Encoding / Decoding

Encoding / Decoding online tools, 9 in total: Base64 Encode / Decode, Hex Encode / Decode, URL Encode / Decode, ROT13 Encoder / Decoder, Base32 Encode / Decode, SQL Escape Tool, HTML Escape / Unescape, JSON Escape / Unescape, JWT Decoder & Generator – Decode or Create JSON Web Tokens. Everything runs in your browser — no uploads or sign-up.

All tools
Base64 Encode / DecodeLocalEncode text to Base64, or decode Base64 back to text.
Hex Encode / DecodeLocalConvert text to hex, or hex back to text.
URL Encode / DecodeLocalPercent-encode text, or decode a URL back to text.
ROT13 Encoder / DecoderLocalApply ROT13 or a custom Caesar shift to text.
Base32 Encode / DecodeLocalEncode text to Base32 (RFC 4648), or decode Base32 back to text.
SQL Escape ToolLocalEscape or unescape a string for safe use inside a SQL string literal.
HTML Escape / UnescapeLocalEscape HTML entities, or convert entities back to characters.
JSON Escape / UnescapeLocalEscape text into a valid JSON string, or unescape it back.
JWT Decoder & Generator – Decode or Create JSON Web TokensLocalDecode the header and payload of a JWT, or generate a signed JWT, entirely in your browser.