Decode and inspect JWT tokens — view header payload and expiration without a secret key.
JWT Token
Note: tokens are decoded in your browser — no data is sent to any server.
JSON Formatter
Format, validate, and minify JSON with syntax highlighting and error detection.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text instantly.
HTML Encoder / Decoder
Encode special characters to HTML entities or decode HTML entities back to text.
URL Encoder / Decoder
Encode or decode URL query strings and percent-encoded characters.