Encoding & hashing
- Base64 encodeEncode text to Base64 (UTF-8 safe).
- Base64 decodeDecode Base64 back to text.
- URL encodePercent-encode a string for use in URLs.
- URL decodeDecode a percent-encoded URL string.
- HTML escapeEscape <, >, &, ", and ' to HTML entities.
- HTML unescapeDecode HTML entities back to text.
- ROT13Shift each letter 13 positions — a classic Caesar cipher and self-inverting cypher.
- Text to binaryConvert text into space-separated 8-bit binary values (UTF-8 safe).
- Binary to textDecode 8-bit binary back into text.
- Text to hexConvert text into hexadecimal byte values (UTF-8 safe).
- Hex to textDecode hexadecimal byte values back into text.
- Strip HTMLRemove all HTML tags from a string and decode common entities — leaves plain text.
- Hash GeneratorMD5, SHA-1, SHA-256, SHA-384, SHA-512 — for any text.