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Base64 Encoder / Decoder

Encode and decode Base64. Text or files.

Output
SGVsbG8sIHdvcmxkIQ==
Or encode a file

About

Paste text or upload a file and get the Base64 encoding. Or paste Base64 and get the original text or file back. Handles UTF-8 cleanly. Useful for embedding images in CSS data URIs, decoding JWT payloads, or just inspecting Base64 you've encountered.

How to use

  1. Pick Encode or Decode.
  2. Paste text or drop a file.
  3. Copy the result.

FAQ

Is my data uploaded anywhere?+

No. Encoding and decoding happen in the browser. Files never leave your device.