Backslash extensionAspect Ratio
Ratios and megapixels of a size, the missing width or height, crops and letterboxes, fit and fill, screen pixel density, and common resolutions. Open it from Backslash, the keyboard-first launcher for Linux, with Super + Space.
Commands
Aspect Ratio CalculatorType 1920x1080, 16:9 h720, 1920x1080 to 4:3, fit 4000x3000 in 1920x1080 or 27" 2560x1440
More everyday extensions
C
CoordinatesConvert coordinates between decimal degrees, DMS, UTM, MGRS, geohash and Plus Codes, open them on a map, and get the distance, bearing and midpoint of two points
CCountriesEvery country and territory with its capital, population, area, languages, currencies, calling code, domain, driving side, time zones and neighbors
CCryptoCryptocurrency prices, 24 h and 7 day changes, market caps and a watchlist from CoinGecko, and the value of your holdings
CCurrency ConverterCurrency conversions as you type in the search, at the European Central Bank's daily rates (via Frankfurter, cached for 12 hours)
DDate CalculatorDays until a date, date plus or minus days, weeks and months, working days with French public holidays, ISO weeks, in English or French
DDictionaryDefinitions, examples, pronunciation and synonyms in English and French from Wiktionary, and quick translations