Chrome Extension that convert units instantly by simply hovering over them. Temperature, metrics, imperial, and more. Fast, clean, effortless. Stop copying values into conversion calculators. HoverConvert automatically detects units on any webpage and shows conversions in a clean tooltip the moment you hover over them.
Intent
I need it when
Customize unit conversions to show only relevant target units for specific workflows
The extension offers powerful customization including target unit selection (e.g., feet to both meters and inches), precision control (0-4 decimal places), category toggles, and site blacklisting, allowing users to tailor conversions to their exact needs.
Convert units quickly while reading foreign websites without manual lookups
HoverConvert detects units on any webpage and displays conversions in a tooltip on hover, eliminating the need to copy values into separate calculators or search engines. Supports temperature, distance, weight, speed, volume, and file size conversions.
Convert developer-specific units like CSS measurements while coding
HoverConvert includes developer units (px, rem, em, pt, vw, vh) alongside standard conversions, making it useful for web developers and designers working with multiple unit systems in stylesheets and design specifications.
Convert recipe measurements and cooking units across different systems
HoverConvert supports volume conversions (liters, gallons, ml, fl oz, cups, pints, quarts, tbsp, tsp) and weight conversions (kg, pounds, ounces, grams, stones), enabling home cooks to quickly adapt recipes from international sources.
Access unit conversions without privacy concerns or data tracking
The extension operates entirely in-browser with no data collection, tracking, or account requirements, providing privacy-first conversions for users concerned about data sharing or surveillance.
Drop
Not a fit when
User needs offline unit conversion without internet access, as the extension requires browser installation
User works in environments where Chrome extensions are blocked or restricted by IT policies
User needs currency conversion with real-time exchange rates, as HoverConvert focuses on physical units only
User requires conversion history or logging for compliance or audit purposes
User needs support for non-standard or specialized unit systems beyond the listed categories