Privdo

Privdo is a privacy-first todo manager. All your data is encrypted with AES-256 and stored locally on your device — nothing is sent to any server unless you explicitly enable optional end-to-end encrypted sync. Core Features • PIN-protected vault with AES-256 encryption (PBKDF2, 600k iterations) • Multiple named task lists (work, personal, etc.) • Drag-and-drop reordering • Deadlines with overdue highlighting • Instant search across tasks • Dark and light mode • Collapsible completed-tasks section • Export and import encrypted JSON backups Optional E2E Encrypted Sync • Sync across devices via passphrase or email — your choice • Zero-knowledge server: the server never sees your plaintext data • Conflict-free merge with last-write-wins per field • Works offline — queued changes sync automatically when you reconnect Privacy by Design • No account required • No tracking, no analytics, no ads • PIN never leaves your device • Raw storage is opaque ciphertext • Open source: https://github.com/chsafouane/local-todo-manager Privdo is also available as a web app, macOS desktop app, and iOS/Android app.