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Apps / Picocrypt NG

Picocrypt NG

A very small, very simple, yet very secure encryption tool

Picocrypt NG developers ✓ Verified

io.github.picocrypt_ng.Picocrypt-NG
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Picocrypt NG is a small, simple, yet very secure file encryption tool. It uses XChaCha20 for encryption and Argon2id for key derivation, with optional cascaded Serpent encryption in paranoid mode.

Features include Reed-Solomon error correction for data recovery, keyfile support, volume splitting, and a full command-line interface for scripting and automation.

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Screenshots

Main window
Main window

Observed history

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Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

2.1617 Jun 2026
  • Release artifacts are signed with keyless cosign and a GitHub build-provenance attestation
  • Desktop: advanced-settings tooltips no longer flicker or jump
  • Android: key material is zeroed after use, saved file names are sanitized, and cloud backup is disabled
  • Privacy: the app no longer writes log files to disk
  • Reliability: incomplete output is cleaned up if an operation is interrupted mid-stream
2.1516 Jun 2026
  • Android: encrypt a whole folder or multiple files at once, with a new Compress toggle
  • Android: optional screenshot protection (FLAG_SECURE) that also hides the app in recent apps
  • Cross-platform passwords are normalized to Unicode NFC so non-ASCII passwords work across operating systems
  • Android: smaller per-architecture release APKs alongside the universal APK
  • Linux: the AppImage is GPG-signed and ships delta-update (zsync) info
2.1414 Jun 2026
  • The compression and deniability passes now report speed and ETA
  • Reed-Solomon decoding rejects malformed input instead of panicking, and a split size that would overflow is rejected before encrypting
  • Android runs long operations in a foreground service and adds a verify-first decrypt option
  • New Linux AppImage package
2.1312 Jun 2026
  • Late Finder/AppKit batches of one open gesture on macOS extend the already-applied iCloud selection instead of replacing it
  • The window title no longer embeds the version, keeping one consistent application name across desktop environments
  • A compact About dialog now shows the application version and project link