User Agent Parser
Paste any User-Agent string and instantly see the browser, version, OS and device family it reports.
Data handling: Processing: this tool runs in your browser and does not send entered data to a tool-service endpoint. Site analytics, advertising, or embedded resources may still make separate requests. See the Privacy Policy for site-level details.
About User Agent Parser
Designed for efficiency and accuracy, User Agent Parser paste any User-Agent string and instantly see the browser, version, OS and device family it reports. Using it is a three-step job: 1) Open User Agent Parser and review the inputs, units, and data-handling notice shown on its page, 2) Enter the information requested by this tool and adjust only the options that apply to your task, 3) Review the result and use the available copy, download, or reset controls. User Agent Parser is part of ProfitTool's network & info collection. Check the notice beside the tool for its processing and data-handling details.
User Agent Parser is a free, browser-based user agent from ProfitTool. Paste any User-Agent string and instantly see the browser, version, OS and device family it reports. Review any usage notes shown on this page before relying on its availability. Review the tool's data-handling notice before entering sensitive information; some features store settings locally or contact external services.
Working alongside the IP Address Lookup? keep Browser Info Detector open in a second tab.
How to use User Agent Parser
- 1Open User Agent Parser and review the inputs, units, and data-handling notice shown on its page.
- 2Enter the information requested by this tool and adjust only the options that apply to your task.
- 3Review the result and use the available copy, download, or reset controls. Processing and storage behavior vary by tool.
Already used our Text Repeater? try IP Address Lookup to finish the job.
Key Terms Explained
- Latency
- Round-trip time to a server in milliseconds. Under 50 ms feels instant; over 150 ms is noticeable in calls.
- Jitter
- Variation in latency between packets. High jitter breaks voice and video even when average speed looks fine.
- ASN
- Autonomous System Number — the identifier for the network operator that owns an IP range.
- DNS TTL
- How long resolvers cache a record before asking again. Lower it before you plan a migration.
Pro Tips & Best Practices
- Run the test twice — once on Wi-Fi and once on Ethernet — for a fair comparison.
- Download the result as JSON to attach to your ISP or IT support ticket.
- Combine with ProfitTool's HTTP Header Checker to isolate CDN vs. origin issues.
Why this matters
When something is slow, the first useful question is where. A quick measurement of throughput, latency and the route your request takes turns a vague complaint into a ticket someone can actually act on.
Common Mistakes to Avoid
Testing once and drawing conclusions
Run three tests at different times. A single sample tells you about that moment, not your connection.
Blaming the ISP for Wi-Fi problems
Test over Ethernet before you call support — most 'slow internet' is actually poor wireless coverage.
Ignoring upload speed
Video calls and backups fail on upload far more often than download.
People who use Browser Info Detector usually reach for this next: Text Repeater handles the follow-up case.
Technical Limitations & Boundary Conditions
- Results reflect the inputs and assumptions shown. Fees, taxes, rates, and personal circumstances can change the real-world outcome; verify important figures with the relevant provider or authority.
- Extreme values outside standard ranges may be constrained by device memory or numerical precision boundaries.
Frequently Asked Questions
How accurate is User Agent Parser?›
It measures what your browser can see from this device, so Wi-Fi interference, VPNs and background downloads all affect the reading. Run it twice for a fair average.
What should I do if User Agent Parser gives an unexpected result?›
Re-check your input formatting first, then reload the page to clear any stale state. If it persists, send us the input through the suggestion form and we'll fix it.
Does User Agent Parser collect my IP or location?›
The lookup provider receives the query needed for the check. Review the tool notice for the provider and input sent.
Are there related network & info tools I should use alongside it?›
Yes — the related-tools panel on this page links the utilities most people open right before or after User Agent Parser, so you can chain them into one workflow.
Why does my result differ from my ISP's advertised speed?›
Advertised speeds are line maximums measured over Ethernet. Wi-Fi, older routers and peak-time congestion typically account for the gap.
Is User Agent Parser free to use?›
Yes — User Agent Parser is completely free with no signup, watermark, trial or hidden paywall, however often you use it.
Can I share this user agent result with support?›
Yes — export the reading as JSON or take a screenshot to attach to an ISP or IT ticket; the timestamp and server used are included.
Does User Agent Parser work on mobile phones and tablets?›
Yes. The layout is mobile-first and tested on iOS Safari, Android Chrome and every current desktop browser, with tap targets sized for thumbs.
Is my data safe when I use this user agent?›
Data handling varies by tool. Read the notice above the workspace to see whether your input stays in the browser or is sent to a named provider or service. Avoid entering sensitive information unless you understand that tool's handling.