formatcalc.

FormatCalc library

File & internet
without the noise.

Free file & internet from FormatCalc. Fast, private, and processed entirely in your browser. Choose a tool below to get started—no account or upload required.

F

File Size Converter

Convert binary file-size units from bytes through pebibytes.

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Download Time Calculator

Estimate how long a download will take across common size and speed units.

↗B

Bandwidth Calculator

Estimate monthly transfer from traffic, page views, and page size.

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