Encrypt & Decrypt Files Online
Use our free file encryption tool to secure your files. All operations happen in your browser, ensuring your data never leaves your computer.
Encrypt File
Upload a file to encrypt it. Your file is never sent to a server.
Click to upload or drag and drop
How Our Online Encryption Tool Works
Browser-Based File Encryption
Select a file to encrypt files online. FileArmor uses the secure Web Crypto API for online AES encryption, generating a unique key on your device.
Secure Key Handling for Decryption
Your file is encrypted with the generated key. You get both the encrypted file and the key required for safe online file decryption later.
No-Download Tool with Ultimate Privacy
All operations happen on your device. Your files and keys are never uploaded, making this a truly secure file encryption website.