ToolbitUnit Converter for Developers
Convert bytes to gibibytes, milliseconds to hours, or millimetres to points without opening a search engine and trusting whatever the first result says.
What the Unit Converter does
- Digital storage with correct binary and decimal prefixes.
- Time, length, mass, volume, area, and temperature.
- Precise conversion without floating-point surprises.
- Instant results as you type.
How to use it
- Pick the category you are converting within.
- Enter the source value and choose both units.
- Copy the converted result.
Why it runs locally
Toolbit has no backend. The Unit Converter is implemented with standard browser APIs, so your input is processed in the tab and never uploaded, logged, or retained. That is what makes it safe to paste real data into — and it is also why the tool keeps working with the network disconnected, once you have installed Toolbit as an app.
Frequently asked questions
- Does it distinguish GB from GiB?
- Yes. Decimal (GB, 1000-based) and binary (GiB, 1024-based) prefixes are separate units, which is exactly where most conversion mistakes come from.
- How many categories are supported?
- Length, mass, volume, area, temperature, time, speed, pressure, energy, and digital storage.
- Does it work offline?
- Yes. Toolbit installs as a PWA and ships as a desktop app for macOS, Windows, and Linux, so the whole toolbox keeps working on a plane, behind a corporate firewall, or on an air-gapped machine.