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Encode / Decode
Base64, URL, HTML entities, hex — convert without leaving the page.
Base64 Encode / Decode
Encode or decode Base64 strings instantly.
Encode / DecodeURL Encode / Decode
Percent-encode and decode URLs and query strings.
Encode / DecodeHTML Entity Encode / Decode
Escape and unescape HTML entities safely.
Encode / DecodeHex ↔ ASCII
Convert between hexadecimal and ASCII text.
Encode / DecodeBase32 Encode / Decode
Encode and decode RFC 4648 Base32 text.
Encode / DecodeBase58 Encode / Decode
Encode bytes with the Bitcoin Base58 alphabet.
Encode / DecodeBase64URL Encode / Decode
Convert UTF-8 text to URL-safe Base64 and back.
Encode / DecodePunycode Converter
Convert international domain names to and from ASCII.
Encode / DecodeBinary ↔ Text
Convert UTF-8 text to binary bytes and back.
Encode / DecodeROT / Caesar Cipher
Apply configurable alphabet rotation to text.
Encode / Decode