Open documentation files and other useful staff compiled in CHM format with CHM Viewer - Reader and Opener. Just choose a file using system file explorer and the app will decode its content for you.

App will make a searchable list of content out from the CHM file. Find desired articles even faster. Moreover, all articles are cached for future fast opening.

CHM Viewer supports dark mode for pages introduced in Android Pie. This feature will be enabled by default on a dark theme or you can change it behavior manually on the page view screen.

Multiple encoding support. CHM Reader supports all popular encodings for all modern languages, including Chinese, Russian and Spanish. All decoding will be made automatically and will not bother you.

Print pages of CHM document or export it as PDF. Navigate to the page that needs to be exported, open the screen context menu, and tap on the export button.

Zero permissions are needed. CHM file viewer will not request your access to the phone storage or any other sensitive categories. Your data belongs only to you.

If you have any questions or suggestions about CHM Viewer - Reader and Opener, feel free to ask it through the contact form on the app page.

// Option A //

To download CHM Viewer - Reader and Opener mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download CHM Viewer - Reader and Opener mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download CHM Viewer - Reader and Opener from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search CHM Viewer - Reader and Opener in HappyMod App.