User Agent Parser
Parse browser, operating system, device type, and rendering engine signals locally from User-Agent strings.
LocalUser-Agent strings are parsed in the browser and are not uploaded.
Regex rulesDependency-free rules identify common browsers, bots, mobile, tablet, and desktop signals.
User-Agent input
Paste a browser, crawler, mobile, or tablet User-Agent string for local inspection.
Parsed signals
Paste a User-Agent string to detect browser context locally.
Signal details
Review normalized labels before copying support or QA notes.
Parsed signal rows will appear here.