URL Decode Online
Online tool to decode and encode URLs in the browser
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What is URL Decode Online?
URL Decode Online is a free, browser-based tool for decoding and encoding URLs. It works entirely on the client side, ensuring your data stays private and never leaves your device. With real-time processing, you get instant results as you type or paste your URL.
Key capabilities include:
- Multi-layer decoding: automatically detects and resolves multiple layers of percent-encoding.
- Full UTF-8 support: correctly handles international characters and emojis.
- Error detection: identifies malformed encoding and shows helpful error messages.
Whether you're debugging API requests, inspecting query parameters, or working with internationalized URLs, this tool provides a fast, distraction-free experience for developers and anyone who works with web addresses.
How to use URL Decode Online
- 1
Paste your encoded URL or text into the input field.
- 2
The tool instantly decodes it in real-time; for encoding, type text and click Encode.
- 3
Review the output field for the decoded or encoded result.
- 4
Click the copy button to save the result to your clipboard.
Key features
Multi-layer decoding: automatically detects and resolves multiple layers of percent-encoding.
Full UTF-8 support for international text, emojis, and any language.
Error detection with clear messages for malformed URL encoding.
Client-side processing ensures privacy; your data never leaves your device.
Real-time decoding and encoding as you type or paste.
Use cases
- Debug REST API requests by decoding encoded query parameters and path segments.
- Read and verify internationalized URLs containing Chinese, Japanese, Arabic, or emojis.
- Clean up percent-encoded URLs for readability and manual inspection.
- Identify and fix malformed URL encoding errors during development.
- Quickly encode text for safe inclusion in URLs or query strings.
Best for
Web developersAPI developersBackend engineersQA engineersTechnical supportStudents learning HTTP
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Frequently asked questions about URL Decode Online
Common questions to help you decide if URL Decode Online is right for you.
URL decoding (percent-decoding) converts encoded characters like %20 back to their original form. Special characters are replaced with percent-sign and hexadecimal digits to ensure safe transmission.
Paste your URL into the input field at the top of this page. It automatically decodes in real-time as you type. Click the copy button to save the result. No registration or payment required.
Percent-encoding replaces special characters with % followed by their ASCII hex value, allowing URLs to use only safe ASCII characters. This ensures compatibility across all browsers and servers.
URLs can only contain a limited set of ASCII characters. Encoding special characters (spaces, ampersands, etc.) and non-ASCII text ensures correct transmission without corruption.
Yes, type your plain text and click the Encode button; the tool will percent-encode it instantly. You can switch between decode and encode workflows with one click.