URL Encoder / Decoder – Percent Encoding Tool

Encode special characters for safe URL transmission, or decode percent‑encoded strings back to readable text.

What is URL Encoding?

URL encoding (percent‑encoding) replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits. It ensures that URLs can be transmitted over the internet without corruption.

Common uses: encoding query parameters, form data, and spaces (%20) or slashes.

FAQs

Why do I need to encode URLs?
Spaces, brackets, and other special characters can break URLs. Encoding makes them safe.
Does this tool support UTF‑8?
Yes – uses standard JavaScript encodeURIComponent/decodeURIComponent which handles UTF‑8.