Base64 Encode/Decode

Convert text or images to and from Base64. Pick a variant, choose a character set, and round-trip your data - all in your browser.

100% in-browser

Base64 variant

Standard

RFC 4648 §4 · A-Z a-z 0-9 + /

URL-safe

RFC 4648 §5 · uses - and _

No padding

Standard alphabet, no = chars

MIME

RFC 2045 · 76-char line wrap

Plain text

0 bytes · 0 chars

Base64

0 chars