SCIENCE & TECHNOLOGY

URL Encoder / Decoder

URL Encoder / Decoder: This transforms text locally and does not visit the supplied URL.

SET UP FOR YOUR COUNTRY Country preferences

URL Encoder / Decoder for United States

US · 12,345.67US customary measurementsRoad distance: miles

United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

Switch countries to open a separate scenario. Your edits are kept while this calculator is open; use Save scenario to keep them on this device.

Your details

Transformed text

hello%20world%20%26%20friends

United States · calculated from your inputs

Your calculation, beautifully packaged.Download a report with this result, your inputs, the formula, and assumptions.

How this result was calculated

  1. Apply UTF-8 percent encoding for a URL component or preserve URI delimiters for a whole URL.
  2. Country setup: United States. Displayed measurements are converted to the formula's base units internally.

Assumption: This transforms text locally and does not visit the supplied URL. Malformed percent escapes are rejected; '+' is preserved, not treated as form-encoded space. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

Calculation version 1.0.0 · Support state: generic

Formula and method

Apply UTF-8 percent encoding for a URL component or preserve URI delimiters for a whole URL.

This calculation uses the values you enter. It runs in your browser and does not request a location or account.

Worked example

The component hello world encodes to hello%20world.

Questions people ask

Which method does this tool use?

Apply UTF-8 percent encoding for a URL component or preserve URI delimiters for a whole URL.

What should I check before using the result?

This transforms text locally and does not visit the supplied URL. Malformed percent escapes are rejected; '+' is preserved, not treated as form-encoded space.