User Agent Parser
Parse user agents — browser, OS, device detection
🔒 Files never leave your browser
How to Use User Agent Parser
View or paste
See your current UA or paste any UA string.
View parsed info
See browser, OS, device, and engine details.
Copy
Copy parsed data as JSON.
Why Choose AllTools User Agent Parser?
- ✓ 100% free, no account needed
- ✓ Auto-detect current UA
- ✓ Browser/version detection
- ✓ OS detection
- ✓ Device type detection
- ✓ No data stored or transmitted
Why Use This Tool
- ★ No data leaves your browser — safe for proprietary code and sensitive data
- ★ Instant processing with zero server latency
- ★ No account or API key required
- ★ Works offline after initial page load
- ★ Supports latest syntax standards and specifications
Related Resources
Frequently Asked Questions
What is a user agent? ▼
A string sent by browsers to web servers identifying the browser, OS, and device.
Is this private? ▼
Yes. All parsing happens in your browser.
Is there a file size limit? ▼
No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.
Which browsers are supported? ▼
All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.
Can I use this offline? ▼
Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.
Is my data secure? ▼
Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.
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