Libre Contacts Backup

Libre Contacts Backup is a FLOSS native Android app for private, local-first contact backups. No account, no cloud, no tracking — your contacts never leave your device unless you choose to move the backup file yourself. Features: Lossless backup preserving the full Contact → RawContact → Data hierarchy, including contact groups Scheduled daily local backups at a time you choose, with no internet connection required Single-file LCB archives containing canonical JSON, VCF, CSV, and normalized exports Optional AES-256-GCM password-protected encryption (Android Keystore backed) Restore consolidates each source contact correctly, without merging different people who share a name Manual CSV, VCF, and Excel-compatible exports * User-controlled retention for automatic backup archives