• Free File Encryption for Windows 11 and Windows 10

    Free File Lock

    Password protect individual documents, photos, videos, PDFs, archives and other sensitive files on your PC.

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Lock any Files

Password Protect Individual Files

Free File Lock is a Windows utility for encrypting individual documents, photos, videos, audio files, archives, PDFs and other files with a passphrase. It supports Windows 11 and Windows 10. Keep an unencrypted backup until you have tested that the protected file can be decrypted successfully.

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Protect Private Documents and Media

Use a password to restrict casual access to sensitive business documents, personal photos, videos and other private files. Free File Lock protects files one at a time; it does not claim to replace BitLocker, device encryption or a complete backup strategy.

Secure Encryption Algorithms

Choose the Cipher and Hash

The program provides several cipher and hash choices. When available, prefer a modern option such as Rijndael with SHA-256 or stronger, and record the selected settings because the same choices are required for decryption. Legacy options such as DES, MD5 and SHA-1 are retained for compatibility and should not be your first choice.

Decrypt File

Decrypt File

The file lock also features with decryption function which helps decrypt your previous locked files. It brings you convenience to remove restrictions for anyone to access and share your files for editing, printing, listening, watching, etc.







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Why use Free File Lock

  • Recognized as #1 file encrypter software for 6 years.
  • Loved by 5 Million users.
  • 100+ Awards from computer & software websites

Our guarantee:

Free to download. The current installer SHA-256 is
08BCF375CAEF8B2959D87838B8B782BAB28AFDF817C7F947343BC067945901C0.

Screenshots

What you see is what you get


Download Free File Lock for Windows

Frequently Asked Questions

Can I password protect files on Windows 11 Home?

Yes. Free File Lock is a separate desktop utility and does not depend on Windows Pro-only EFS features. Test the encrypted output before deleting the original file.

Does Free File Lock lock an entire folder?

The program is designed for individual files. To protect a folder, encrypt the important files inside it individually or use an encrypted archive or drive. Do not describe a hidden folder as encrypted unless its contents are actually encrypted.

What happens if I forget the passphrase?

There may be no practical recovery method. Store the passphrase in a trusted password manager and keep a separate backup of important files.

Which encryption option should I choose?

Prefer a modern option such as Rijndael and SHA-256 or stronger when available. Avoid legacy choices such as DES, MD5 and SHA-1 for new sensitive data.

Tutorials

What can you do with Free File Lock

How Does Free File Lock Work in Detail
How to Password Protect Files in Windows 11

Follow four illustrated steps to select a file, choose an output location and encryption settings, and protect it with a strong passphrase on Windows 11 or Windows 10. [More...]

How to Unlock Files
How to Decrypt and Restore Files

Learn how to select an encrypted file, reuse the same cipher and hash settings, enter the correct passphrase, and restore a readable copy safely. [More...]

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