Base64 Encode Decode
Encode text to Base64 or decode Base64 to text. Uses browser atob/btoa. All processing in your browser.
Base64 encode / decode
How it works
Encode: we use btoa() on the UTF-8 encoded string (with unescape/encodeURIComponent for Unicode). Decode: atob() then decode URI component.
When to use it
Use this when you need a quick result without installing software or creating an account.
Frequently asked questions
Unicode support?
We encode/decode UTF-8. Multi-byte characters are supported.