Convert HTML to CHM Online — Free
Fast, free HTML to CHM converter. No registration required.
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Works Everywhere
Any browser, any device
How to Convert
Upload your .html file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .chm file when it's ready.
What is HTML?
HTML is the standard markup language for web pages. Converting documents to HTML makes them viewable in any web browser without additional software.
Format Details
- Full Name
- HyperText Markup Language
- Extension
- .html
Key Features
- Web standard
- Universal viewing
- Editable
- Browser native
What is CHM?
CHM (Compiled HTML Help) is Microsoft's proprietary help file format introduced with Windows 98. It compiles HTML pages, images, and an index into a single compressed archive viewed with the Windows Help viewer.
Format Details
- Full Name
- Compiled HTML Help
- Extension
- .chm
Key Features
- Compiled HTML
- Search index
- Table of contents
- Windows Help viewer
HTML vs CHM
| Feature | HTML | CHM |
|---|---|---|
| Full Name | HyperText Markup Language | Compiled HTML Help |
| Extension | .html | .chm |
| Best For | Web standard | Compiled HTML |