Encode and decode URLs, query strings, and text locally in your browser.
Local developer URL tool
Encode reserved characters for URLs or decode percent-encoded strings with selected inputs processed locally in your browser.
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Encode reserved characters for URLs or decode percent-encoded strings with selected inputs processed locally in your browser.
Selected inputs are processed locally in your browser for this workflow. The public site may load ads and analytics; use the privacy build for privacy-sensitive workflows.
Use the controls on this page, review the output in your browser, then copy or download the result.
URL encoding is useful for query strings, API calls, redirects, search parameters, and debugging links that contain spaces, Unicode, or reserved characters.
Use full URL mode when the URL structure should stay readable. Use component mode when encoding a single query value or path segment.
Yes. You can encode, decode, copy, and clear text without signup.
No. All URL encoding and decoding happens locally in your browser.
Full URL mode keeps URL separators such as : / ? and & readable. Component mode encodes those reserved characters too.
Yes. UTF-8 text, emojis, accents, and non-Latin scripts are supported.
The tool shows a friendly warning and keeps your original input.
ConvertUnlimited does not provide a server-side upload endpoint for this URL encoding and decoding flow. Text input is processed locally in your browser.
ConvertUnlimited is provided as is. Review encoded or decoded output before using it in production systems.
Files are processed locally where supported. Review the Trust Center for the processing model and the Privacy Policy for public-site privacy boundaries.