How Human Does Your Writing Sound?
Check your writing's humanization score. Analyze sentence variety, tone, contractions, and more to see how natural your text reads.
Check Humanization in 3 Steps
Find out how human your writing sounds instantly
Paste Your Text
Copy any text you want to evaluate - AI-generated content, essays, emails, or any written content.
Analyze Humanness
The tool evaluates sentence variety, tone, contractions, personal pronouns, and informal markers in your text.
Get Your Score
Receive a humanization score from 0-100% with a breakdown by category showing what makes text sound human.
Why Use SupWriter's Humanization Score?
Understand what makes writing sound human and get actionable insights
Sentence Variety Analysis
Measures the variance in sentence lengths. Human writing naturally varies between short punchy sentences and longer complex ones.
Personal Voice Detection
Detects first-person pronouns (I, me, my, we) that indicate personal voice and authentic human expression.
Contraction Usage
Checks for natural contractions like don't, can't, and it's. Human writers use contractions frequently; AI often avoids them.
Informal Language Markers
Detects casual expressions, colloquialisms, and informal phrases that signal authentic human writing style.
Question Frequency
Measures how often questions appear in your text. Human writing tends to include more rhetorical and direct questions.
Instant Scoring
All analysis runs locally in your browser. No server requests, no sign-up, and completely free to use.
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