Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to plain text, instantly, entirely in your browser.
Examples
Encoding
Hello, Adikya!
SGVsbG8sIEFkaWt5YSE=
Decoding
SGVsbG8sIEFkaWt5YSE=
Hello, Adikya!
FAQ
No. Encoding and decoding happen entirely in your browser using the standard Base64 and Unicode APIs — nothing you type ever leaves your device.
Yes. Text is encoded as UTF-8 before conversion, so emoji and non-English characters round-trip correctly.
The tool shows an error message instead of incorrect output — it never guesses at malformed input.
Related Tools
Guide
Paste your text, choose Encode or Decode, and click Convert. Switch modes at any time — your input is preserved.