unjs

Type-safe regular expression builder that compiles away at build time, giving readable chained syntax and typed capture groups.

PDF utilities for Node, browsers and edge workers that extract text, metadata and page images from a serverless-safe PDF.js build.

Utility that expands a single base hex color into a full 50-900 shade ramp suitable for Tailwind or CSS variables.

CLI that exposes a local HTTP server to a public URL through Cloudflare Quick Tunnels without an account or config.

Programmatically edit JavaScript and TypeScript source files by mutating a proxied AST, preserving original formatting on write.

Dependency-free QR code generator that renders to SVG, Unicode or ANSI in any JavaScript runtime including edge workers.

Minimal documentation theme and CLI that turns a folder of markdown into a fast docs site with zero configuration.

Downloads templates and subdirectories from GitHub, GitLab or Bitbucket into a local folder, with caching and offline support.

Build plugin that generates metric-matched local fallback fonts automatically, eliminating layout shift while a webfont loads.

Self-hosted image proxy built on sharp that resizes, crops and reformats images from URL path modifiers, with caching.

Composable CLI builder with typed argument definitions, nested subcommands, auto-generated usage output and lazy command loading.