Base64 Encoder / Decoder
Encode plain text to Base64 format or decode a Base64 string back to readable text instantly. Used by developers for APIs, authentication tokens, and data encoding.
How to use Base64 Encoder / Decoder
- To encode: paste or type your plain text in the input box, then click Encode to Base64.
- To decode: paste a Base64 string in the input box, then click Decode from Base64.
- The result appears instantly in the output box below.
- Click Copy Result to copy the output to your clipboard.
Base64 is commonly used in APIs, email attachments, data URIs, and HTTP Basic Authentication headers.