Convert DOC to CHM Online — Free
Fast, free DOC to CHM converter. No registration required.
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
Upload your .doc 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 DOC?
DOC is the legacy Microsoft Word format used before Office 2007. While older, it remains common in archived documents and older systems.
Format Details
- Full Name
- Microsoft Word 97-2003
- Extension
- .doc
Key Features
- Legacy support
- Microsoft Office
- Wide compatibility
- Editable
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
DOC vs CHM
| Feature | DOC | CHM |
|---|---|---|
| Full Name | Microsoft Word 97-2003 | Compiled HTML Help |
| Extension | .doc | .chm |
| Best For | Legacy support | Compiled HTML |