Secure local file encryption up to 2 GB. No servers, no trackers. Your data stays yours.
Users
11
store count
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
total ratings
Store rank
#185K
#155K among extensions
Version
1.7.5
updated 15 Oct 2026
About Fog
Fog is a simple, reliable, and anonymous file encryption tool that works entirely on your device.
Features:
• Encrypt any file up to 2 GB with AES-256-GCM encryption
• Create self-decrypting .fog.html files to share securely
• Virtual keyboard for secure password entry
• Password strength indicator
• Batch encryption/decryption
• Russian and English interface
Privacy First:
• No servers — all operations are local
• No trackers or analytics
• No data collection
• Your password never leaves your device
Perfect for protecting sensitive documents before sending them via email, cloud storage, or any messaging platform.
Fog uses industry-standard PBKDF2 with 310,000 iterations for key derivation and AES-256-GCM for encryption, providing military-grade security for your files.
Mobile Support: Full-fledged work on smartphones through browsers with support for extensions. Limits: 150 MB (.fog), 100 MB (.fog.html) - depending on the technical characteristics of the device.