Networking & Planning

Plan subnets, transfer times, time zones and US weather.

Network, broadcast, host range and mask from any CIDR.

How long a transfer takes at a given connection speed.

Compare one meeting time across several time zones.

See a public National Weather Service forecast for a US location.

List observed US federal holidays for a selected year.

Find the nearest place in a pasted coordinate list.

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The most common tasks in networking & planning can be handled with these tools.

Compare approaches, ask questions and share results with other visitors.

Solve everyday calculations and plan PC hardware, storage and bandwidth.

Format data, test code and build useful web and search assets.

Inspect, transform and clean up files and text — all in your browser.

Measure password strength and estimate API costs with full transparency.