User Agent Parser

Parse user agent strings to identify browser, OS, and device details.

Free · No SignupUpdated Apr 2026

What the User Agent Parser Helps You Do

User Agent Parser is a free online utility that lets you parse user agent strings to identify browser, OS, and device details. It runs entirely in your browser — no account creation, no software installation, and no data uploaded to external servers. This makes it a practical choice for anyone who needs to work with developer & code tools-related values quickly and privately. Whether you are a professional working through a daily task list, a student checking homework figures, or a freelancer preparing a deliverable, User Agent Parser gives you an instant result you can copy, screenshot, or feed into the next step of your workflow. ToolPeg hosts this tool alongside developer & code tools tools and 300+ other free utilities so you always have a single bookmark for everyday browser-based tasks.

ToolPeg is designed around browser-based workflows. Review the specific tool's description and behavior if you are using sensitive or regulated data.

How to Use the User Agent Parser

Review the tool description so you know what inputs or files are needed.
Enter your values, text, URL, or file in the fields above.
Review the result carefully and use it in the next step of your workflow.

Common Use Cases

Transforming, formatting, or testing code and developer data quickly.
Handling one-off utility tasks without opening a heavier local setup.
Reviewing output directly in the browser during day-to-day development work.

Notes and Limitations

Review the result in context and double-check anything important before relying on it in production or decision-making.

Frequently Asked Questions

What is User Agent Parser?

User Agent Parser is a free browser-based tool on ToolPeg that lets you parse user agent strings to identify browser, OS, and device details. It works without sign-ups, downloads, or server uploads — your data stays on your device.

How do I use User Agent Parser?

Open the User Agent Parser page on ToolPeg, enter or paste the required inputs in the fields above, and the tool processes everything in your browser. Results appear instantly and can be copied or downloaded depending on the tool. No account is needed.

Is User Agent Parser free?

Yes. User Agent Parser is completely free to use with no limits, no sign-up, and no hidden costs. ToolPeg is funded through non-intrusive advertising so every tool stays free for everyone.

Is my data safe when I use User Agent Parser?

Yes. User Agent Parser runs entirely in your browser using client-side processing. Your inputs are never sent to a server, stored in a database, or shared with third parties. When you close the tab, the data is gone.

Is this developer tool free to use?

Yes. Every developer utility on ToolPeg is free to use directly in your browser — no signup, API key, or installation required.

Is my code or data stored when I use this tool?

No. ToolPeg developer tools process all input locally in your browser. Nothing is sent to a server or stored. Your code and data stay on your device.

Can I use this tool in my development workflow?

Absolutely. ToolPeg developer tools are designed for quick utility tasks — formatting, encoding, generating, and converting — that complement your existing IDE, terminal, and build tools.

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User Agent Parser

Parse user agent strings to identify browser, OS, and device details.

Free · No SignupUpdated Apr 2026

What the User Agent Parser Helps You Do

ToolPeg is designed around browser-based workflows. Review the specific tool's description and behavior if you are using sensitive or regulated data.

How to Use the User Agent Parser

Review the tool description so you know what inputs or files are needed.
Enter your values, text, URL, or file in the fields above.
Review the result carefully and use it in the next step of your workflow.

Common Use Cases

Transforming, formatting, or testing code and developer data quickly.
Handling one-off utility tasks without opening a heavier local setup.
Reviewing output directly in the browser during day-to-day development work.

Notes and Limitations

Review the result in context and double-check anything important before relying on it in production or decision-making.

Frequently Asked Questions

What is User Agent Parser?

How do I use User Agent Parser?

Is User Agent Parser free?

Yes. User Agent Parser is completely free to use with no limits, no sign-up, and no hidden costs. ToolPeg is funded through non-intrusive advertising so every tool stays free for everyone.

Is my data safe when I use User Agent Parser?

Is this developer tool free to use?

Yes. Every developer utility on ToolPeg is free to use directly in your browser — no signup, API key, or installation required.

Is my code or data stored when I use this tool?

No. ToolPeg developer tools process all input locally in your browser. Nothing is sent to a server or stored. Your code and data stay on your device.

Can I use this tool in my development workflow?

Absolutely. ToolPeg developer tools are designed for quick utility tasks — formatting, encoding, generating, and converting — that complement your existing IDE, terminal, and build tools.