ExtraCHM is a full-featured, modern, multi-tabbed CHM reader.
Try the trial version for one month.
1. Advanced search (similar to Google search).
2. Supports CHM files of any language.
3. Text-to-Speech (reads chm documents in natural voices).
4. Multi-tabbed user interface.
5. Bookmarks on pages and text selections.
6. Decompiling of chm file. This converts CHM to HTML.
7. Changing the size of the text even for fixed-size texts.
8. Zoom of entire content.
9. Application view styles.
10. Print and save document pages.