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File Encryptor

πŸ”’ Client-Side Encryption

Your file is encrypted entirely in your browser using AES-256-GCM. The password and file never leave your device.

Select File to Encrypt

Encryption Password

β€’ Use a strong, unique password

β€’ Store this password securely - it cannot be recovered

β€’ The password is never stored or transmitted

⚠️ Important Security Notice

  • β€’ Keep your password safe - there's no way to recover encrypted files without it
  • β€’ Clear browser cache after encryption for additional security
  • β€’ Store encrypted files in a secure location
  • β€’ Consider backing up important files before encryption

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About the File Encryptor

The File Encryptor locks a file with strong AES-256 encryption and a password you choose, turning it into an unreadable, protected file that only someone with the password can open. It’s a straightforward way to secure sensitive documents.

Files often travel through email, cloud storage, and shared drives where they could be intercepted or accessed by the wrong people. Encrypting before you send or store means that even if the file is obtained, its contents stay private without the password.

Encryption happens entirely in your browser, so neither the file nor your password is ever uploaded. That client-side approach is essential for a security tool β€” your data never leaves your device, and there’s no account.

How to use the File Encryptor

  1. Upload the file you want to encrypt.
  2. Enter a strong password (and confirm it).
  3. Encrypt the file using AES-256.
  4. Download the encrypted file.
  5. Share the password securely and separately with the recipient.

Common use cases

  • Protecting a sensitive document before emailing or uploading it.
  • Securing files stored in the cloud or on a shared drive.
  • Encrypting personal records before backing them up.
  • Sending confidential files to someone safely.

Frequently asked questions

How strong is AES-256 encryption?

AES-256 is a widely trusted, industry-standard encryption used to protect highly sensitive data. With a strong password, it’s extremely resistant to brute-force attacks.

What happens if I forget the password?

There is no backdoor β€” without the correct password the file cannot be decrypted. Store your password safely, since losing it means losing access to the file.

Is my file or password uploaded anywhere?

No. Encryption runs entirely in your browser, so neither the file nor the password ever leaves your device.

How do I share the password with the recipient?

Send it through a separate, secure channel from the file itself β€” not in the same email. A password manager or a secure message is ideal.

How do I open the file later?

Use the File Decryptor with the same password to restore the original file.

πŸ™ Like this free tool?

If this tool saved you time or money, please consider supporting its development. Every bit helps keep privacy-focused tools free for everyone.

Or send directly:

πŸ“± CashApp $dennisyd🏦 Zelle: dennisyd@gmail.com