Encode a redirect URL
https://example.com/landing page?utm_source=newsletter
https%3A%2F%2Fexample.com%2Flanding%20page%3Futm_source%3Dnewsletter
Encode URL components, decode percent-encoded text, and parse query parameters.
Runs locally in your browser. Your input is not uploaded.Encoded, decoded, or parsed output will appear here.
Copy patterns and edge cases worth checking.
https://example.com/landing page?utm_source=newsletter
https%3A%2F%2Fexample.com%2Flanding%20page%3Futm_source%3Dnewsletter
https://example.com/?utm_source=google&utm_medium=cpc&utm_campaign=spring
utm_source = google utm_medium = cpc utm_campaign = spring
Short answers before you paste real data.
Percent encoding represents reserved URL characters with a percent sign and hexadecimal code so they can travel safely in URLs.
No. If the input contains broken percent sequences, the tool shows a clear error instead of guessing.
No. Parsing is local string processing and does not request the page.
Useful next steps that also run locally in your browser.
Build clean campaign URLs with source, medium, campaign, term, and content parameters.
Encode text to Base64 or decode Base64 back to UTF-8 safely in your browser.
Format, minify, and validate JSON with calm parse errors and copy-ready output.