User-Agent Parser
Extract operating system, browser engine, and device types from User Agent headers.
Configure inputs and click Run
How It Works & Educational Guide
How Nexifr's User-Agent Parser handles your data securely in the browser — covering supported formats, encoding standards, and practical developer workflows.
01What problem does User-Agent Parser solve?
When you need to extract operating system, browser engine, and device types from user agent headers, the challenge is finding a clear, no-account workflow with useful output. Nexifr's User-Agent Parser is designed to make that workflow quick and understandable. Processing happens in the browser. Uploaded files and pasted content are not sent to Nexifr.
02How it works & data handling
• Data handling: Processed in your browser — files and pasted content are not sent to Nexifr. • Clear output: Results are formatted for immediate use — download a file or copy the result where available. • No account required: You can use the tool without creating a Nexifr account.
03Common questions
• Where do I get my User Agent? By default, the tool will populate with your own browser's active User Agent header.
Frequently Asked Questions
Where do I get my User Agent?
By default, the tool will populate with your own browser's active User Agent header.