Base64 Encoder / Decoder

Developers often need to encode strings into Base64 for data URIs, basic authentication headers, or safe JSON transmission. Our real-time converter makes this effortless.

• 1Select your Mode: Click the toggle switch above the input box to choose between Encoding (Text to Base64) or Decoding (Base64 to Text).
• 2Enter your Data: Paste your source text or Base64 string into the input box. The conversion happens instantly as you type.
• 3Copy the Result: If you are decoding an invalid string, an error banner will let you know. Otherwise, click "Copy" to grab the output.