What Is Base64?
Base64 converts text or binary-safe content into ASCII characters that can travel through text-only systems.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back into readable text instantly in your browser.
DeveloperMode: EncodeChars: 0
Plain Text Input
Base64 Output
Privacy Safe
Encoding and decoding happens only in your browser, so nothing is uploaded to an external server.
Common Uses
Useful for data URIs, email attachments, authentication headers, API payloads, and embedded config data.