Convert CHM to EPUB
Free online converter. Upload your .chm file — get a clean, reflowable EPUB in seconds. No signup required.
Drop your file here, or click to browse
Supports 26 formats including PDF, DOCX, MOBI, AZW, CBZ and more — up to 50MB
What is CHM?
CHM (Compiled HTML Help) is Microsoft's format for help documentation, bundling multiple HTML pages into a single compressed file.
Why convert CHM to EPUB?
CHM files require Windows to open natively. Converting CHM to EPUB creates a portable document you can read on any device.
How to convert CHM to EPUB
- 1Click the upload area above or drag your .chm file into it.
- 2Our server converts it using Calibre — the industry-standard ebook engine.
- 3Download your EPUB. The link is valid for 15 minutes, then deleted from our servers.
Tips for CHM conversion
- The CHM table of contents becomes the EPUB navigation structure.
- Multi-chapter CHM files convert with chapter structure preserved.
Why EPUB?
EPUB is the open standard for digital books, maintained by the W3C. Unlike proprietary formats, EPUB works on Kindle, Kobo, Apple Books, Google Play Books, and hundreds of third-party apps. Text reflows to fit any screen size, fonts are adjustable, and the format supports accessibility features like text-to-speech and dyslexia-friendly settings.
Related conversions