Text ⇔ bytes
Text ⇔ bytes lets you convert UTF-8 text to and from hexadecimal and binary bytes in your browser.
Base64 converter lets you encode and decode text or files as Base64 and Base64url in your browser.
⌂ Inputs and results stay in this browser and are not automatically stored or sent.
Waiting for input
Choose decode to inspect encoded characters or encode to convert original text. Match standard Base64 versus Base64url and text versus file input.
If decoded bytes are not readable UTF-8, inspect byte output. Unicode text and trailing newlines affect the result. Base64 is representation, not encryption or secrecy.
abcEach input is limited to 1,048,576 bytes, output to 33,554,432 bytes, and processing to 5,000 ms. Input is never silently truncated.
Text ⇔ bytes lets you convert UTF-8 text to and from hexadecimal and binary bytes in your browser.
JWT decoder lets you decode JWT headers, payloads, and time claims without claiming signature verification in your browser.