Compare software

LightPDFChatPDF
Freemium

Free online tools, with a paid Pro plan for full editing and AI features.

 Freemium

Free to use, with a paid Plus upgrade.

Windows, macOS, Android, iOS, Web Web
  • Available on web, desktop and mobile
  • Editing, conversion, OCR and signing in one tool
  • Answers cite the passages they come from
  • Folders for chatting across several files
  • Full features require a Pro subscription
  • Online tools send documents to the vendor's servers
  • Documents are processed on a remote service
  • Chat history is only saved after signing up
Downloadable app, Web application Downloadable app, Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 24, 2026

Checked September 23, 2026

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