Uint8Array base64 and hex conversion
Newly Available (since 2025-09-05)
Expected to be Widely Available on 2028-03-05
The Uint8Array object methods fromBase64(), toBase64(), and setFromBase64() convert to and from base64 strings. The fromHex(), toHex(), and setFromHex() methods convert to and from hex strings.
Browser support
- Chrome 140 Released on 2025-09-02
- Chrome Android 140 Released on 2025-09-02
- Edge 140 Released on 2025-09-05
- Firefox 133 Released on 2024-11-26
- Firefox for Android 133 Released on 2024-11-26
- Safari 18.2 Released on 2024-12-11
- Safari on iOS 18.2 Released on 2024-12-11
MDN documentation
Specifications
- ECMAScript® 2027 Language Specification (#sec-additional-properties-of-the-uint8array-constructor), from TC39 (Ecma International).
- ECMAScript® 2027 Language Specification (#sec-additional-properties-of-the-uint8array-prototype-object), from TC39 (Ecma International).
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