Client-Side Data, Network & DevOps Utilities
100% client-side privacy tools for systems engineers: AWS/GCP CIDR subnet planners, JSON/CSV payload bandwidth calculators, database storage estimators, and JWT/ SLA analyzers.
CIDR Subnet Mask & Cloud VPC Usable IP Address Calculator
Calculate total IPv4 addresses, AWS/GCP/Azure VPC reserved IPs, usable Kubernetes pod hosts, and subnet splitting from any CIDR prefix (/8 to /30).
REST/GraphQL API Payload Size, Bandwidth & Cloud Egress Cost Calculator
Calculate monthly terabytes (TB) transferred, required throughput in Mbps, and AWS/Vercel/Cloudflare egress bills with Gzip/Brotli compression savings.
PostgreSQL / MySQL Database Disk Size, B-Tree Index & RAM Calculator
Estimate total NVMe SSD storage, PostgreSQL 23-byte tuple header overhead, B-Tree index footprint, WAL bloat, and recommended shared_buffers RAM.
SLA Uptime ("Nines") Allowed Downtime & Breach Penalty Calculator
Convert SLA percentages (99.9% to 99.999%) into exact allowed downtime minutes per month/year and calculate enterprise contract credit penalties for outage breaches.