# Tachiyomi to Paperback Backup Converter
Recently Tachiyomi updated their backup formatting from
.json to a
.gz extension using Protocol Buffers. This tool will only work on the new version of backups. Legacy backups are unsupported.
Provide a Tachiyomi
Because Tachiyomi and Paperback both work with community-created sources, the backup conversion process can only use sources which both Paperback and Tachiyomi share.
Below is a list of Tachiyomi sources which this tool is able to handle.
Additional source functionality will be added in the near future