Base64 Encoder & Decoder
Encode and decode Base64 online for free. Unicode-safe Base64 conversion with optional URL-safe output — runs entirely in your browser.
About Base64 Encoder & Decoder
Convert plain text to Base64 or decode Base64 back to readable text. Full Unicode support means accented and non-Latin characters are handled correctly.
Enable the URL-safe option to produce Base64url output for use in URLs and JWT tokens. No data ever leaves your browser.