Every PDF task.
Zero strings.
Edit, sign and scan PDFs. Offline, no account, no watermark. Your files never leave your device.
Everything you need. Nothing locked.
Sign anywhere
Draw, type or photograph your signature, then place, resize and rotate it.
Fill forms
Type into form fields or add free text anywhere on the page.
Scan to PDF
Turn paper into clean PDFs with your camera. No watermark, ever.
Merge, split, reorder
Combine files, pull out pages, rotate and drag pages into order.
Compress
Three levels to shrink files for email and uploads.
Password protect
Add or remove a password before you share a file.
Three taps. Done.
Open a file
Pick a PDF from your phone or scan a page.
Choose a tool
Sign, fill, merge, compress or protect.
Save or share
Your new file is ready, clean and watermark-free.
Questions
Is Sam PDF free?
Yes. Every feature is free. The app is supported by ads that appear between tasks, never while you read, sign or fill a form.
Are my files uploaded?
No. Every tool runs on your device. Your files never leave your phone.
Do I need an account?
No. Install and start. There is no sign-up and no login.
Does it add a watermark?
Never. Scans, merges and exports are clean.