User Agent Parser
Parses any HTTP User-Agent string and breaks it down into browser, rendering engine, operating system, and device type with version numbers — useful for analytics, debugging, and bot detection. Includes a one-click 'Use my browser' button and ready-made sample UAs for Chrome, Safari, Firefox, Edge, and Googlebot.
User Agent Parser — Free Online Tool
Parses any HTTP User-Agent string and breaks it down into browser, rendering engine, operating system, and device type with version numbers — useful for analytics, debugging, and bot detection. Includes a one-click 'Use my browser' button and ready-made sample UAs for Chrome, Safari, Firefox, Edge, and Googlebot.
How to use the User Agent Parser
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the User Agent Parser free to use?
Yes. The User Agent Parser is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the User Agent Parser upload my data?
No. The User Agent Parser processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the User Agent Parser work offline?
After the page loads, the User Agent Parser runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this User Agent Parser
The User Agent Parser runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.