signalbackup-tools - 20250313.1-1 main

Tool to work with backup files generated by the Signal Android
application (https://signal.org/). It can dump the decrypted backup
components to a directory, or read the contents of a directory and
pack and encrypt it back into a valid backup file. When dumping, make
sure the directory to dump to is empty to start with. In theory, the
decrypted files could be edited before re-encrypting. It has also
been used successfully to fix backups that were corrupted.
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Signal is an actively developed application and consequently, the
database format changes regularly. Often the changes do not affect
the backup file format or the working of this program, but every once
in a while a change does break (some of) the functionality of this
program. It has happened before and it will happen again.
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The tool is provided as-is, there may be bugs. The tool and I are not
affiliated with or endorsed by the Signal Foundation.