URL Encode/Decode Online Tool - Free URL Encoding/Percent Encoding Converter | Developer Essential Tool

This tool can encode and decode URLs. URL encoding converts special characters to % followed by hexadecimal numbers, while decoding does the opposite.

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Current Tool Introduction

URL Encoder/Decoder is a professional online tool for safe URL conversion, quickly transforming special characters in URLs into percent-encoded format (using % followed by hexadecimal digits) or performing reverse decoding operations. It helps front-end developers, backend engineers, API integrators, and website administrators easily handle encoding issues in URL parameter transmission. The tool offers a bidirectional interface: Encode mode converts non-safe characters such as Chinese characters, spaces, and symbols into RFC 3986-compliant percent-encoded format; Decode mode restores encoded URL strings back to their original text. In everyday development, URL encoding is widely used in GET request parameters, form data submission, API calls, and cookie storage. If a URL containing Chinese characters, spaces, or special symbols is not properly encoded, it may lead to request failures, parameter loss, or security vulnerabilities. With a clean and simple interface, users simply paste text or upload content, click the corresponding button, and instantly get the encoded or decoded result, with real-time character count display for easy length validation. Whether handling query parameters during API debugging, constructing redirect links on the front end, or parsing request paths on the server side, URL Encoder/Decoder provides accurate and efficient conversion support, making it an essential basic tool for web development and cybersecurity work.