DPI Packages

Quickly change the dpi for an image without re enconding

helps you create pixel perfect apps by design

Reader/Writer for png chunk pHYs on browsers

Utility to scale <canvas> for Retina and other high resolution screens.

Use CSS Typed Object Model in the browser

Quickly change the dpi for an image without re-enconding

HDPI canvas adapter / styling utility

Calculate data about any display (width, height, ratio, area, density, etc.)

Peafowl DPI for NodeJS

Screen calibrator boilerplate for web based experiments. Developped in the Bavelier Lab.

Validates input as Guatemalan DPI (Documento Personal de Identificación, something like a SSN)

Validates input as Guatemalan DPI (Documento Personal de Identificación, something like a SSN)

An express middleware for serving density dependent images (or other files), supports the appcache flow.

Validador de CUI Y NIT para Guatemala

Adds Screen PPI access to the global screen object in android and iOS.

Convert common units of measurement between a multitude of density scales.

Wireshark dissection for Nodejs

React hook for finding device pixel ratio (DPR), optionally capping/rounding

drei-html-fix is a React utility that resolves alignment and offset issues with the Html component from @react-three/drei

low-level PNG codec tools