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Tools with a browser extension

Tools that work inside the editor you already use, rather than in their own tab.

What has to be true to appear here

The vendor ships its own extension for at least one major browser.

31 tools meet this criterion.

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Netus AI

AI Bypasser that rewrites AI text, plus paraphraser, summarizer and unlimited AI detection.

AI Detector Bypassers from USD 14.00
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StealthGPT

Rewrites AI text and auto-types the result into web fields via a Chrome extension.

AI Detector Bypassers from USD 30.00
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WriteHuman

Rewrites AI text into human-style output with multiple variations per request and AI detection checks.

AI Detector Bypassers from USD 20.00
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Grammarly AI Detector

Free AI detector from Grammarly returning a percentage AI score, with a Pro agent for flagged phrases.

AI Detectors from USD 12.00
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Originality.ai

AI detection plus plagiarism, fact and readability checks aimed at web publishers and content agencies.

AI Detectors from USD 12.95
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Pangram Labs

Research-led AI text detector for schools and platforms, with a free daily quota and a usage-based API.

AI Detectors from USD 20.00
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Winston AI

AI text, image and deepfake detection with plagiarism checking and site certification for publishers.

AI Detectors from USD 10.00
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Conch AI

Rewrite mode that humanizes AI drafts, bundled with an AI detector and study tools.

AI Humanizers from USD 30.00
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Hastewire

Humanizes AI drafts and adds sentence-level AI detection, grammar checking and translation.

AI Humanizers from USD 5.00
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Ryne AI

Humanizes AI text and adds an AI detector, essay writer and lecture note tools.

AI Humanizers from USD 19.99
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SupWriter

Humanizes AI text and adds paraphrasing, grammar checking and AI detection.

AI Humanizers from USD 4.99
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Undetectable AI

Rewrites AI-generated text into human-style output and includes a built-in AI detector.

AI Humanizers from USD 9.99
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Walter Writes AI

Humanizes AI drafts, removes model watermarks and scores output with a built-in detector.

AI Humanizers from USD 8.00
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Copyleaks API

Content-integrity API for AI detection and plagiarism scanning, billed in unified credits per scan.

Humanizer APIs from USD 13.99
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Originality.AI API

AI detection and plagiarism API billed in credits, where one credit covers 100 words of scanned text.

Humanizer APIs from USD 12.95
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Linguix

Grammar and style checker with paraphrasing, rewriting and tone suggestions in a browser extension.

Paraphrasers & Rewriters from USD 11.67
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Outwrite

Grammar and style tool whose Pro plan rewrites sentences to be shorter, longer or different.

Paraphrasers & Rewriters from USD 9.95
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QuillBot

Paraphrasing suite with multiple rewrite modes, grammar checker, summarizer and AI humanizer.

Paraphrasers & Rewriters from USD 8.33
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Wordtune

AI rewriting assistant that suggests alternative phrasings, shortens or expands sentences inline.

Paraphrasers & Rewriters from USD 4.89
Established

Smodin

Text rewriter, AI writer, plagiarism checker and humanizer aimed at students and researchers.

Paraphrasers & Rewriters Freemium

Other questions

AI humanizers you can use without an accountTools with a documented APITools with a published retention answerMultilingual AI humanizersTools with a free tier worth usingTools we ran through the detector panel ourselves