How to use UTM URL
- Paste the URL you need to process into the input box.
- Adjust the Base URL, Campaign source, Campaign medium options to match what you need.
- The result is computed live in your browser as you edit the input.
- Use Copy to keep or reuse the result.
About this tool
UTM URL runs entirely in your browser. UTM URL builds and encodes links in your browser, percent-encoding parameters so the URL stays valid.
Your URLs and parameters stay on your device. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
What does UTM URL do?
UTM URL runs entirely on your device: add your input using the Base URL, Campaign source controls, and it processes it locally in real time.
Is UTM URL free to use?
Yes — UTM URL is completely free, with no usage limits.
Does UTM URL upload my data?
No — UTM URL processes everything locally in your browser, so nothing you enter is uploaded or stored.
Does UTM URL encode reserved characters correctly?
Yes. UTM URL follows standard percent-encoding rules in your browser so links stay valid.
Does UTM URL work offline?
Once the page has loaded, UTM URL keeps working with no network connection.