Networking & Internet

Plan subnets and estimate transfer times without guesswork.

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

How long a transfer takes at a given connection speed.

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

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

Size a power supply, plan storage, and reason about memory and bandwidth.

Format, test, encode and convert the data developers touch every day.

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

Measure password strength and estimate API costs with full transparency.