Query component
text = Hello world & more?mode = component
Result: Hello%20world%20%26%20more%3F
URL Encoder
Encode text so it is safe to use inside URLs. "Encode component" percent-encodes everything except unreserved characters (the right choice for query parameters and path segments); "Encode full URI" preserves reserved characters like /, :, and ?. All processing is local.
Privacy: this tool processes your data entirely in your browser. Nothing you paste or type is sent to the server.
Enter your values and press Calculate — the result appears here.
Worked examples
Full URI keeps the scheme and slashes
text = https://example.com/a b?q=c dmode = uri
Result: https://example.com/a%20b?q=c%20d
Frequently asked questions
What is the difference between the two modes?
Component encoding escapes reserved characters too, so it is right for a single query value. Full-URI encoding leaves reserved characters (/, :, ?, #, &, =) alone, so it is right for encoding an entire address.
Is percent-encoding reversible?
Yes — this tool pairs with the URL Decoder. Characters are represented as %XX sequences that decode back to the original text.
Does the tool handle Unicode?
Yes. Non-ASCII characters are encoded as UTF-8 percent sequences (for example é becomes %C3%A9), matching what server-side encoders produce.
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