User Agent Parser
Detects the browser, OS and device from a User-Agent string. Free, instant and 100% private in your browser.
Web Tools Runs in your browser
What does User Agent Parser do?
Detects the browser, OS and device from a User-Agent string. Paste your user-agent string on the left and NMSnabbit instantly shows the browser / os / device on the right. Everything runs locally in your browser — nothing is uploaded, so it stays private and works offline. You can process several values at once and copy the result with one click.
How to use the User Agent Parser
- 1 Type or paste your user-agent string into the input box.
- 2 The browser / os / device appears instantly in the output box as you type.
- 3 Enter several values separated by spaces or new lines to process them at once.
- 4 Click “Copy output” to copy the result.
What you can use it for
- Quickly detects the browser, os and device from a user-agent string without installing anything.
- Checking results while learning or teaching how user-agent string and browser / os / device relate.
- Preparing or debugging data for programming, electronics or homework.
- Working privately when the data shouldn't be uploaded to a server.
Frequently asked questions
How do I use User Agent Parser?
Paste your user-agent string into the input field above. User Agent Parser runs instantly in your browser and shows the browser / os / device on the right — no button to press and nothing uploaded.
Is User Agent Parser free and private?
Yes. User Agent Parser is completely free with no sign-up, and it runs entirely client-side in your browser, so your data never leaves your device.
Can I process more than one value at once?
Yes. Enter several values separated by spaces or new lines and each one is handled independently, so you can batch-process in a single pass.
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