Which encoding does it use?

Percent-encoding via encodeURIComponent — safe for query-string values and path segments.

Does it encode spaces as + or %20?

%20. The decoder accepts + as a space too, since query strings in the wild use both.

encoders · Integration Studio Tool

URL Encode

Percent-encode text for URLs and query strings.

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This tool runs entirely on your computer. What you paste or drop is never uploaded, never stored and never seen by us — close the tab and it's gone. How we know

Input

Output

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Worked example

Input

a b&c

Output

a%20b%26c

This example is one of URL Encode's test cases — if the tool stopped producing this output, the build would fail.

Questions

Which encoding does it use?: Percent-encoding via encodeURIComponent — safe for query-string values and path segments.
Does it encode spaces as + or %20?: %20. The decoder accepts + as a space too, since query strings in the wild use both.

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