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DeftPDFPDFMathTranslate
Freemium

Free to use with limits; Premium membership raises file size and batch limits and adds AI…

 Free

Free and open source under the AGPL 3.0; paid translation APIs you connect may cost money.

Android, iOS, Web Windows, macOS, Linux, Web, Self-hosted, Command line
  • More than 40 PDF tools in one place
  • Document translation and OCR included
  • Keeps formulas, charts and layout when translating
  • Works with many translation services, including local Ollama models
  • Files are uploaded to DeftPDF's servers for processing
  • Free tier limits file size and batch size
  • Translation quality depends on the service you choose
  • OCR support is still experimental
Downloadable app, Web application Downloadable app, Web application, Self-hosted
Closed source Open source
License not stated License: AGPL-3.0
No account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.