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URL Encoder/Decoder
Encode or decode URL components for safe web usage
What is URL Encoder/Decoder?
Encode special characters in URLs to their percent-encoded equivalents or decode percent-encoded URLs back to readable text. URL encoding is essential for passing query parameters, handling special characters in web addresses, and building safe API requests. This tool handles all reserved and unsafe characters according to RFC 3986 standards, processing everything instantly in your browser.
How to Use URL Encoder/Decoder
- 1Choose 'Encode' to convert text to URL-safe format, or 'Decode' to convert back
- 2Paste your text or URL-encoded string into the input field
- 3Click the Encode or Decode button
- 4Copy the result from the output area
Frequently Asked Questions
URL encoding (also called percent-encoding) replaces unsafe ASCII characters with a '%' followed by their hexadecimal value. For example, a space becomes '%20' and an ampersand becomes '%26'. This ensures URLs are transmitted correctly across the internet.
You need URL encoding when including special characters in query string parameters, form data, or any part of a URL. Characters like spaces, ampersands (&), equals signs (=), and non-ASCII characters all need encoding to avoid breaking the URL structure.
encodeURI encodes a full URL but preserves characters that have meaning in URLs (like ://?#). encodeURIComponent encodes individual URL components and also encodes those reserved characters. This tool uses encodeURIComponent, which is the safer choice for query parameters.
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