Base64 Encoding & Decoding Tools

Base64 encoding converts binary data into plain text using 64 safe ASCII characters — common for JWT tokens, email attachments, data URIs, and APIs that transmit binary as text. Encode data for transmission or decode Base64 back to readable content.

Base64 Tools

• Base64 Encoder

  Convert plain text or binary data to Base64. Paste your input and click Run — useful for API payloads, data URIs, email attachments, and JWT segments.

• Base64 Decoder

  Turn Base64 strings back into readable text or raw data. Paste encoded input and click Run — handy for inspecting JWT payloads and API responses.