Compare software

KDAN PDFLightPDF
Freemium

Reading and annotation are free. Editing and conversion require a paid plan.

 Freemium

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

Windows, macOS, Android, iOS Windows, macOS, Android, iOS, Web
  • Consistent editing and annotation across desktop and mobile
  • Cloud sync keeps documents and annotations together across devices
  • Available on web, desktop and mobile
  • Editing, conversion, OCR and signing in one tool
  • Editing and conversion need a paid subscription
  • Closed source
  • Full features require a Pro subscription
  • Online tools send documents to the vendor's servers
Downloadable app Downloadable app, Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 24, 2026

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