URL Encoder
Encode text and special characters into percent-encoded format for URLs and query parameters.
Encoded output
Your result will appear here.
What is URL Encoder?
URL Encoder converts reserved, special, and non-ASCII characters into RFC 3986 percent-encoded format (%XX hexadecimal sequences) using encodeURIComponent. Essential for preparing query parameter values, path segments, and API payloads so they do not break URL routing or HTTP requests.
How to use URL Encoder
- 1Paste or type the text or parameter value you need to include in a URL.
- 2The tool percent-encodes all reserved and non-ASCII characters instantly.
- 3Click Copy to copy the percent-encoded string for your query string or API call.
Key features
Standard Percent-Encoding
Converts reserved characters into RFC 3986 %XX hexadecimal sequences using encodeURIComponent.
Query Parameter Safe
Properly encodes ampersands, question marks, equals signs, and slashes for safe URL query values.
UTF-8 Multilingual Support
Encodes non-ASCII Unicode characters into multi-byte percent sequences (e.g. %E4%BD%A0).
Instant Client-Side Processing
Encodes strings locally in your browser with zero network latency and complete privacy.
Examples & use cases
Query String Parameters
Percent-encoding spaces and ampersands in search terms
hello world & goodbye
hello%20world%20%26%20goodbye
URL Parameter Key-Value
Encoding an entire query assignment value
search=react js&page=1
search%3Dreact%20js%26page%3D1
Frequently asked questions
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