iChm 1.4

A lightweight tool designed to help Mac users read CHM type files.
5.0  (1 vote)
2.1.3 (See all)
Lu Yibin

iChm is an application that allows Mac users to read CHM type files. CHM (Compiled HTML Help) is a Microsoft extension used for storing help files but also books and tutorials. The format is usually associated with Windows systems but thanks to utilities like iChm, you can work with CHM file types on different platforms. The application has a well designed, intuitive interface and is free to use.

iChm includes multi-tab support; this means you can open multiple CHM files in the same application instance and easily switch between them. By using the Sidebar, you may view all document contents and quickly browse through different sections. Users can zoom in and out function and create tag-powered bookmarks.

Another important feature is the ability to convert CHM files to the PDF format. This way you can read your books on mobile devices.

Overall, iChm should please all users who have made the switch from Windows to the Mac system and are missing a CHM viewer. The utility is very simple to use, runs fast and what's more, is completely free.

Rory Shaffer
Editor rating:

Review summary


  • Includes a bookmarks manager
  • Can convert CHM to PDF
  • Contents navigator
  • Zoom in and out
  • Tab support


  • Does not decompile the CHM back to HTML
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