URL Encoder / Decoder
Percent-encode or decode URLs and query parameter values.
How to use
Use encodeURIComponent for query parameter values. Use encodeURI when encoding a full URL while keeping protocol and slashes.
Frequently asked questions
Do you store the numbers I enter?
Calculations run in your browser. Inputs are not sent to our servers.
Are the results guaranteed accurate?
Standard formulas are used. Double-check important decisions with a professional or official source.