verified Smart Extension

Free Essay Extender — Add More Words to Any Essay

Extend any essay to hit your word count requirement. Our AI adds relevant content, supporting arguments, and analysis that matches your original style. Free, instant.

bolt Free — no account
group 350,000+ users
language 50+ languages
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4.8 / 5 ★★★★★
from 12,847 users

Humanized text appears here.

Free·No account needed·Results in under 30 seconds
99.8%
Bypass pass rate
120M+
Words processed
350k+
Writers worldwide
50+
Languages
How It Works

Three steps to undetectable

01
edit_note

Paste your text

Drop any AI-generated essay, report, or article into the input panel — any length, any topic.

02
tune

Select your mode

Choose from Academic, Creative, Business, or Stealth mode. Each optimizes for different detector profiles.

03
download

Download clean copy

Get humanized text that reads naturally and passes all major AI detectors in under 30 seconds.

Why Writers Choose Us

Built for real academic scenarios

verified_user

Turnit*n & GPTZero Tested Weekly

We run live tests every Monday morning across 4 major detectors. Our 99.8% pass rate isn't a marketing claim — it's a weekly audit. When detectors update, we update with them.

bolt

Instant Results

No waiting. Streaming output so you see it being humanized in real time.

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Meaning Preserved

Your thesis, citations, and arguments are never touched. Only AI fingerprints are removed.

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50+ Languages, Academic to Creative

Works on essays, research papers, blog posts, business emails, and more. English, Spanish, French, German, Mandarin, Arabic, and 44 more.

Ready to sound human?

No account. No credit card. Start humanizing in 10 seconds. If it doesn't beat every detector, don't pay.

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FAQ

Frequently Asked

Our extender identifies the weakest-supported arguments in your essay and adds depth: additional evidence, counter-arguments, analysis, and elaboration. It matches your existing writing style so the additions blend seamlessly.

Added content passes through the same humanization process as our core tool. AI-generated extensions are re-voiced to match human writing patterns before being inserted, achieving the same sub-5% AI score as our standalone humanizer.

Scholar and Scholar Pro users can extend essays without length limits. Free users can extend by up to 300 additional words per session. There is no limit on the number of sessions.

Yes. The extender analyzes the topic, discipline, and argument structure of your essay before generating extensions. It understands the difference between a biology lab report and a philosophy essay and adds discipline-appropriate content.