Convert chm to kepub

Download and install the latest version of Filestar.
Right click on one or more Chm file(s) on your desktop and select Convert with Filestar.
Type convert to kepub in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.chm -c "convert to kepub" (how).

Let your AI agent convert CHM to KEPUB

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows, macOS only.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the CHM files in my Downloads folder to KEPUB”

Or run it yourself:

filestarcli -i file.chm -c "convert to kepub"

Runs on your computer, so your files stay on it. Works on Windows and macOS. 50 free conversions with the npm install, no account needed.

Can my AI agent convert CHM to KEPUB?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.chm -c "convert to kepub" on your computer, so your files stay on it.

Using Filestar With AI Agents →

What is the difference between .chm and .kepub?

Name: Compiled HTML Help File; Kobo EPUB File
Extension: .chm; .kepub
Format: Binary; Binary
Category: Developer; Ebook
Developer: Microsoft; Rakuten Kobo
Description: Comprises of texts, hyperlinks, and images that make up help documentation saved in HTML format. They provide help solutions that can be viewed on web browsers.; A KEPUB file is an EPUB ebook with extra Kobo markup (koboSpan elements and a kobo.js script) that Kobo e-readers use for their faster renderer, page statistics and highlighting. It is usually saved as .kepub.epub; any EPUB reader can open it.
MIME Type: application/vnd.ms-htmlhelp; application/epub+zip
Sample: sample.chm; sample.kepub
Wikipedia: .chm on Wikipedia

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