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User Agent Generator

Generate common, valid browser User-Agent strings for web scraping, bot emulation, and client headers testing.

Common browser header values for API testing

A User-Agent is a text header sent by client applications to server endpoints. It identifies the browser name, operating system, rendering engine versions, and structural device parameters. When writing web scrapers, crawler bots, or validating API headers, developers often rotate user-agent strings to prevent access blocks.

This generator provides lists of actual, valid browser headers matching popular setups, helping you test and emulate client requests safely.

Preguntas frecuentes

Many servers block requests showing automated flags or repeating requests with identical client headers. Emulating random devices keeps scrapers active.

Yes, these are actual HTTP headers captured from real web browsers including Google Chrome, Mozilla Firefox, and Apple Safari.