Doxy
Doxy is a web-based document chat app for asking questions about files and other source material.
What Doxy is
Doxy is a web-based document chat app for asking questions about files and other source material. Upload documents, organize them into projects and ask questions in plain language; answers cite the documents used so you can check them against the originals. Supported sources include PDF, Word, PowerPoint, Excel, image, audio, HTML, CSV, ZIP and EPUB files, as well as web links and YouTube URLs. For YouTube links, Doxy uses the video transcript as source material. You can upload documents and ask questions in many languages, and answers follow the question's language where the source supports it. Pro and Business plans add multiple-choice quizzes with explanations and open-ended practice exercises from selected sources. Free allows 3 documents, 20 questions per month and files up to 10 MB. Pro costs $4.99 a month; Business costs $9.99 a month. An account is required. Document content and questions are transmitted to OpenAI for embeddings and answer generation; the privacy policy says API data is not used to train models.
Good
- Answers cite the source documents used
- Supports a broad range of file formats
- Questions and answers support many languages
- Projects keep documents scoped to an account
Watch out
- Free plan allows 3 documents and 20 monthly questions
- Free file limit is 10 MB
- An account is required
- Document content and questions are sent to OpenAI
Who it suits
Doxy suits people who want to query files, web pages or YouTube transcripts and check responses against cited sources. It is available through the web and requires an account.
Verdict
Doxy offers cited document answers and source-based learning exercises on paid plans. Review the document, question and file-size limits alongside its stated data processing before choosing a plan.
Plans and prices
From Doxy's own pricing page, checked 5 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | 3 documents · 20 questions/month · 10 MB per file |
| Pro | $4.99 a month | 100 documents · 1,000 questions/month · 50 MB per file · priority processing · quizzes · practice exercises · $4.99/month |
| Business | $9.99 a month | Unlimited documents · unlimited questions · 200 MB per file · priority processing · quizzes · practice exercises · $9.99/month |
The facts
Each one read from Doxy's own pages, with the date it was checked.
What it does
- Account requirement
- An account is required to use Doxy.checked 5 Oct 2026
- Citation answers
- Each response lists the source documents it used so users can check answers against the original material.checked 5 Oct 2026
- Data processing
- The privacy policy says document content and questions are transmitted to OpenAI for embeddings and answer generation, and that OpenAI API data is not used to train models.checked 5 Oct 2026
- Hosting and storage
- The privacy policy names Vercel for frontend hosting, Fly.io in Frankfurt for backend hosting, and Supabase with EU data centers for authentication, database and file storage.checked 5 Oct 2026
- Language support
- Users can upload documents and ask questions in many languages, and Doxy answers in the question's language wherever the source material supports it.checked 5 Oct 2026
- Limit
- Doxy says publicly reachable web pages can be read, while pages behind a login, paywall or aggressive bot protection may not be accessible.checked 5 Oct 2026
- Practice exercises
- Pro and Business plans include open-ended practice exercises generated from selected sources.checked 5 Oct 2026
- Privacy
- Documents are scoped to the user's account and project, and the FAQ says context does not leak between projects or users.checked 5 Oct 2026
- Product
- Doxy is a document chat app where users upload files, organize them into projects, ask questions in plain language, and receive answers with citations.checked 5 Oct 2026
- Quizzes
- Pro and Business users can generate multiple-choice quizzes with explanations from selected sources.checked 5 Oct 2026
- Support
- Doxy says users can reach support through its in-app support chat, which uses a Brevo chat widget.checked 5 Oct 2026
- Supported sources
- Doxy supports PDFs, Word, PowerPoint, Excel, images, audio, HTML, CSV, ZIP and EPUB files, as well as web links and YouTube URLs.checked 5 Oct 2026
- YouTube
- For YouTube links, Doxy pulls the video transcript so users can ask questions about its content.checked 5 Oct 2026
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