ENCODING UTILITIES
Base64 Encoder & Decoder
Encode UTF-8 text and local files to Base64 or decode Base64 and data URIs back into text or bytes. Preview images, choose URL-safe output and inspect byte-size overhead; processing stays in this browser.BYTE ENCODING STUDIO
Turn bytes into a portable string.
Encode text or a local file, then choose the Base64 variant your destination expects.
01
ON DEVICEChoose your bytes
13 bytes
02
LOCAL RESULTEncoded payload
0 output bytes
How this app works
Encode UTF-8 text or files up to 32 MB, optionally produce a MIME-tagged data URI, or decode Base64 into readable text or a downloadable binary file. Processing stays on this device.