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SwapUnits - Instant Unit Converter

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Overview

Convert units by selecting text. 7+ categories, 42 currencies, dark mode. Auto-converts with smart defaults.

How to use: Select any text with a unit (e.g., "30 USD", "5 kg", "10 km") A popup will appear with auto-converted results Use the settings icon to change target units Copy to clipboard Enjoy instant conversions on any webpage! Supported units: - Length: meters, feet, miles, inches, kilometres… - Mass: grams, kilograms, pounds, ounces… - Volume: litres, millilitres, gallons, cups… - Temperature: °C, °F, K Time, speed, area, energy, pressure and more - Currencies with live FX rates (e.g. EUR ↔ USD, GBP ↔ PLN, etc.) SwapUnits is designed for both engineers and everyday users – from quick household conversions to more advanced technical unit changes.

Details

  • Version
    1.0.0
  • Updated
    December 9, 2025
  • Size
    27.42KiB
  • Languages
    English (United States)
  • Developer
    Email
    swapunits@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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