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-Language en-US,en;q=0.9
Accept-Encoding gzip, deflate, br, zstd
Sec-Fetch-Dest document
Sec-Fetch-User ?1
Sec-Fetch-Mode navigate
Sec-Fetch-Site none
Accept text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8
User-Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Sec-Ch-Ua-Platform "macOS"
Sec-Ch-Ua-Mobile ?0
Sec-Ch-Ua "Not_A Brand";v="8", "Chromium";v="144", "Google Chrome";v="144"
X-Scheme https
X-Forwarded-Scheme https
X-Forwarded-Host www.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