User Agent Parser — Browser & OS Detector Online
Parse any User-Agent string to identify browser, OS, device type, and version. Test your own browser's UA automatically.
Try popular user agents
Why Choose Our Client-Side User Agent Parser?
Process operations securely, quickly, and directly in your browser with 100% local client-side memory execution.
100% Secure & Local
Your data never leaves your device. All calculations, hashing and formatting are performed locally in sandboxed client memory.
High-Fidelity Code Formats
Preserves syntax, formatting blocks, text borders and configurations precisely during User Agent Parser.
Blazing Fast Speeds
Powered by client-side browser workers, updates happen instantly without upload delays or network queue times.
Process in Three Simple Steps
Input Code
Paste, type, or drag & drop your raw code or inputs directly into the editor interface above.
Configure & Apply
Choose your conversion settings, custom formats, or keys and review the real-time preview results.
Save Output
Instantly copy the finalized code output to your clipboard or download it as a local file.
code_output
Ready for use
Frequently Asked Questions about User Agent Parser
Yes, User Agent Parser is 100% free with no sign-up, no watermarks, and no usage limits.
User Agent Parser runs entirely in your browser — no data is ever sent to our servers. Your content stays on your device.
Once the page has loaded, User Agent Parser works fully offline in your browser — no internet connection is required.
Yes, all cryptographic operations run in your browser using the Web Crypto API. Your keys and secrets never leave your device.
Yes, User Agent Parser is fully responsive and works in all modern browsers on desktop, tablet, and mobile.