Get the Mac app
Two editions, one editor. FairPDF is the full PDF studio, free forever. F³ adds the AI — form filling, document chat, and field detection — as a subscription.
FairPDF — every tool, no AI
The free alternative to Acrobat. No account, no trial, no AI.
- Edit PDF text & organize pages
- Fill forms, sign & request e-signatures
- Redact, protect, compress, compare, OCR
- Export to Word, Excel & PowerPoint
macOS 13+ · Apple Silicon & Intel
F³ — the advanced AI edition
Everything in FairPDF, plus the AI that reads, maps, and fills your forms for you.
- AI form filling in plain English
- Document chat with conversation history
- AI field detection for flat & scanned forms
- AI sign placement & compare summaries
High-volume team? F³ Business — $100/mo
Subscribe, then download F³ for Mac and sign in to unlock.
How pricing works. FairPDF is free, forever — every PDF tool, nothing gated, no account. The AI lives in F³: $20/mo Pro for individuals, $100/mo Business for high-volume teams, billed through Stripe and cancellable any time. Subscribe with your email, sign in on the web or in the Mac app, and the AI unlocks everywhere you use F³.