Linux · Utilities
OpaqueFiles
File encryption software for cloud storage
by cozyOwl
Official site: flathub.org
About OpaqueFiles
OpaqueFiles is a free and open-source project that can be used to encrypt data before uploading it to cloud providers or local storage.
Please also check out Cryptomator to see what suits you best.
Features
Encryption: ChaCha20-Poly1305 (default), AES-GCM-SIV
Remember password: Password can be saved in ~/.config/OpaqueFiles/opaqueFiles.properties to avoid typing
Compression: None, Zstd (default), gzip, XZ
Reed–Solomon Error Correction
Argon2id key derivation
Verification: Checks your encrypted files for errors during encryption
Checking: Check your encrypted files for malicious manipulation
Scrubbing: Check your encrypted files for corruption, and fix the corruption
UNIX Pipes
Stress testing: Test CPU/Memory stabilty. Faster but not as reliable as Memtest
How to install OpaqueFiles
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub page.codeberg.cozyowl.OpaqueFiles
- Open OpaqueFiles once it finishes installing.
Frequently asked questions
Is OpaqueFiles free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where OpaqueFiles is available to download. Flatnic doesn't host or modify any files.
How do I install OpaqueFiles from the command line?
With Flatpak, run: flatpak install flathub page.codeberg.cozyowl.OpaqueFiles. This installs it from the official source and keeps it updated.
Is OpaqueFiles safe?
OpaqueFiles downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.