Base64 Encoder / Decoder
Encode or decode Base64 text, fully in your browser.
Encode and decode Base64 online for free. Convert text to Base64 and Base64 back to readable text instantly in your browser with zero uploads. Handy for sharing short payloads, inspecting tokens or fixing copy-pasted Base64 strings.
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Frequently asked questions
Can I decode Base64 here?
Yes. Paste the Base64 string and it is decoded to plain text instantly; any text can also be encoded to Base64 with one click.
Is my data private?
Completely. All encoding and decoding happens in your browser and nothing is sent to a server.
What is Base64 used for?
Decoding token-like strings, moving text through safe text-only channels, and encoding small pieces of data before embedding them.