ToolsXpo

User-Agent Parser

Deconstruct raw User-Agent strings to identify the browser, operating system, and device details.

This tool has an API.Automate it from your code — 1 credit/call.Open in Playground
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Examples & Use Cases

Raw User-Agent String

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Parsed Device Data

{ "browser": { "name": "Chrome", "version": "120.0.0.0", "major": "120" }, "os": { "name": "Mac OS", "version": "10.15.7" } }

User-Agent String Parser

When reviewing server logs or debugging web analytics, you are constantly bombarded with messy User-Agent (UA) strings. Our User-Agent Parser takes these cryptic strings and extracts clean, readable JSON data identifying the exact browser, layout engine, operating system, and hardware device the client is using.

Why Parsing UA Strings is Difficult

Due to decades of browser wars and historical spoofing, modern UA strings are incredibly confusing. For example, Chrome's UA string claims to be Mozilla, AppleWebkit, KHTML, and Safari all at the same time. Our parser uses an advanced mapping database to cut through the noise and give you the real browser identity.

100% Privacy and Security

Your log files and analytics data contain sensitive user footprints. We parse the User-Agent completely locally within your browser. We do not track the strings you paste, ensuring your application's user demographic data remains totally confidential.

About User-Agent Parser

Deconstruct raw User-Agent strings to identify the browser, operating system, and device details. It's built for debugging web requests, headers and page behaviour, runs instantly, and works on any device — no install, no sign-up.

How to use User-Agent Parser

  1. Paste or type your input into the editor on the left.
  2. Leave the defaults, or tweak them if the tool exposes options.
  3. The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
  4. Copy the output, or download it, and you're done.

Why use User-Agent Parser?

  • Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
  • Private by default — your input never leaves your device.
  • Accurate — the same, well-tested logic powers both this page and the public API.
  • Free — unlimited use in the browser, with an optional API for automation.

Use it from the API

Everything this page does is also available as a REST endpoint, so you can call User-Agent Parser from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/user-agent-parser" \
  -H "Authorization: Bearer txp_live_YOUR_KEY"

The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.

Frequently asked questions

Is User-Agent Parser free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.

Is my data private? Yes. User-Agent Parser runs entirely in your browser — your input never leaves your device and nothing is logged or stored.

Can I automate User-Agent Parser? Yes — call the user-agent-parser API endpoint from any language and script it into your workflow.

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