URL Encode / Decode

Text Client-Side Privacy

Percent-encode and decode URLs with support for full and component encoding.

https%3A%2F%2Fexample.com%2Fsearch%3Fq%3Dhello%20world%26lang%3Den

How to Use URL Encode / Decode

Follow this simple step-by-step guide to get the most out of our free online URL Encode / Decode:

  1. 1
    Select Encode or Decode on the first toggle to set the direction of the conversion.
  2. 2
    Select Component for encodeURIComponent or Full URI for encodeURI on the second toggle.
  3. 3
    Enter the text or URL in the Input textarea, using Clear to start over.
  4. 4
    Take the converted string from the Output panel with the copy control next to it.

Key Features & Capabilities

Zero Uploads

Execution occurs 100% locally in your browser memory for maximum privacy.

Instant Latency

Zero network lag or server queues — get results instantaneously as you type.

Quick Export

One-click copy to clipboard or instant file download options built right in.

Technical Specifications & Privacy Guarantee

At utilitiestools.net, privacy and data security are core design principles. When using URL Encode / Decode, your inputs are parsed and processed locally via client-side JavaScript execution engine. No plain text, uploaded media, or API tokens are transmitted over the internet or logged into remote server infrastructure.

Common Practical Use Cases

  • API Testing: percent-encode a query parameter value containing spaces and ampersands before appending it.
  • Analytics: decode a UTM-laden campaign link from a report to read the original source and medium values.
  • Web Development: encode a redirect target so it survives being carried inside another URL's query string.
  • Support Engineering: decode a percent-escaped path from a server access log to see which resource was requested.

Frequently Asked Questions

Component uses encodeURIComponent, which escapes reserved characters such as :, /, ? and & so the result is safe as a parameter value. Full URI uses encodeURI, which leaves the structural characters of a whole URL intact.