NetScope — Network & Web Tools
Subnets, status codes, URLs and campaign links — instant, private, free.
100% client-side Free forever No sign-up
Runs 100% in your browser — nothing is ever uploaded.
All NetScope tools
CIDR Full subnet breakdown from any CIDR notation. HTTP codes What every status code means — and how to fix it. URL parser See and edit every component of a URL. UTM Tag marketing links correctly — every parameter explained. IP to Binary See any IPv4 in binary, hex and decimal at once. WebSocket Tester Connect, send and inspect WS messages live. Website Ping Test Measure HTTP response time of any site with repeated rounds
NetScope FAQ
Are these network tools free?
Yes — every NetScope tool is 100% free with no signup, no limits and no ads walls.
Is my data uploaded anywhere?
No. All calculations (CIDR math, URL parsing, UTM building) run entirely in your browser. Nothing ever leaves your device.
Do these tools work offline?
Yes — once the page is loaded, the calculators work without an internet connection.