Humanize AI rewrites AI-generated writing to improve clarity, flow, tone, and readability while aiming to retain its core meaning. It accepts text from tools including ChatGPT, Gemini, Copilot, and Claude. The service runs in a web browser on desktop or mobile, depending on browser compatibility, and API access is listed. Its free plan costs 0.00 USD per free, allows 1,500 humanizer words per month with up to 300 words per process, and requires no credit card. Paid plans start at 14.00 USD per month. Paid access includes the AI humanizer, AI Writer, AI Detector, Plagiarism Checker, Grammar Checker, and AI Paraphraser. Humanize AI currently supports English-language text only. Its ethics policy bars using the service to evade explicit AI disclosure requirements, plagiarize, fabricate sources, or misrepresent authorship. Content is not automatically published or sent; human review and approval are required before publication. The privacy policy says usage information may be collected to operate and improve the service, and that absolute security cannot be guaranteed.

Who it is for

Humanize AI may suit people who want to revise AI-generated English text and review it before publication. Its free plan has a monthly word allowance and a per-process limit; paid plans add writing, detection, and checking tools.

What is good

Free plan includes 1,500 humanizer words monthly.
No credit card is required for the free plan.
Paid plans include an AI detector and plagiarism checker.
API access is listed.
Human review is required before publication.

What to know first

Supports English-language text only.
Free plan allows up to 300 words per process.
Privacy policy says usage information may be collected.

Verdict

Humanize AI offers text rewriting alongside a set of paid writing and checking tools. Its English-only support and free-plan word limits are important constraints to weigh.

Humanize AI plans and pricing

All plans

Free Free per month 1,500 words/month · 300 words/check · Ultra Mode included · no credit card required humanizeai.com · 29 Sept 2026

Essential $14/mo per month 30,000 HumanizeAI words/month · API access · 100,000 AI Writer words/month · 150,000 AI Detector words/month · 25,000 Plagiarism Check words/month humanizeai.com · 29 Sept 2026

Standard $24/mo per month 75,000 HumanizeAI words/month · API access · 200,000 AI Writer words/month · 300,000 AI Detector words/month · 50,000 Plagiarism Check words/month humanizeai.com · 29 Sept 2026

Pro $59/mo per month 225,000 HumanizeAI words/month · API access · 600,000 AI Writer words/month · 900,000 AI Detector words/month · 100,000 Plagiarism Check words/month humanizeai.com · 29 Sept 2026

Compared on AI text humanizers

Free plan: Yes
Paid from: $14/mo
Monthly word limit: 30,000 words/mo
Supported languages: 1 languages
Humanization modes: advanced
AI detector included: Yes
Plagiarism checker: Yes
API access: Yes

Best Humanize AI alternatives

See all 20

Two bars StealthWriter Free tier No. 1$20/mo6.6 Two bars WriteHuman Free tier No. 2$1/mo6.6 One bar HumanizeAI.io Free tier No. 4$4/mo6.4 One bar Ryne AI Free tier No. 5Free6.4 One bar Rephrasy Paid plans No. 6$8.25/mo5.6 No signal Humbot Paid plans No. 7$0.67/mo5.5

The record

Purpose

HumanizeAI rewrites AI-generated writing to improve clarity, flow, tone, and readability while aiming to preserve core meaning.

Input sources

The site says it works with text generated by ChatGPT, Gemini, Copilot, Claude, and other AI writing tools.

Included tools

Paid plans include access to the AI humanizer, AI Writer, AI Detector, Plagiarism Checker, Grammar Checker, and AI Paraphraser.

Free usage

The free plan provides 1,500 humanizer words per month, up to 300 words per process, and no credit card is required.

Language limit

The homepage FAQ says HumanizeAI currently supports English-language text only.

Mobile access

HumanizeAI works through a web browser and can be accessed on desktop or mobile devices, depending on browser compatibility.

The privacy policy says usage information, including words processed, features accessed, subscription tier, and interaction history, may be collected to operate and improve the service.

Data handling

The privacy policy names Google Analytics, Intercom, Stripe and/or Lemon Squeezy, Supabase, and Vercel as third-party services; it says payment card data is not stored by the company.

Security

The privacy policy says the company uses reasonable administrative, technical, and physical safeguards, while noting it cannot guarantee absolute security.

Refunds

The homepage FAQ says customers may request a full refund within three days of purchase by contacting customer support.

Support

The contact page lists [email protected] for support and gives support hours as Monday through Friday, 9:00 AM–5:00 PM PST.

Responsible use

The ethics policy prohibits using the service to circumvent explicit AI disclosure requirements, commit plagiarism, fabricate sources, or misrepresent authorship.

Human review

The ethics policy says content is not automatically published or sent and requires human review and approval before publication.

Product roadmap

The About page marks the AI Article Agent and content optimization tools as available now, while content research is coming soon and AI visibility reporting is in testing.

Price from

$14/mo