Stack: PDF Scanner by Google Area 120

6.46K reviews
Content rating
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About this app

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.

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
Updated on
Mar 4, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 6 others
Data is encrypted in transit
You can request that data be deleted
6.46K reviews
Markus Mobius
June 19, 2022
Amazing app. I have been taking photos of receipts but this is so much better since it does OCR and organized everything by merchant. Plus it syncs to Google drive. The app has much improved over the past 2 years. Two areas for further improvement: (1) sometimes I retake a photo because the app is too aggressive in cutting out white space - even if that space contains important bar codes (i.e. Ikea returns require these codes or USPS certified mail receipts); (2) OCR could be better.
86 people found this review helpful
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Neil Passage
May 29, 2022
'Use this app daily since it's inception to scan in receipts, documents, checks, etc. Usually works like a charm. I like that it's easy to go back, relabel, add to and search. Having a folder in Drive is great and the search function is excellent. I'm a little let down by the AI aspect. I always date my scans in the same format, "yyyy-mm-dd title" but Stack continues to throw the date, when it recognizes it, at the end of the title, not very AI'y" .
13 people found this review helpful
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Chris Kennedy
May 23, 2022
1. If you use it for your camera to take a PDF "photo" it cuts the outside off of your document no matter how far away you get from the document. 2. The option to trim and crop does not allow sides– the whole edges– to be moved. It only allows the edge corner points to be moved. 3. If you at Google tell me a secret way to request a change, it's better for everyone if it's secret to you, and not a public critique?
17 people found this review helpful
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Area 120 by Google
April 4, 2022
Thanks for the feedback Chris. We're continuously working on improving the experience for our users. If this happens again please do send us feedback via the "Send feedback" button in the app to help us investigate further.

What's new

We're regularly updating Stack to improve functionality, add features and fix bugs.