Base64 converters
Turn bytes into ASCII, or reverse a Base64 string. Pick the alphabet your target system expects.
6 tools
Encode or decode
Use the Base64 encoder to write bytes as text. Use the Base64 decoder to recover bytes or text. Convert a local image or file, or turn Base64 into hex, from the same group. Encoding is not encryption.
- Base64 Decoder Decode a Base64 string to UTF-8 text, hex, or another encoding. Invalid input fails with a clear error.
- Base64 Encoder Turn text or encoded bytes into Base64. Pick the input encoding and the alphabet your target system expects.
- Base64 to Hex Base64 to hexadecimal.
- Base64 to Image Preview an image from Base64 or a data URL.
- File to Base64 Any local file to Base64. Does not parse PDF structure.
- Image to Base64 Local image to a Base64 data URL. Nothing uploaded.