CryptoMaster — lock your files and folders so that only YOU can open them.
CryptoMaster is an offline encryption app that locks your files and folders with strong encryption. Only the person who set the password can decrypt them. Once encrypted, neither supercomputers nor the developers of this app can unlock your files.
■ Key features
· File and folder encryption — pick any file or folder and lock it safely.
· Decryption — the person who knows the password can unlock it anytime.
· Strong security — protects your content with proven encryption.
· Works offline — everything is processed on your own device. Your files never leave your phone.
· No ads — a clean, distraction-free experience.
· Multiple languages — use it in your own language.
■ Who it is for
· Anyone who wants to keep important documents and photos safe.
· Anyone who wants to lock files that others should not see.
· Anyone who wants to encrypt files before uploading them to the cloud.
■ Safety note
Keep your password to yourself. If you forget it, not even the developers can help recover your files.
SJMK
Latest Version
Varies with deviceRequires Android
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Aug 29, 2026
This release includes minor bug fixes and general improvements. Update to the latest version for the best experience.
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