AbraCalc

URL Encoder

Percent-encode a string for safe use in URLs. Free, instant, no signup.

Embed this tool on your site

How to use this tool

  1. Enter text to url-encode in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your url-encoded and the full breakdown beneath it.

URL encoding (percent-encoding) replaces unsafe ASCII characters with a '%' followed by two hex digits, making strings safe to embed in URLs.

Frequently asked questions

What is URL encoding?
URL encoding converts characters that are not allowed in a URL into a percent-encoded format, e.g. a space becomes %20.

References & sources