URL Decode

Need to decode a percent-encoded URL back to its readable form? The Online URL Decoder tool quickly converts encoded strings like %20, %3A, and %2F into human-readable text.

Whether you're debugging URLs, sanitizing query parameters, or working with JavaScript links, this free tool simplifies the process without any installation or login.

Decode up to 10,000 characters instantly in your browser. Fully local, no uploads required.

How to Use Online URL Decoder

1. Paste your encoded URL or string into the top text box.

2. Click the "Decode" button.

3. Instantly view the decoded output in the bottom text area.

4. Use the copy button to save the decoded result to your clipboard.

This tool works in real time and is especially useful when decoding multiple encoded characters in long strings.

Key Features of Online URL Decoder

• One-click decoding for any percent-encoded URL string

• Supports all standard encoding characters like %20, %3C, %3E, and more

• Runs 100% in your browser using JavaScript

• No need for installation, login, or internet after page load

• Works with URLs, GET parameters, redirects, and encoded emails

• Large input support — up to 10,000 characters at once

Online URL Decoder Use Cases

• SEO professionals decoding long query strings for analysis

• Web developers debugging URLs from APIs, redirects, and server logs

• Email marketers decoding redirect URLs from newsletters and campaigns

• Students learning how web encoding/decoding works

• Cybersecurity analysts sanitizing and analyzing suspicious encoded URLs

Related Tools

• URL Encode – Use together to switch between encoded and decoded formats, perfect for testing how browsers interpret URLs.

• HTML Decode – Great for decoding HTML entities in anchor links after decoding their URLs.

• URL Parser – After decoding, break down the structure of a URL into its components.

• JavaScript Deobfuscator – Helpful for analyzing obfuscated JS snippets that include encoded URLs.

• Base64 Decode – Decode base64 content found within URLs or API payloads.

FAQs About Online URL Decoder

What is URL decoding?

URL decoding is the process of converting percent-encoded strings (e.g., %20, %2F) back into their readable character equivalents (e.g., space, slash).

Why are URLs encoded?

URLs are encoded to safely transmit special characters through HTTP. Characters like spaces, slashes, and quotes must be converted into a standardized format so web servers can interpret them correctly.

Is this tool safe for confidential URLs?

Yes. All decoding is done locally in your browser with no data transmission. Your input never leaves your device.

Can I decode full URLs including query parameters?

Absolutely. You can paste entire URLs with query strings, and this tool will decode every encoded character.

What is the difference between encoding and decoding?

Encoding converts readable characters into percent notation (e.g., space to %20), while decoding does the reverse — converting %20 back to a space.

Does this tool support UTF-8 characters?

Yes, the decoder handles UTF-8 encoded characters properly. Characters from languages such as Japanese, Arabic, or emojis are decoded if encoded in standard format.

Can I decode large data?

Yes. This tool supports inputs up to 10,000 characters, which is sufficient for most developer and marketing needs.

What happens if I paste a non-encoded URL?

Nothing breaks — the tool simply returns the original input as-is. It’s smart enough to handle clean URLs without altering them.

Can this tool decode multiple layers of encoding?

Currently, it decodes one layer. For double-encoded strings (e.g., %2520), you can run the output again to decode further.

Does this tool work offline?

Once the page loads, yes. Since it's fully browser-based, you can disconnect from the internet and still use it.

Are special symbols like + treated as space?

No. In standard URL decoding, + is not treated as a space unless you're decoding query strings specifically from form submissions. You’ll need to manually convert those.

Does it support batch decoding?

No. It decodes one input string at a time. However, you can paste multiple lines together and decode them as one block.

Is there a limit on output size?

The decoded output is displayed in real time with no limit other than browser memory and screen rendering.

Security & Privacy

• All decoding is done client-side in your browser

• No uploads, no tracking, no storage

• Ideal for secure, sensitive, or offline use

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