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What Is My Browser
UAParser.js
WhatsMyBrowser.org
Free tool that analyzes User-Agent strings and scores them 0-100 for bot, scraper, automation, or malware risk using a rule engine, threat-intel databases, and community voting.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | github.surf | uaintel.tech |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GitHub Surf and UAIntel.tech.
UAIntel.tech's answer:
Most UA tools either just parse a string into browser/OS/device info (like UAParser.js) or only show you your own UA (like WhatsMyBrowser). UAIntel is purpose-built for risk assessment - it tells you whether a UA is likely a bot, scraper, automation tool, or known malware, with a 0-100 score you can act on. It's free and doesn't require the broader security-suite overhead of tools like Burp Suite or Snyk if UA analysis is all you need.
UAIntel.tech's answer:
UAIntel combines three independent detection layers into one score: a rule engine that catches impossible OS/browser combinations and spoofed version strings, lookups against bundled threat-intel feeds (bad-bot blocklists, malware UA databases, crawler lists), and community-reported verdicts on ambiguous UAs. It's free, requires no signup, and runs entirely on Cloudflare's edge network for instant results.
UAIntel.tech's answer:
Developers and security engineers who work with server logs, WAFs, or bot mitigation - anyone who needs to quickly triage whether traffic hitting their site is a real user, a legitimate crawler, a scraper, or something malicious.
UAIntel.tech's answer:
Built out of a recurring practical need: filtering through server logs and needing a fast way to tell whether a given User-Agent string was a real browser, a bot, or something worse, without manually cross-checking multiple threat-intel sources by hand.
Share your experience with using GitHub Surf and UAIntel.tech. For example, how are they different and which one is better?
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