🔁

Base64 & URL encoder/decoder

Text to Base64 or URL-encoded and back — locally in your browser

🔒 runs locally · no upload · no tracker

Encode and decode text to Base64 or URL encoding and back — fast and locally in your browser.

Output

💡 Why this tool?

Base64 and URL encoding come up daily for developers — in data URLs, tokens, APIs. A local codec avoids routing through dubious online tools.

Your benefits

  • ✓Two-way: encode and decode
  • ✓Unicode-safe (UTF-8)
  • ✓No upload — ideal for sensitive strings too

🔧 How it works

  1. 1Choose mode (Base64 or URL) and direction
  2. 2Enter text
  3. 3Copy the result

❓ Frequently asked questions

Is my data sent anywhere?▼
No. The conversion runs entirely locally in your browser. Nothing is uploaded.
What is Base64?▼
An encoding that represents arbitrary data as plain text — often used for email attachments, data URLs or tokens.
Does it work offline?▼
Yes. After the first load no internet connection is needed.