CHM to MOBI Converter
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What is a CHM file?
CHM (Compiled HTML Help) is a proprietary help file format developed by Microsoft. It consists of compressed HTML documents, images, and navigation tools used to create interactive help systems for software.
CHM files are most commonly found in Windows applications and support features like full-text search, indexing, and hyperlinking. Although it’s an older format, it's still widely supported in technical documentation.
How to open CHM files
CHM files can be opened on Windows with the built-in Microsoft HTML Help Viewer. On other platforms, use CHM viewers like xCHM, KchmViewer, or Calibre.
Use AnyConv to convert CHM files to PDF or HTML if you want to read them on unsupported devices or browsers.
Key facts about CHM
- Full name: Compiled HTML Help File
- Extension: .chm
- MIME type: application/vnd.ms-htmlhelp
- Developed by: Microsoft
- Initial release: 1997
Useful links and resources
What is a MOBI file?
MOBI is a legacy eBook format developed by Mobipocket, later acquired by Amazon. It supports complex content like bookmarks, annotations, and DRM, and was used extensively on early Kindle devices.
Although Amazon has transitioned to newer formats like AZW3 and KFX, MOBI files are still supported on older Kindles and widely used for distribution due to their compatibility with many reading apps.
How to open MOBI files
MOBI files can be opened using Amazon Kindle devices, Calibre, and Mobipocket Reader. Many third-party eReader apps on Android and Windows also support MOBI.
If needed, use AnyConv to convert MOBI to EPUB, AZW3, or PDF for greater compatibility.
Key facts about MOBI
- Full name: Mobipocket eBook
- Extension: .mobi
- MIME type: application/x-mobipocket-ebook
- Developed by: Mobipocket / Amazon
- Initial release: 2000
Useful links and resources
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❓ Frequently Asked Questions
- Do I need to register to convert CHM files?Not at all! You can convert CHM to MOBI without signing up or installing anything.
- Is it safe to convert CHM to MOBI on AnyConv?Absolutely. All CHM and MOBI files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
- Will the quality change after converting CHM to MOBI?We do our best to preserve the original quality during CHM to MOBI conversion. The result is accurate and clean.
- How long does it take to convert CHM to MOBI?Most conversions from CHM to MOBI take just a few seconds — even for larger files.
- Can I upload more than one CHM file?Yes, batch conversion is supported. You can convert multiple CHM files to MOBI at once — fast and easy.
- What browsers support CHM to MOBI conversion?All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting CHM to MOBI on any platform.