User-Agent Parser

Parse and inspect browser, engine, OS, device, and bot in User-Agent strings.

100% Client-Side · In-Memory Only

Interactive Tool Workspace

Loading User-Agent Parser...

How to Use User-Agent Parser

  1. Open the User-Agent Parser interface above.
  2. Configure your options or enter your input data.
  3. Process your input locally in browser memory with zero network requests.
  4. Copy the output or download your processed file.

Features & Guarantees

  • 100% Client-Side Engine: runs locally in your web browser with zero data transmission.
  • Private and confidential: sensitive inputs never touch external cloud servers.
  • Instant execution with zero rate limits, signups, or usage fees.

Frequently Asked Questions

Is this User-Agent Parser tool free to use?

Yes, completely free with no usage limits, accounts, or subscriptions. All processing happens directly inside your browser.

Does this utility upload my files or sensitive credentials?

Never. All data formatting, generation, and processing executes strictly in your local device RAM.

More in Networking

HTTP Status Codeshttp

Look up any HTTP status code and its meaning.

Device & Browser Infoenv

See your browser, screen, language and more.

cURL to Fetch / Codecurl

Convert cURL commands to JavaScript fetch, axios, and Python requests.

HTTP Headers Parserhead

Parse raw HTTP headers into JSON with security header audit.

DNS Lookup (DoH)dns

Query DNS records (A, AAAA, MX, TXT, CNAME, NS) via DNS-over-HTTPS.

HAR File Analyzerhar

Inspect network requests, waterfall timing, status codes, and headers from HTTP Archive (.har) files.