Base64 Encoder / Decoder
Encode and decode Base64 online for free. Paste text to convert it to Base64, or paste Base64 to turn it back into text. It's safe with accents and special characters (UTF-8) and runs entirely in your browser.
Result includes the full data URL prefix
How to use
- 1Choose whether to encode or decode.
- 2Paste the text or the Base64 code into the box.
- 3Copy the converted result.
What it's for
- Decode tokens or headers that come in Base64.
- Encode text to include it in URLs or config files.
- Inspect the contents of a data URI.
- Convert small chunks of data while developing.
Frequently asked questions
Is the tool free?
Yes. It's completely free with no usage limits.
Is my data sent to a server?
No. Encoding and decoding happen in your browser. Nothing is sent or stored.
Does it work with accents and emojis?
Yes. The conversion uses UTF-8, so accents, special characters and emojis are handled correctly.
What is Base64?
It's a way of representing binary data or text using just 64 ASCII characters. It's widely used to carry data as text, such as in emails, URLs and data URIs.
Do I need an account?
No. The tool works right away, with no signup or login.