Version 6.5.5 of the tools is now available. Please update to the latest version if you are having issues.
DeDRM_tools_6.5.5.zip can be downloaded from
Two fixes in this release:
- Windows users with non-ASCII characters in their Windows user names should no longer have problems decrypting Kindle ebooks downloaded using Kindle for PC 1.17.
- Macintosh users with complex hard disk setups should no longer have problems decrypting Kindle ebooks downloaded using Kindle for PC 1.17.
Note: This release does not include any support for the KFX format Kindle ebooks that are often downloaded when using Kindle for PC/Mac 1.19 or later.
To leave a comment, see the previous post: DRM Removal Tools for eBooks.