JSPM

Unpack capsize font metrics from fonts

Font metrics library for system and Google fonts

Calculate metrics of a font

A JavaScript polyfill for Flexbox

Flipping how we define typography

Vanilla-extract integration for capsize

Component to easily embed the Baseline status of a web feature on your Astro site

A browserslist config based on Web Platform Baseline.

Enforce JavaScript Baseline (widely/newly/year) browser compatibility with a single ESLint rule. Prevent runtime errors by catching unsupported JavaScript features during development.

Save a baseline of TypeScript errors and compare new errors against it. Useful for type-safe feature development in TypeScript projects that have a lot of errors. This tool will filter out errors that are already in the baseline and only show new errors.

create a baseline for eslint pipelines

A Stylelint plugin that enforces CSS feature availability based on Baseline.

Baseline correction using adaptive iteratively reweighted penalized least

Run ESLint with a baseline.

A Tailwind CSS plugin for trimming the whitespace above and below text nodes. This is a port of Capsize.

Drop-in replacement for biome check that maintains error baseline and only fails on new errors

Draws grid lines as HTML canvas element (baseline, squared and more)

CLI tool to check Baseline web features compliance in your projects

MCP server for auditing web codebase Baseline compatibility - TypeScript native

CLI tool for checking Web Platform Baseline compatibility

Check web features for baseline browser compatibility with smart recommendations and analytics

Command-line interface for Baseline compatibility checking

CLI tool for web feature compatibility analysis using Baseline data

A CLI tool to search and browse Baseline information from the terminal.

A Modern Web Compatibility Scanner

Compositor is a system of constraints designed to produce aesthetically pleasing, typographic compositions, based on objective, constant dimensions of space.

Complete toolkit for MDN Baseline compatibility checking - includes SDK, CLI, and ESLint plugin

A simple React static site that is deployed to AWS using serverless.

Shared core logic for Baseline Guard (types and feature checking)

A CSS framework for consistent sizing, spacing and typography.

Super easy to use Sass mixins to establish a typographic system with modular scale and vertical rhythm. Based on the Gridlover app.

Tool for testing using baseline strategy.

This plugin enforces [Google Baseline](https://web.dev/baseline/) web compatibility via the `web-features` NPM package. It scans JS, CSS, and HTML for features outside the chosen baseline year and reports issues inline in GitLab Merge Requests.

Core Baseline compatibility analysis engine

ESLint plugin to check web features against Baseline compatibility standards

A powerful responsive SCSS framework build with typography standards in mind.

BaseGuard - Never ship incompatible code again. Intelligent browser compatibility enforcement with AI-powered analysis and autonomous fixing.

CLI tool to scan codebases for non-Baseline web features

CLI tool for Baseline web feature compatibility checking

A style sheet that should be included on every project

Check web features for Baseline compatibility

A Vite plugin that displays baseline compatibility warnings in your browser

ESLint plugin for Baseline web feature compatibility

Lint your repo against Web Baseline policies

JSON baseliner plugin for BaseT project.

Automatically detect and display browser compatibility for your Storybook components using Baseline data. Supports React, Vue, Angular, and all frameworks with CSS-in-JS detection.

Stylelint plugin for CSS Baseline compatibility checking

CLI tool to prevent deployment of unsafe modern web features based on Baseline year standards

a lightweight linked-list implementation that offers both Singly (next) and Doubly data structures (next and previous)

Set text on the web to a baseline grid with Sass & rems using a responsive modular-scale.

Finesse typographic structure with ease

Core library for BaseT project.

A Sass library to help inform good typographic choices, without dictating—as much as possible—your visual design.

Convert string to baseline characters, limited support.

libsass-compatible port of Compass' vertical-rhythm helpers

CLI for BaseT project.

Stylelint plugin for CSS Baseline compatibility checking

A benchmarking library that allows performance to be compared to an established baseline.

create a baseline for eslint pipelines

Add baseline overlay to your React components

Browser environment for BaseT project.

Babel reader plugin for BaseT project.

Simple layout components for applications built with React

TypeScript reader plugin for BaseT project.

Baseline alignment, column grids and modular scales.

A Storybook addon that shows Baseline compatibility badges for web features

Test any URL for usage of baseline features

A unified linting tool that checks JavaScript and CSS for web feature baseline compatibility

Node.js font metrics parser

A collection of metrics for ~1,500 fonts as measured in the browser. These fonts include 93% of the Google Fonts library.

Calculate the `rem`'s from unit values

Grunt plugin for benchmarking node.js modules that allows performance to be compared to an established baseline.

CLI to enforce Web Baseline compatibility in dev and CI.

A Sass toolkit that sets type in Ems based on modular scale, vertical rhythm, and responsive ratio based headlines.

Report improvement (or retrogression) on your mutation score with Stryker

React resolver plugin for BaseT project.

Tiny capability checks for Baseline guards (share, canParse, view transitions, file picker).

JSON baseliner plugin for BaseT project.

Web application for computing geomagnetic baseline values

MarkDown reader plugin for BaseT project.

Plugin ESLint para detectar el uso de features de JavaScript según la base de compatibilidad "Baseline" (integrado con TypeScript para comprobaciones con información de tipos).

Pixi resolver plugin for BaseT project.

Baseline / column layout utilities for web development. Uses Sass.

Runs a function against given inputs and tests the result against baseline outputs

CLI tool that scans codebases and suggests modern web feature upgrades using Baseline data

A wrapper around Lighthouse that allows you to ignore some audits

Baseline overlay plugin

A good start for styling your tables

Vue component for checking web feature baseline compatibility

Flipping how we define typography in CSS.

VM package for BaseT project.

A thoroughly modern, light-touch reset for people who like writing CSS.

Plugin de Babel que transpila solo las features que no están en baseline según el año configurado usando @web-features/baseline y preset-env.

JavaScript library to fix responsive images in vertical rhythm environments

Design your React apps to pixel perfection

Display beautiful Baseline browser feature support on your pages.

Baseline Kit is a lightweight development tool for visualizing and debugging grid systems and spacing in React applications. It provides configurable overlays for both column-based and baseline grids, flexible spacing components, and theme-aware configura

A PostCSS plugin allowing for on-the-fly custom units for uniform spacing, vertical-rhythm, and baseline grids.

Core functionality for checking web feature baseline compatibility

Flipping how we define typography in CSS.

Calculate metrics of a font

Converts the more important but less accessible Baseline into the less important but more accessible Padding

🌱 Nurture baseline-compatible web code - A CI/CD tool to check web feature baseline compatibility

A PostCSS plugin for managing consistent scale, proportion and vertical rhythm using custom units based on numerical sequences.

Gothium CSS Reset: A powerful yet lightweight CSS reset to normalize styles across all browsers, ensuring consistency and simplicity in web design. This universal CSS baseline provides a solid foundation for any project by eliminating browser inconsistenc

base react component for inline svg, perfectly baseline aligned with font.

A PostCSS plugin to create a vertical rhythm with the baseline of text.

Auto-generate AWS security baselines, IAM policies, and security groups from TypeScript interfaces

A good start for styling your forms

Astro component to display web platform baseline status

A brand-oriented CSS baseline inspired by modern-normalize.

Tailwind CSS plugin for aligning text to baseline.

TailwindCSS plugin for aligning text to its baseline

Auto-generate AWS security baselines, IAM policies, and security groups from TypeScript interfaces

VS Code extension and GitHub Action for detecting non-Baseline web features

A tool for visualizing fluid grids during development.

Handle type style baseline discrepancies with ease

Converts the more important but less accessible Baseline into the less important but more accessible Padding

Migration toolkit for node.js with baselining and versioning integrity checks