We're regularly updating Stack to improve functionality, add features and fix bugs.
Get rid of paper clutter with Stack. Stack is a PDF scanner, document organizer, and detail finder. All in one.

Scan with your phone
Stack can be used as a bill scanner, receipt scanner, invoice scanner and more.

High-quality PDFs
Stack transforms your scanned documents into high-quality PDFs.
Easily edit with crop, rotation, color enhancement, and correction.

Make organizing easy
Stack automatically names and organizes your documents into useful categories.

Never miss a detail
Stack finds and displays key details from your document (like “total amount due”). Copying information has never been easier.

Private and secure
Stack uses Google’s world-class security to protect your data. You can turn on fingerprint or face lock for extra peace of mind.

Automatic Back Up
Stack backs up all your documents to the Cloud. You can save a copy of your documents also to Google Drive.

Import existing PDFs
Import from camera, gallery or files. Your documents have a new home.

Free
Stack has no ads or in-app purchases. And no watermarks.

Share PDF documents
Share your scanned documents via email.

Document search
Stack’s OCR scanner allows you to search for text within your documents. You can always find what you need.

Made by Google
Built by Google’s in-house incubator “Area 120 by Google”, this app will show you why this is the best PDF scanner. Learn more at stack.area120.com.