CS PDF Reader - PDF Editor

In-app purchases
4.7
67.6K reviews
10M+
Downloads
Content rating
Everyone
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About this app

The CS PDF mobile app, powered by CamScanner, is an all-in-one PDF tool. It's a PDF reader, PDF editor, PDF converter, and PDF scanner. Easily convert PDFs to Word and other formats with this app. You can also convert images, Excel, and PPT files to PDFs for free. CS PDF is compatible with Microsoft, Google, and Adobe files.
Completely free, this PDF tool is well-designed and easy to use, perfect for working on the go, from your mobile, for online study, and for travel. Supports 10 languages.

CS, CS PDF, and CamScanner
● CS PDF and CamScanner are developed and published by CS. CS PDF is powered by CamScanner.
● CamScanner is a scanner app installed by more than 1.5 billion people around the world. You can sync files between CamScanner and CS PDF.

A brand new PDF scanner to quickly scan paper documents!
● Easily use your device's camera to scan paper documents, or import files directly from your gallery.
● Automatically remove unnecessary backgrounds and trim edges during the scan.
● High-definition scanning mode is available.

Your Pocket Folder: Not just a PDF reader, but also supports reading documents in all formats!
● Import all the PDF files on your phone to CS PDF and create folders to organize them — no more worries about losing files!
● Read PDF files online or offline, anywhere and anytime.
● Search PDF files by their content and annotate documents easily.
● Zoom in or out of PDF pages, and ensure a high-resolution PDF reading experience.
● Supports single page view and continuous scrolling reading modes.

A more convenient way to handle work files, such as contracts
● Use CamScanner to scan hard copy paper contracts and sync them to CS PDF.
● Use CS PDF to add e-signatures and adjust their size and placement.
● Merge multiple PDF contracts with just one tap.
● Highlight, underline, or strike-through text to accentuate PDF content.
● Share PDFs, Word documents, images, or other types of files via social media, emails, and other such platforms, or for printing.

The best PDF converter
● Convert image, Word, Excel, and PowerPoint files into PDF files.
● Convert PDF files into image, Word, Excel, and PowerPoint files.

We look forward to hearing from you! Contact us via cspdf@camscanner.com
Updated on
Jan 20, 2026

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
Personal info, Files and docs and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.7
65.5K reviews
Mohd Adamu
March 2, 2026
Really I seen changes not like before just when you scan it take you to. Share a link and is difficult but now instantly allow you to send direct pdf file so fast 👍
3 people found this review helpful
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D Beugger
February 23, 2026
It's great but when you make a mistake you can't undo it, you have to redo everything. Quite frustrating.
3 people found this review helpful
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INTSIG PTE
February 25, 2026
Please accept our apologies for the inconvenience caused. Could you describe the issue you met in detail and report app log to us from “CS pdf app--bottom Me--Feedback” with some screenshots for check? You can also contact us at cspdf@camscanner.com. Thanks
Shegun Ibikunle
March 3, 2026
Very good App for doing some modifications on pdf files. Easy to use.
3 people found this review helpful
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What’s new

Fix the issue where PDFs fail to open