Size 3
100%
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Open a PDF

Tap to browse or drag a PDF here
Works offline after first load

Ready Pen — 100%
✏️ Apple Pencil
⚠ Offline
✓ Ready offline
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Install Folio
Add to Home Screen for offline use

Save Document

💡 Annotations are auto-saved locally every 4 seconds via IndexedDB. You'll never lose your work.

Google Drive

Sign in to open PDFs from Drive and save annotations back automatically.

Convert to PDF

Convert Word docs, PowerPoint files, images and more into PDFs. Combine multiple files into one PDF.

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