Free · Runs on your device · No signup

Secure Random Token Generator

Generate bounded cryptographic random bytes as hexadecimal, Base64, or Base64URL entirely in the browser.

Generated values and inputs stay in browser memory in this tab. Nothing is uploaded, logged, saved, or added to the URL.

Choose a byte length and generate.

Enter text and choose an action.

Why this tool is different

Choose raw byte length and review raw bit count and encoded output length.

Requirements and recommendations

Use Secure Token Generator

  • Enter or configure the source values.
  • Choose the relevant mode and run the action.
  • Review the result before copying or downloading it.
How OpenFileTools processes it

Local processing, explicit choices.

OpenFileTools performs this generation locally in the browser after an explicit action.

Frequently asked

Questions, answered.

Is any input uploaded?

No. Input and results stay in memory in the current browser tab.

What should I verify?

Random tokens are not automatically passwords, encryption keys, or authenticated credentials.