Alto PDF Scanner

Looking for a powerful, all-in-one PDF scanner? Try Alto PDF Scanner — the smart document scanner that does it all!

Using your device's camera, Alto PDF Scanner instantly scans documents, ID cards, passports, and more into high-quality PDFs. It also lets you sign PDFs, fill in form fields, merge, compress, add watermarks, and convert between PDF and images — all in one app.

Simple, fast, and completely FREE. Download Alto PDF Scanner now and take control of your documents!


How can Alto PDF Scanner help you?
🗂 Scan receipts, invoices, contracts, and business cards for the office.
📒 Scan notes, books, and presentations to boost your study efficiency.
🪪 Scan ID cards, passports, and driver's licenses with dedicated card modes.
📠 Scan anything else: tax forms, maps, whiteboards, manuscripts, and more.


Why choose Alto PDF Scanner:

1. Smart Document Scanner
Quickly scan any document into a PDF with precise auto edge detection, smart perspective correction, and intelligent shadow removal. Supports unlimited multi-page scanning for documents, plus dedicated single-side and both-sides modes for ID cards and passports.

2. Professional Scan Filters
Choose from multiple filters to get the perfect result every time:
✔️ Document — auto shadow removal for clean, white backgrounds
✔️ Black & White / BW2 — crisp text with adjustable darkening
✔️ Image — preserve original colors with noise reduction
✔️ Enhance — gentle shadow correction for colorful documents
✔️ Grayscale — classic gray tone output

3. Complete PDF Editor
✔️ Fill PDF form fields — text fields, checkboxes, dropdowns, and more
✔️ Add electronic signatures — draw, save, and reuse your signatures
✔️ Add text annotations with custom colors
✔️ Add custom watermarks to protect your documents
✔️ Undo/redo support for all edits

4. Powerful PDF Manager
✔️ Auto-scan and list all PDF files on your device
✔️ Open and read PDFs with a smooth, fast viewer
✔️ Search files instantly by name
✔️ Rename, delete, share, and compress from the file list
✔️ Recent files for quick access

5. PDF Tools — Everything You Need
✔️ Merge multiple PDFs into one
✔️ Compress PDFs to reduce file size
✔️ Reorder and delete pages
✔️ Convert PDF pages to images
✔️ Convert PDF to a single long image
✔️ Convert images to PDF with custom page sizes

6. Add E-Signatures
Draw your signature in landscape mode, save it, and apply it to any PDF page. Manage multiple saved signatures and reuse them anytime.

7. Custom Watermarks
Protect your documents with custom watermarks. Adjust text, size, transparency, and color to your preference.

8. Password-Protected PDFs
Open and edit password-protected PDF files. Your sensitive documents stay secure.

9. One-Tap Sharing
Share your scanned documents and edited PDFs instantly via email, messaging apps, or social media. Receive PDFs and images from other apps for quick processing.

10. ID Card & Passport Scanning
Dedicated scanning modes with proper card dimensions. Scan single-side or both sides of ID cards, and passports — output as perfectly sized PDFs.

Download Alto PDF Scanner now! Your all-in-one solution for scanning, editing, and managing PDFs on the go.


UPCOMING FEATURES:
👉 Cloud backup and sync
👉 More filter options and AI-powered enhancement


PERMISSION REQUIRED:
* For users of Android 11 and above, All Files Access permission is required to access, manage, and edit all PDF files on your device.
* Camera permission is required for document scanning.