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Encode and decode URL components.
URL Encoder/Decoder is a free browser-based tool that helps you encode and decode url components. It is part of ToolsMonk's developer tools collection, so you can finish the job without downloading software, creating an account, or jumping between multiple websites.
This tool is especially useful for workflows such as encoding a query-string value so special characters don't break the url, decoding an encoded url or parameter to read it during debugging, and building correct links with names, search terms, or symbols in them. Because it runs directly in your browser, you can use it on desktop, tablet, or mobile while keeping the process fast and easy for one-off tasks as well as repeat work.
URL Encoder/Decoder is designed for people who want a practical, privacy-friendly workflow with instant results inside the larger ToolsMonk library.
Paste your text or encoded URL
Choose encode or decode
The converted result appears instantly
Copy it into your link, request, or code
Encode text for safe use in URLs and decode percent-encoded strings back
Handles spaces, symbols, and Unicode characters correctly
Instant conversion as you type
One-click copy of the result
Runs in your browser — your data is never uploaded
Free, with no signup
Encoding a query-string value so special characters don't break the URL
Decoding an encoded URL or parameter to read it during debugging
Building correct links with names, search terms, or symbols in them
Fixing a URL that's failing because of unescaped characters
URL Encoder/Decoder is a powerful free online tool available on ToolsMonk that helps you encode and decode url components. Whether you're a professional, student, or casual user, our url encoder/decoder provides instant, accurate results right in your browser without requiring any software installation or account creation.
As part of our Developer Tools collection, this tool is designed with simplicity and power in mind. All processing happens client-side, ensuring your data remains completely private and secure. The tool works seamlessly across all modern browsers on desktop, tablet, and mobile devices.
URL Encoder converts text into percent-encoded form that's safe to place in a URL, and decodes it back to readable text. URLs only permit a limited character set, so spaces and symbols must be escaped (a space becomes %20) to avoid breaking the link.
You reach for it whenever a value going into a URL might contain special characters — search terms, names, query-string parameters, anything user-supplied. An unencoded & or # can prematurely terminate or misroute a URL, which is a frequent cause of broken links and dropped parameters.
A key subtlety: encode the values that go inside a URL, not the whole URL. Structural characters like : / ? & must remain literal in the URL skeleton, so wholesale-encoding a complete URL would escape those and break it. Encode the pieces, keep the structure intact.
Unicode is handled via UTF-8 percent-encoding, so non-English characters work, and everything runs in your browser so nothing is uploaded. Pair it with the Base64 Encoder and JWT Decoder for a full request-debugging toolkit.
Encode parameter values, not the whole URL — escaping the : / ? & in the structure will break the link
If a link breaks at an &, # or space, an unencoded value is almost always the cause
Use this alongside the Base64 Encoder when a parameter needs both Base64 and URL-safe encoding
Common questions about this tool, its workflow, and what to expect before you use it.
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