Encode or decode URLs and query parameters.
Encode text to Base64 or decode Base64 strings.
Encode special characters to HTML entities or decode entities like & and ' back to text.
Decode a JSON Web Token to see its header, payload and expiry time. Runs in your browser; the token is not sent anywhere.
Calculate percentages, increases, and decreases instantly.
Find the discounted price and savings on any item.
Generate SEO-friendly URL slugs from any text.