Category
Networking tools
Subnets, CIDR blocks, and HTTP headers - the plumbing underneath every request.
5 tools · all free
HTTP Header AnalyzerPaste response headers, get plain-English explanations.Subnet CalculatorCIDR notation to network address, broadcast address, subnet mask, and usable host range.CIDR Overlap CheckerCheck whether two CIDR blocks overlap - catch VPC peering and routing conflicts before provisioning.Rate Limit Header ExplainerPaste X-RateLimit or RateLimit response headers - remaining quota and reset time in plain English.Nginx / Apache Config GeneratorReverse proxy, SSL redirect, gzip - a valid server block or VirtualHost.
These answer one question each. ArchSetu answers them for a whole repository.
Call graph, dead code, blast radius and a health score, in about a minute.