A faster youtube embed.

paul's fish, bash, git, etc config files. good stuff.

Type `git open` to open the GitHub page or website for a repository in your browser.

matchMedia polyfill for testing media queries in JS

minimal monitor for JS Heap Size via performance.memory

Progressive web metrics at your fingertipz

break on access to a property

See your latest local git branches, formatted real fancy

Get a GitHub user's email. :sunglasses: Use this responsibly.

Node.js recipes for automating javascript profiling in Chrome

Calculate the speed index from devtools performance trace

Is headless chrome currently detectable? Let's pit the detections and detection evasions against eachother.

use Autoprefixer instead. <3

OPML of the frontend development rss feeds

see the wiki

THIS REPO HAS MOVED! It has a pretty new home at github.com/h5bp ╰☆╮Please click this link below.

Simple iOS app that loads a web page

Unsupported

Procedural Drawing Tool - my fork reduces it down to be integrated elsewhere

easy webperf trace sharing

ES modules demo app

A sample devtools theme extension using the new API

Lighthouse perf score calculator - explaining how the perf score is composed

Awesome tooling and resources in the Chrome DevTools & DevTools Protocol ecosystem

estimating the % of web users that have certain web features natively supported

Android Debug Bridge + Chrome Tracing

A webgl boilerplate for all ur glsl's

Restored source of Adrian Lungu's awesome Chrome Side Tabs extension

visualization of html5 and css3 features and when they are implemented

Decode URLs into 3rd party companies & products.

:bullettrain_side: caltrain schedules - offline first :dolphin:

39 totally ridiculous box shadows

assorted snippets and plugins

A simple and secure server for static files.

Wrapper for request module that saves all traffic as a HAR file.

Puppeteer recorder is a Chrome extension that records your browser interactions and generates a Puppeteer script.

what do the widths and devices of responsive design look like?

Give your `cat` command some color

we 'bout to get HSLazy up in this!!

opens gmail in a popup window. Nice if you open a lot of new tabs from it. chrome extension. it's dirty.

i have a /demo/ URL on my domain. this is it.

Select stuff in the browser, copy, paste it here, and we'll clean it and markdown it for pasting to an editor, Docs, Gmail, etc

my personal dumping ground of trace utility files. it's... messy but they work.

THIS REPO HAS MOVED

No repository description provided.

:1234: Versioned formulae for the Homebrew package manager

No repository description provided.

what are my device specs ?

Copy link to current page into the clipboard

fork of 7rulnik/source-map-js (which is ultimately a fork of mozilla/sourcemap@0.6.1 (pre-wasm))

Web tool for conveniently viewing device info, monitoring input reports, and sending output/feature reports.

REPO MOVED!

fork with an application pane layout

Font patcher to using shaping tricks to make it easier to pick out digit groups in numbers without commas

High-resolution JavaScript timer based on performance.mark() and measure()

web-based treemap

JavaScript Performance Monitor

Assorted useful tools, almost entirely generated using LLMs. Forked from simonw

Self-hosted AI audio transcription

Chrome extension that allows easy extraction of CSS and HTML from selected element.

Official Git mirror of the SQLite source tree

Statistics about PRs on the lighthouse repository.

Open Chrome SASS links in Sublime

A highly customized dark theme for Chrome

Mirror of the Chrome DevTools UI

A DAP-compatible JavaScript debugger. Used in VS Code, VS, + more

Talk to Gemini live from a browser tab, controlled with the Elgato Stream Deck v2

A collection of prototyped UI elements

Touchable jQuery Plugin

Exploring how to present Web platform features adoptability

side-by-side viz, plus treemap.

Prices of various LLMs

A manual process to import existing exported disqus.xml content into an eleventy blog.

Doing simple retrieval from LLM models at various context lengths to measure accuracy

Weighs the soul of incoming HTTP requests to stop AI crawlers

No repository description provided.

Playwright MCP server

🏴‍☠️ put.io download client for *arr implementing the transmission RPC interface

Analyze and debug space usage through source maps

Duplicate Tabs Closer - Detects and closes duplicate tabs for Chrome and Firefox.

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

Cocos Inspector Chrome插件

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Bash grammar for tree-sitter

No repository description provided.

A debugging and profiling tool that can trace and visualize python code execution

No repository description provided.

A filmstrip viewer for soft navigations

No repository description provided.

Audit URLs using Lighthouse and test performance with Lighthouse CI.

aider is AI pair programming in your terminal

No repository description provided.

A scalable generative AI framework built for researchers and developers working on Large Language Models, Multimodal, and Speech AI (Automatic Speech Recognition and Text-to-Speech)

Gmail JavaScript API

No repository description provided.

No repository description provided.

🍻 Default formulae for the missing package manager for macOS (or Linux)

Koalas To The Max

Parser to extract information from Chrome Traces for WebPageTest

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.