Mobile app · Security & privacy

CryptoSafe

Offline AES-256-GCM text encryption with Argon2id, no internet permission.

Completely free
Android
Open source

Overview

Features described in its F-Droid listing and in its GitHub repository: data encryption, password generator and offline use.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Offline AES-256-GCM text encryption with Argon2id, no internet permission” — F-Droid, 10 November 2026
“Built-in password generator with strength indicator” — F-Droid, 10 November 2026
“A lightweight, offline-first Android app for military-grade text encryption..” — GitHub, 10 November 2026

At a glance

All of CryptoSafe is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 5 November 2026
Description from F-Droid — F-Droid (citation courte)

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