CHM to AZW3 converter
Convert CHM to AZW3 for free, with no sign-up and no paywall after upload.
- Where it runs
- Our server, files deleted in 60 min
- Free allowance
- 25 files a day, up to 200 MB each
- Typical time
- Usually 5–30 seconds
- Sign-up
- Not needed
What happens to your CHM
Converted with Calibre, the standard eBook toolkit. Chapters, the table of contents and cover are kept where the source has them.
This conversion runs on our server. Your file is deleted within 60 minutes, and you can delete it yourself as soon as you have downloaded the result.
How to convert CHM to AZW3
- Choose your file Tap Choose files and pick the CHM file, or drop it onto the page. You can add several at once.
- Convert to AZW3 Tap Convert. The file is sent over an encrypted connection and converted on our server.
- Download Tap Download to save the AZW3 file. It is deleted from our server within 60 minutes, or straight away if you tap Delete.
What is a CHM file?
Windows help files and many older technical eBooks.
Windows, Calibre, xCHM.
What is an AZW3 file?
Amazon's modern Kindle format with better layout and font support than MOBI.
Kindle e-readers, the Kindle app and Calibre.
Questions
Is converting CHM to AZW3 free?
Yes. You can convert up to 25 files a day on our server for free, each up to 200 MB, with no sign-up. The limit is shown before you upload, and we never ask you to pay to download a file you have already converted.
Is it safe to convert my CHM files here?
Yes. Files travel over an encrypted connection, are processed on our own server, and are deleted within 60 minutes. Nobody looks at them, and you can delete them yourself straight after downloading.
How long does CHM to AZW3 take?
Usually 5–30 seconds. Bigger files take longer, and you can watch the progress on each file.
Can I convert CHM to AZW3 on my iPhone or Android phone?
Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.
How do I open an AZW3 file?
Kindle e-readers, the Kindle app and Calibre.