AI Text Humanizer
Paste AI-generated text and instantly rewrite it to sound natural and human. Removes robotic phrases, adds contractions, varies sentence rhythm — all in your browser.
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Words
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Changes Made
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Humanness Score (after)
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AI Phrases Removed
Result
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100% Private
Your text never leaves your device. All processing happens locally in your browser — no API calls, no servers.
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Phrase Database
Identifies 50+ common AI tells — "delve into", "utilize", "pivotal", "seamless" — and replaces them naturally.
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Natural Rhythm
Breaks up long compound sentences, varies structure, and adds contractions so text flows like real human writing.
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Humanness Score
See a before/after score (0–100) based on AI phrase density, sentence variety, and contraction usage.
Frequently Asked Questions
How does the humanizer work?
It uses a rule-based engine that runs entirely in your browser. It replaces known AI phrases with natural alternatives, adds contractions, breaks up unnaturally long compound sentences, removes excessive hedging, and humanizes robotic transition words — all without any external API.
Does this make text undetectable by AI detectors?
It significantly reduces signals that AI detectors look for, such as certain vocabulary patterns and sentence uniformity. However, no tool can guarantee 100% bypass of every detector. For best results, review the output and make a few personal edits yourself.
What's the difference between Light, Medium, and Aggressive intensity?
Light replaces only the most obvious AI phrases and adds basic contractions. Medium also varies sentence length and removes common hedging. Aggressive rewrites transitions, shortens formal phrasing, and applies all transforms — ideal for text that sounds very robotic.
Is my text sent to any server?
No. This tool has zero server-side processing. The entire humanizer engine runs as JavaScript in your browser. Nothing you type is ever transmitted.
Why is there a 5,000 character limit?
The free tier processes up to 5,000 characters. Longer texts will still be processed — there's no hard block. A PRO tier with unlimited length and additional transforms is coming soon.
What languages does it support?
Currently English only. The phrase database and contraction rules are built for English. Support for other languages may come in a future version.