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Deno 2.2 is here with built-in OpenTelemetry, Lint plugins, node:sqlite, and more 🎉️

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Millions of packages that you already know npm are just a few keystrokes away.
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convert
The smallest & fastest library for really easy, totally type-safe unit conversions in TypeScript & JavaScript
convert convert-units unit-conversion uom metric imperial units unit measurement measure temperature mass weight length
@stdlib/stats-base-dists-negative-binomial-logpmf
Natural logarithm of the probability mass function (PMF) for a negative binomial distribution.
stdlib stdmath statistics stats distribution dist probability density mass pmf logpmf logarithm log ln
puppeteer-mass-screenshots
This package creates massive amount of screenshots automatically, using Chrome API screencast,
puppeteer pptr pptr.dev mass mas huge img image images screencast screencasts screenshots screenshot chrome
optical-properties
Calculate optical properties of a character, imageData or canvas
optical font typeface canvas visual center mass bitmap align
amounts
Represent amounts of stuff with units and conversions
measurements quantities quantity angle area duration energy illuminance length mass power pressure speed temperature
convert-pro
convert-pro is a package to convert between units that works on browser, node & deno
size bytes MB KB length area volume mass
puppeteer-video-recorder
This package creates a video of Puppeteer's page, using Chrome API screencast and ffmpeg
cast shot brst video record massive puppeteer pptr pptr.dev mass mas huge img image
@thi.ng/units
Extensible SI unit creation, conversions, quantities & calculations (incl. ~170 predefined units & constants)
acceleration angle area bits bytes calculation capacitance conversion current energy force frequency length mass
quantity-fns
Functions for dealing with and converting between quantities of mass, volume, density and energy
mass volume density energy kcal joule calorie kg kilo ml millilitre distance mi miles
nucos
NOAA Unit Conversion for Oil Spills
unit converter NOAA oil spill mass volume latitude longitude
qty
Parse, validate, manipulate, and display physical dimensions.
length area volume mass parse manipulate display physical dimensions dimensions conversion speed
molarcalc
Very simple npm package, just give it a valid chemical formula and get its molar mass.
molar mass mol g/mol gram/mol molecule chemistry element
chemymass
Simple chemical molar mass calculator
chemistry chemicals molar mass molecular weight chem formula weight chemical weight molarmass calculator atomic mass mass
responsive-images-resizer
Minify and resize images to an array of resolutions
resize minify responsive resize image responsive image resizer responive image resizer resizer resolution resolution resize images responsive images mobile images mobile-friendly images
mass-db-seed
simple package to create the SQL needed to populate your database
SQL database generate seed insert faker mass seeding inserting dummy data
measure-convert
JS/TS package for managing units of measurement. Convert, add, subtract, multiply, divide, and compare units of measurement.
unit conversion measurement temperature angle volume speed metric imperial physics engineering tools scientific calculations
roblox-mass-unfollow
This can be used to mass unfollow users on Roblox.
roblox mass unfollow
measurement-toolkit
Math and Conversion for Weight and Measurement Units
avoirdupois convert converter conversion imperial kilograms length mass measurement metric speed time troy unit converter
measurement-unit-converter
It is a npm package for converting units, including Angle, Area, Length, Mass, Speed, Temperature, Time, Volume
units converter angle area length mass speed temperature time volume
js-mass-upload
Create upload UIs for thousands of files and gigabytes of data
mass upload file blob ui