undetectable.wtf vs AI Content Detector | Copyleaks

undetectable.wtf is a browser-based AI humanizer that takes drafts from ChatGPT, Claude, and similar writers and reworks them so common detectors flag less often. You paste up to 15,000 characters into the homepage editor, pick Rewrite or Cryptography mode, and run output against tools like GPTZero, Turnitin, and ZeroGPT. The site lists a 98% bypass success rate and a 4.9/5 rating from 2,300+ users.

Most humanizers only paraphrase. undetectable.wtf also ships Cryptography mode, which swaps in Unicode homoglyphs and zero-width characters so the text looks unchanged to readers while breaking detector pattern matching. That is a different trade-off than rewrite-only services, and both modes here count against monthly essay quotas rather than offering unlimited character processing.

Students, freelance writers, and research assistants use it when AI-assisted drafts need to clear school or client checks. Signup includes a 3-day trial with 2 essays and no credit card. Paid Standard and Pro tiers raise the monthly essay cap, and Pro unlocks input limits up to 2x Standard capacity.

Copyleaks AI Content Detector flags text, images, and video that likely came from generative models, then shows where AI presence appears in the document. Educators, publishers, and compliance teams paste or upload content to get a percentage score, highlighted passages, and optional plagiarism matches in the same report through Copyleaks AI Logic.

Standalone AI checkers often ignore images or treat plagiarism as a separate product. Copyleaks bundles AI text detection in 30+ languages, AI image and deepfake scanning, cross-language plagiarism checks, LMS integrations, and a browser extension so one scan covers the formats students and marketers actually submit.

Teachers use it inside Canvas, Moodle, and Google Docs; editorial teams batch-scan websites via sitemap upload on Pro plans; enterprises route content through the API with role-based policies. Personal plans start at $16.99 per month with 100 unified credits, and Pro adds 25 seats with 1,000 credits monthly.