Encoding tools
Base64, URL, hex, and other encoders and decoders: text in, text out, computed entirely in your browser.
9 tools
- Base64
Encode and decode, with a URL-safe alphabet option.
- URL encoder
Percent-encode components or whole URIs, and back.
- Image ⇄ Base64
Image files to data URLs and back. The format is read from the bytes, dimensions are decoded, and nothing is re-encoded.
- Base32 encoder
RFC 4648, base32hex, Crockford, and z-base-32 with separate alphabets.
- Base58 encoder
Bitcoin-alphabet Base58 with an optional Base58Check checksum.
- Base62 encoder
Base62 over an explicit alphabet, with duplicate characters refused.
- Hex dump
Offsets, hex columns, and ASCII gutters with search and paging.
- HTML entities
Named and numeric entity encoding and decoding, ambiguous & preserved.
- Punycode / IDN
Unicode hostnames to xn-- labels and back, with homograph warnings.
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