UTF-8, not Latin-1 assumptions
Text is converted with Web Platform UTF-8 APIs, so accents, CJK characters and emoji round-trip correctly.
Base64 Studio
AvailableEncode and decode UTF-8 text locally with strict standard Base64 and Base64URL validation.
Runs locally. Your text never leaves this browser.
Browser-local codec
Encoding, decoding and validation happen entirely in this browser. No payload is sent to a Devary server.
Input
Enter UTF-8 text to encode.
Output
Encoded text using the selected alphabet and padding policy.
Inspection
Input characters
0
Input UTF-8 bytes
0
Output characters
0
Variant
Standard Base64
Security boundary
Base64 is reversible encoding. Never rely on it to protect credentials, tokens or confidential data.
Encoding is not encryption
Base64 only changes how bytes are represented. It does not hide, encrypt or protect secrets.