URL Encoder / Decoder

Plain URL / String

Encoded Output

Frequently Asked Questions

What is URL encoding?

URL encoding (also called percent-encoding) converts characters that are not allowed in URLs into a format that can be transmitted over the internet. Special characters like spaces, ampersands, and equal signs are replaced with a % sign followed by their two-digit hexadecimal code — for example, a space becomes %20.

When to use URL encoding

URL encoding is required when passing special characters in query parameters or path segments. For example, if a search query contains a space or ampersand, it must be encoded before being included in a URL. Without encoding, these characters would break the URL structure or be misinterpreted by the server.

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Encode special characters to HTML entities or decode them back to plain text.