User Agent Parser
Paste or auto-detect your User-Agent string. Parses browser name/version, operating system, device type (mobile/tablet/desktop), CPU architecture, and detects bots/crawlers. Shows the raw string alongside the structured breakdown.
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Common Use Cases
- Debug device detection logic
- Identify crawlers in access logs
- Test UA parsing in your application
- Check what your browser reports
Frequently Asked Questions
Why do all browsers include 'Mozilla' in their UA?
Historical compatibility: early browsers claimed to be Mozilla-compatible to receive the richer content sites served to Netscape. Each subsequent browser kept the Mozilla prefix for backwards compatibility, making UA strings a fascinating archaeological record of browser history.
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Tool Info
CategorynetworkAI EnhancementNoData StorageZero retention