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
Accept-Charset utf-8;q=0.7,*;q=0.3
Accept-Language en-US,en;q=0.5
Accept-Encoding gzip, deflate
Accept */*
User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0
X-Scheme https
X-Forwarded-Scheme https
X-Forwarded-Host deviceatlas.com

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