Chrome
AvailablePlagiarism Checker extension
Check plagiarism on any page, website without switching tabs.
Learn more about the Chrome Plagiarism Checker extension →Quetext integrations
Bring Quetext into your browser, your AI assistant, or your own product. Every integration runs on the same DeepSearch™ engine and AI detector trusted by over 10 million students, teachers, and professionals.
Browser extensions
Highlight text on any page, click the Quetext icon, and get a color-coded report in seconds.
Plagiarism Checker extension
Check plagiarism on any page, website without switching tabs.
Learn more about the Chrome Plagiarism Checker extension →AI Detector extension
Spot text from ChatGPT, Gemini and other AI models right in your browser.
Learn more about the Chrome AI Detector extension →AI & Plagiarism Checker add-on
Plagiarism and AI checks from the Firefox toolbar, on the official Firefox Add-ons store.
Learn more about the Firefox AI & Plagiarism Checker add-on →Microsoft Edge extension
Plagiarism and AI checks from the Edge toolbar, on the official Microsoft Edge Add-ons store.
Learn more about the Edge Microsoft Edge extension →AI assistants · MCP
Connect Quetext to any app that supports remote MCP. Submit text, track report status, and get structured plagiarism and AI-detection results from your own Quetext account, without leaving your writing tool.
Connector URL
https://app.quetext.com/mcp
Streamable HTTP · OAuth authorization
8 tools available
Reports follow your Quetext account’s plan, quota and features.
Developer API
A RESTful API for plagiarism detection and AI content detection, with per-sentence AI probability, report management and PDF export.
Endpoints · X-API-Key header
| Browser extensions | MCP | API | |
|---|---|---|---|
| Best for | Students, teachers and writers checking text on the web | People working in AI assistants and agent tools | Developers and platforms at scale |
| Setup | Install from your browser’s store | Add the connector URL and sign in | API key in the X-API-Key header |
| Pricing | Free up to 1,000 words; paid plans for more | Uses your Quetext plan and quota | $0.10 per 1,000 words, prepaid wallet |
| Checks | Plagiarism, AI detection, citations | Plagiarism, AI detection, reports | Plagiarism, AI detection, PDF export |
Upload up to 100 documents at a time (.doc, .docx, .pdf, .txt).
Plans for schools and institutions with multiple users.
Recommend Quetext to your audience and earn commission.
Talk to us about LMS, enterprise or high-volume setups.