Super PDF - Free Merge & Scan

Monelo.ai

In-app purchases

About this app

Super PDF is a complete PDF toolbox that does everything right on your phone. No sign-up, no ads, no uploads — every tool works on-device, so your documents never leave your hands.

100% FREE. Every tool, no paywalls, no watermarks on your files.

PRIVATE BY DESIGN. There are no servers — your files are opened, edited, and saved only on your device.

— EVERYTHING YOU CAN DO —

ORGANIZE
• Merge PDFs into one
• Split or extract pages
• Reorder, rotate & delete pages
• Crop page margins

SCAN
• Scan documents with your camera
• Automatic edge detection + flatten for clean, straight pages
• Fine-tune the corners by hand with a magnifier
• Combine multiple scans into one PDF

CONVERT
• Images to PDF (JPG & PNG)
• PDF to images (JPG & PNG)
• PDF to text
• Create a PDF from text

EDIT & SIGN
• Sign PDFs — draw, type, or upload your signature and place it on any page
• Watermark with text or a logo — single or scattered across the page
• Add page numbers
• Compress to shrink file size for email & upload

SECURE
• Password-protect with AES encryption
• Set printing, copying & editing permissions
• Unlock password-protected PDFs you can open
• Redact sensitive info — hidden content is truly removed, not just covered

READ
• Built-in PDF viewer with search, zoom & quick tools

— WHY SUPER PDF —
• Free, with no ads and no account
• Works offline — nothing is uploaded
• Fast and lightweight
• Clean, beautiful design

Super PDF is made by Monelo. It's free to use — if it saves you time, you can leave a small optional tip to support development. Thank you!