Decrypt Home Assistant backups
This uses WebCrypto to decrypt .tar.gz files from an encrypted Home Assistant backup. Runs completely in the browser; no data is uploaded.
Source code
NOTE: Unfortunately the 'securetar' file format
has known issues
and the unencrypted files can't be read by some decompression programs.
Select one or more .tar.gz files from a HA backup (untar first!), eg homeassistant.tar.gz:
Enter your encryption key:
Go!