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Privacy & Safe Sharing

Local File Encryptor.

Files, text, passwords, tokens and results remain in this browser. Encrypt one or more files with authenticated encryption and a user passphrase. Uses explicit bounds and independent local verification.

Use Local File Encryptor

Private in this browser. No network request, localStorage, IndexedDB or OPFS is used for operation data.

No file selected.
Tool options

Options appear after the file is inspected locally.

Preparing the local tool…

How it works

  1. 01

    Enter bounded data or choose a local file.

  2. 02

    Set the disclosed options and run the operation.

  3. 03

    Review the independently verified result and limitations.

Frequently asked questions

Is the result a security certificate?

No. It covers only the disclosed local operation and its independent checks.

Does Local File Encryptor upload my data?

Local File Encryptor runs locally in your browser. No network request, localStorage, IndexedDB or OPFS is used for operation data.

What output does Local File Encryptor create?

Local File Encryptor creates Ltenc output after the result passes its local verification checks.

Local File DecryptorDecrypt files produced by the site after user supplies the correct passphrase. Uses explicit bounds and independent local verification.Password GeneratorGenerate passwords or passphrases locally using cryptographic randomness. Uses explicit bounds and independent local verification.Password Strength CheckerEstimate strength locally without transmitting the password or claiming certainty. Uses explicit bounds and independent local verification.
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