Utility Tools

Make a QR code as a PNG, time things with a stopwatch or countdown timer, convert length, weight and volume units, and have your browser read text aloud.

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4 tools Runs in your browser Free, no sign-up
Quick answer

Make a QR code as a PNG, run a stopwatch or countdown, convert length, weight and volume units, and have your browser read text aloud. The unit factors come from the SI definitions published by the BIPM.

Source: The International System of Units, SI Brochure (BIPM)

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QR Code Generator

Turn any text or link into a QR code in your browser. Set the size and color, watch it update as you type, then download a PNG. The data is encoded into the image itself and is not uploaded.

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Stopwatch and Timer

A stopwatch and a countdown timer on one page. Count up with lap splits, or count down from any number of minutes, timed from your device clock.

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Unit Converter

Convert length, weight and volume units in your browser. Pick a category, type a value and the result appears at once, worked out through a fixed base unit with standard factors.

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Text to Speech

Type or paste text, choose a voice and a speed, and your browser reads it aloud using the voices already installed on your device.

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About our Utility Tools

These are small everyday helpers. The QR code generator makes static codes with no expiry and no tracking, the stopwatch and countdown timer keep time from the device clock, the unit converter covers length, weight and volume, and the text-to-speech reader uses the voices already on your device.

You can use all 4 without an account. To jump to one, type part of its name in the filter box above.