AppIcon Maker vs Subnet Calculator

AppIcon Maker helps iOS and iPadOS developers turn one 1024x1024 image into asset-catalog-ready app icon exports. Import your artwork, preview the generated result, check the output summary, and export a ZIP that is ready to add to an app icon asset catalog. Designed for developers: - Modern app icon export with a single universal 1024x1024 iOS app icon - Classic Full Size Set export for explicit iPhone and iPad icon sizes - Automatic Contents.json generation - Preview and validation before export - Share-sheet ZIP export to Files, AirDrop, Mail, or your favorite workflow - Fully local processing with no accounts, cloud upload, ads, analytics, or tracking The free app lets you import artwork, preview results, and inspect the export summary. A one-time lifetime unlock enables creating and sharing export ZIPs. AppIcon Maker is a focused developer utility: simple, fast, native, and built with system frameworks.

Subnet Calculator puts essential subnet math in your pocket. Enter any IP and CIDR, and instantly see network address, broadcast, usable range, and more—ideal for admins, developers, and anyone planning or troubleshooting networks. ► Subnet Calculator • Support for IPv4 and IPv6; switch between them with a single tap. • Enter any IP address and adjust CIDR prefix length with a slider (/0 to /32 for IPv4, /0 to /128 for IPv6). • Instant results: network address, subnet mask, broadcast, first and last usable IP, host range, and total addresses. • IPv4: see address class (A/B/C/D/E), wildcard mask, and usable host count. • IPv6: see prefix length and total addresses in compact form (K, M, B). • Long-press any result to copy it to the clipboard. ► General • Dark and light theme. • Portrait-oriented layout for one-handed use. • No account required. Free to use, with ads to support development. Built for quick subnet planning, subnetting practice, and network design—handy for home labs, offices, and developers.