Free URL Encoder & Decoder
A free URL encoder converts special characters to percent-encoding and decodes them back. Paste a URL or query string, encode or decode, and copy — no signup, runs in your browser.
Encode URLs and query parameters for safe transmission, or decode percent-encoded strings back to readable text. Essential for API work, link building, and debugging broken URLs. Free, no signup, fully client-side.
Runs 100% in your browser. Your data never leaves your device.
Uses encodeURIComponent and decodeURIComponent — the same browser functions used when building query strings in JavaScript.
How to Use URL Encode / Decode
- Choose Encode or Decode — output updates as you type
- Paste a URL, query string, or text in the input box
- Copy the result from the output area
When Would You Use This?
Marketing teams building UTM links encode campaign names with spaces and special characters so analytics tools parse them correctly.
Developers debugging 404s decode malformed query strings to see what the server actually received.
Translators working with non-English URLs verify encoded Unicode displays correctly when shared across platforms.
Frequently Asked Questions
- Is this URL encoder free to use?
- Yes, completely free. No signup, no login, no payment ever.
- Do I need to create an account?
- No account needed. Open the tool and start using it immediately.
- Is my data safe?
- Everything runs in your browser. Nothing is uploaded to our servers. We cannot see your data.
- What is the difference between encode and decode?
- Encode converts characters like spaces and ampersands to percent-encoded form (%20, %26). Decode reverses that back to readable text.