Free trial
Starting free requires no credit card and grants 2 credits, enough for around 200 words, which is one pass through a short piece of text.
Learn moreHumanize AI
Rewrite robotic AI drafts into text that reads like a person wrote it
Beginner
What is Humanize AI?
Humanize AI is an AI detection remover tool that rewrites robotic AI drafts into text that reads like a person wrote it. A text humanization suite with a four level rewriter, a free AI detector and a hidden character finder, covering 90+ languages and accepting PDF, DOCX and TXT uploads.
Humanize AI (humanize.fast) is a text rewriting service built around a single goal: taking drafts produced by ChatGPT, Claude or any other model and restructuring them so they read like ordinary human writing. The site bundles three tools. The humanizer is the centrepiece and offers four intensity levels (Quick, Deep, Technical and Complete), each changing a different amount of the original phrasing. Alongside it sits a free AI detector that reports confidence scores plus perplexity and burstiness analysis, and a symbols finder that surfaces hidden Unicode characters, zero width spaces and homoglyphs that can flag or break text. The workflow is deliberately narrow. Text is pasted in or pulled from an uploaded PDF, DOCX, DOC or TXT file (plain text files are capped at 10MB), the rewrite level is selected, and output returns within seconds. The site claims support for more than 90 languages with automatic input language detection, and says meaning is preserved rather than simply reworded, with warnings if a rewrite drifts from the source. Every rewrite is scored by Pallas, the company's own detection model trained across 33 languages, before the user copies it out. The site notes that its rewrites target GPTZero, Originality.ai and Turnitin, and states that detector behaviour shifts constantly, which is why results are tracked version by version on its methodology page. The audience is broad rather than specialist: students, bloggers, SEO and content marketers, copywriters, agencies and business professionals polishing reports and proposals. The common thread is people who like using AI to draft but dislike how the result sounds or how it scores. A Chrome extension adds a detector that can check text on any page in 39 languages, which is useful for quick spot checks outside the editor. Relative to general paraphrasing tools, the appeal here is the closed loop of rewrite then verify in one place. The trade-off is that quality is measured against detectors rather than readers, and the site is upfront that it is aimed at content work rather than academic submission. Content is processed in real time and discarded, and the site says nothing is retained for training.
How do you use Humanize AI?
1Create a free account
Sign up with the registration page to unlock the starter allowance of 2 credits, which covers about 200 words. No credit card is requested at this stage.
2Paste text or upload a document
Drop in the AI draft from ChatGPT, Claude or another model, or upload a PDF, DOCX, DOC or TXT file and let the service pull the text out automatically.3Pick a rewrite level
Choose Quick for light edits that keep your style, Deep for more varied sentence structure, Technical when the wording must stay precise, or Complete for the heaviest transformation.4Check the Pallas score
Each rewrite is run through the site's own detection model in 33 languages. Review the score and the drift warning before deciding whether to accept the output.
5Verify with a second detector
Cross check the humanized text using the built in AI detector or the Chrome extension, which can scan text on any page in 39 languages, before it goes to a client or publisher.6Scale up with a paid plan
If credits run out, compare monthly allowances ranging from 200 to 1,500 credits, or buy extra credit packs, on the pricing page.
Pros and cons
Pros
- Four rewrite intensities (Quick, Deep, Technical, Complete) let you control how far the text moves from the originalAI
- Every rewrite is checked against Pallas, a detection model the company trains itself, so you see a score before publishingAI
- Handles 90+ languages with automatic language detectionAI
- Accepts PDF, DOCX, DOC and TXT uploads instead of forcing copy and pasteAI
- Free tier gives 200 words to test with no credit card requiredAI
Cons
- Credits burn fast: each credit covers roughly 100 words, so long articles consume allowance quicklyAI
- The detector score comes from the vendor's own model, not an independent benchmark, so results against GPTZero or Turnitin can differAI
- Quality depends heavily on which rewrite level you pick, and the page gives no per level guidance for specific content typesAI
- No stated API or third party integrations, so humanizing cannot be slotted into an existing content pipelineAI
- Site itself warns detectors change monthly, meaning output that passes today may not pass laterAI
How much does Humanize AI cost?
Pricing
Free accounts start with 2 credits (roughly 200 words). Paid plans run from 200 to 1,500 credits per month, with one credit covering about 100 words, and additional credit packs can be bought as needed. Exact plan prices are listed on the pricing page.
Learn moreSupport
A contact page handles questions and support requests, and the methodology page documents how the Pallas detection model and rewrite process are measured and versioned.
Learn moreIntegrations
A Chrome extension provides on page AI detection in 39 languages. Beyond the browser extension, no API or third party app integrations are described on the site.
Features
A four level humanizer (Quick, Deep, Technical, Complete) that rewrites AI drafts across 90+ languages while aiming to keep the original meaning, a free AI detector with confidence, perplexity and burstiness scoring, a hidden Unicode and zero width symbol finder, document upload for PDF, DOCX, DOC and TXT up to 10MB, Pallas detection checks on every rewrite, and a Chrome extension detector covering 39 languages.
Learn moreFrequently asked questions about Humanize AI
How much does Humanize AI cost?
Free accounts start with 2 credits (roughly 200 words). Paid plans run from 200 to 1,500 credits per month, with one credit covering about 100 words, and additional credit packs can be bought as needed. Exact plan prices are listed on the pricing page.Does Humanize AI offer a free trial?
Starting free requires no credit card and grants 2 credits, enough for around 200 words, which is one pass through a short piece of text.How do you use Humanize AI?
The walkthrough on this page covers 6 steps: 1. Create a free account 2. Paste text or upload a document 3. Pick a rewrite level 4. Check the Pallas score 5. Verify with a second detector 6. Scale up with a paid plan.What platforms does Humanize AI support?
Humanize AI is available on Web App and Browser extension.What does Humanize AI integrate with?
A Chrome extension provides on page AI detection in 39 languages. Beyond the browser extension, no API or third party app integrations are described on the site.What are the limitations of Humanize AI?
Credits burn fast: each credit covers roughly 100 words, so long articles consume allowance quickly. The detector score comes from the vendor's own model, not an independent benchmark, so results against GPTZero or Turnitin can differ. Quality depends heavily on which rewrite level you pick, and the page gives no per level guidance for specific content types.
Status
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Added10/21/2026
Platforms
Web AppBrowser extension
Pricing
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