Encode · Developer

Base64 Encode / Decode

Convert text to Base64 and back — including URL-safe variants.

How to use

  1. Choose encode or decode.
  2. Paste input.
  3. Copy the result.

Features

  • UTF-8 safe
  • URL-safe option
  • Runs in your browser. Inputs are not uploaded to ToolsWeb servers.

Privacy & how it works

This developer utility runs in your browser with JavaScript and Web APIs. Your text, tokens, and secrets are not uploaded to ToolsWeb servers for this tool. Privacy Policy.

FAQ

Why did decode fail?expand_more

Input must be valid Base64. For URL-safe strings, enable the URL-safe option.

Is this tool free?expand_more

Yes. No signup and no paywall for core use.

Is my text uploaded?expand_more

No for this tool. Text stays in your browser while you work.

Do I need an account?expand_more

No. Open the page and start typing or pasting.