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URL Encoder / Decoder

encode and decode URL percent-encoding for query strings and paths

The URL Encoder / Decoder on DevLab lets you encode and decode URL percent-encoding for query strings and paths directly in your browser — no installation, no signup, no limits. Encode query string parameters. Works on all devices and supports keyboard shortcuts for power users.

Try it now — free, instant, no signup

What is URL Encoder / Decoder?

Encode and decode URL percent-encoding to safely pass special characters in URLs. Handles full URL encoding, component encoding, and displays the decoded human-readable form.

Developers use URL Encoder / Decoderdaily to save time and avoid errors. Instead of writing custom code or searching through documentation, you can get immediate results with a simple paste-and-process workflow. DevLab's URL Encoder / Decoder is optimized for speed — results appear as you type with no button clicks required.

All processing happens entirely in your browser using modern JavaScript APIs. This means your data never leaves your machine, making it safe to use with sensitive content like tokens, API keys, or private documents.

When to use URL Encoder / Decoder

✓Encode query string parameters
→Decode encoded URLs for readability
⚡Fix malformed URLs with special characters
🔧Encode file paths for URLs

Frequently Asked Questions

How do I use URL Encoder / Decoder?
Simply enter your input in the field above and the URL Encoder / Decoder will process it instantly in your browser. No setup or installation needed — results appear in real time.
Is URL Encoder / Decoder free?
Yes, completely free. DevLab provides URL Encoder / Decoder and all other tools at no cost, forever. No credit card, no subscription, no hidden fees.
Does URL Encoder / Decoder store my data?
No. All processing happens entirely in your browser using client-side JavaScript. Nothing you enter is ever sent to a server. Your data stays on your device.
What is URL Encoder / Decoder used for?
URL Encoder / Decoder is used for: Encode query string parameters; Decode encoded URLs for readability; Fix malformed URLs with special characters; Encode file paths for URLs.
Can I use URL Encoder / Decoder offline?
Once the page is loaded, yes — URL Encoder / Decoder works offline because all processing is client-side. You may need to reload if the page hasn't been visited recently.

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