url • encode • decode
https%3A%2F%2Fflashman.dev%2F%3Fq%3Dhello%20world
Percent-encode or decode URL components for query strings, redirect URLs, and form submissions. Correct encoding prevents broken links and parsing errors.
Your input is processed in the browser. We do not upload tool payloads to our servers.
hello world becomes hello%20world when encoding for use in a URL.
hello%20world
Percent-encoding rules for query strings, paths, and plus signs in form data.
Read: URL encoding: common mistakes and fixes →