Developer

URL Encoder

Percent-encode text for safe use inside query strings, paths, or redirect parameters.

Last reviewed: April 30, 2026Free toolMethodology

URL Encoder

These fields start with sample inputs. Keep them or replace them, then run the tool to show a fresh result.

Output

Calculating the sample result.

Why it matters

URL encoding prevents spaces, punctuation, and reserved characters from breaking links or changing parameter meaning.

When to use

  • Building query strings
  • Preparing redirect or callback URLs
  • Escaping unsafe characters in tracking links

Inputs & Outputs

Inputs

  • Input text is the raw value or string segment that needs percent encoding.

Outputs

  • Encoded output shows the safe URL-encoded version of the input.
  • Copy-ready output makes it easy to paste directly into a URL or docs.

Percent-encoding method

The tool converts reserved or unsafe characters into percent-encoded byte representations while leaving safe characters readable.

URL encoding converts unsafe characters into %HH byte sequences

Worked example

1

UTM parameter cleanup

A marketer needs to encode a landing page URL before passing it as a nested redirect parameter.

Inputs

  • Input text: https://example.com/pricing?plan=pro&region=eu

Steps

  • Apply percent encoding to characters that need escaping inside a URL component

Result

  • The encoded output can be placed safely inside another URL.

Edge cases & caveats

  • Encode only the segment you need. Encoding an entire URL incorrectly can break separators you wanted to keep.
  • For full URLs, you often need component-aware encoding rather than blanket rewriting.

Frequently Asked Questions

What is the difference between encoding a full URL and a query parameter?

A full URL keeps separators like : and / meaningful, while a nested parameter value usually needs those characters encoded.

Will this encode spaces?

Yes. It percent-encodes spaces and other reserved characters so the output is safe for URL use.

Keep going

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