Local File Locker - Encryptor

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Password protect and encrypt files instantly in your browser. A secure, local-first file locker where your data never leaves your device—no signups, no downloads.

No file chosen
About this tool - Browser-Based File Locker

Protect your files quickly and securely without installing any software. This tool works locally on your browser to safeguard your privacy.

  • 100% Private: Your files never travel across the internet. All locking and unlocking happens strictly inside your web browser.
  • Strong Local Protection: Uses high-grade local keys to transform your documents, pictures, or data into unreadable protected files.
  • Safe Storage & Share: Safely save your locked files onto any regular USB drive or cloud backup account knowing nobody else can open them.
  • Password Dependent: Your chosen password is the solitary key to your information. There are no backups kept anywhere on earth.
Frequently Asked Questions (FAQ)
Is the File Encryptor/Decryptor tool free?

Yes, the tool is completely free and works directly in your browser without any signup.

Does this tool upload my files to a server?

No. All encryption and decryption happens locally in your browser. No file is uploaded anywhere.

What happens if I lose my password?

If you lose your password, the encrypted file cannot be recovered. The password is the only decryption key.

Can I use this tool offline?

Yes, once loaded in your browser, the tool can work offline because all processing is client-side.

What type of encryption is used?

The tool uses AES-GCM encryption with PBKDF2 key derivation for secure file protection.

Can I decrypt files on another device?

Yes, you can decrypt files on any device as long as you use the same password and encrypted file.

Is this tool safe for sensitive data?

It is secure for personal use cases, but for highly sensitive or enterprise-grade security, additional auditing is recommended.

Features
  • Client-side AES-GCM file encryption
  • Password-based secure encryption
  • File decryption with same password
  • No server upload or cloud storage
  • Random IV and salt generation
  • Secure key derivation (PBKDF2)
  • Download encrypted/decrypted files
  • Works fully offline after load
Alternate Names

This utility can be found across different languages and contexts under the following operational names:

File Encryptor File Decryptor File Locker Secure File Vault Document Encryption Tool Browser File Protector Data Encryption Tool Private File Encryptor Secure File Manager File Security Tool Encriptador de archivos Desencriptador de archivos Datei Verschlüsselung Tool Outil de chiffrement de fichiers Ferramenta de criptografia de arquivos

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