pacing

Check whether blog intros, help docs, and landing page sections rely too heavily on long sentences that slow readers down.

Improve mobile readability

Measure sentence-length distribution before publishing copy that must stay easy to scan on smaller screens and fast-reading contexts.

Find the heaviest lines first

Use the longest-sentence samples to identify exactly which lines should be split, tightened, or rewritten before final editing.

Editing notes

Long sentences are not always wrong, but too many of them can slow down reading, especially on mobile and in instructional content.
A draft made only of very short sentences can feel abrupt. A mix of short and medium lines often creates smoother rhythm.
Need broader length context after checking sentence pacing? Open Text Length Analyzer for reading time and draft-level density.
Use the longest sentence samples first. Those lines usually give you the fastest readability gains when you split or tighten them.

Frequently asked questions

What does this Sentence Length Analyzer measure?

It measures total sentences, average sentence length, the shortest and longest sentences, sentence-length distribution, and a few of the longest sentence samples from your text.

How is it different from Sentence Counter?

Sentence Counter focuses on how many sentences you have. Sentence Length Analyzer focuses on how those sentences are distributed by length so you can judge pacing and density more directly.

What counts as a short, medium, or long sentence?

This tool groups sentences by word count: short sentences are under 12 words, medium sentences are 12 to 24 words, and long sentences are over 24 words. These are practical editing ranges, not strict rules.

Who should use this tool?

It is useful for writers, editors, marketers, students, content teams, and anyone trying to make text easier to scan and understand.

Related text tools

Explore This Tool in Context

Sentence Length Analyzer is part of the Basic Text collection. If you want a broader view of similar workflows, open the Basic Text category page or browse all QuickTools categories.

Common next steps after this tool include Word & Character Counter, Character Counter and Sentence Counter.

More in Basic Text

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