DeviceAtlas
HTTP Headers Parser

This tool checks what DeviceAtlas returns for HTTP headers.
You can paste in any headers (or just a user-agent string) or click current browser headers to return results for your browser.

Client Hints headers are utilised where present, including hints from first and second requests.

You are not currently logged in. Please or to use the User-Agent tester.

Enter a User-Agent string or a set of HTTP headers, one per line, in the format. Header: Value
Or use your
HEADER VALUE
X-Forwarded-For-Proxy-Protocol 216.73.216.144
Accept-Encoding gzip, br, zstd, deflate
User-Agent Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Accept */*
X-Geoip-Region-Name Ohio
X-Geoip-Longitude -83.00610
X-Geoip-Latitude 39.96250
X-Geoip-Country-Name United States
X-Geoip-Country-Code US
X-Scheme https
X-Forwarded-Scheme https
X-Forwarded-Host www.deviceatlas.com
X-Request-Id 3cd66e8429730a22f4a45c1be2d9ac28

This server requests the following Accept-CH headers from clients:

viewport-width, dpr, device-memory, rtt, downlink, ect, ua, ua-full-version, ua-platform, ua-platform-version, ua-arch, ua-model, ua-mobile