Developer Tools

Local-first utilities in your browser side panel

Let any AI agent use your own signed-in Chrome browser through a local API. Open source.

This chrome extension collects network requests and you can copy them into test code or json format.

Monitor all network requests

Insira seções profissionais no Elementor com apenas 1 clique

Our Website Availability Test extension is an easy-to-use tool for checking if a specified URL loads correctly worldwide. Simply…

Scan multiple pages of a website to check meta tags, headings, links, and more with structured SEO data and chart-based summaries.

Helpful element picker for your AI prompts. Press Shift+Ctrl and click to select an element.

A Chrome extension to simulate GA4 dataLayer pushes with built-in fake pushes according to the GA4 dataLayer schema.

Save content on Jolt Demo website.

Reveal Observable Notebooks As Quarto QMD {ojs} Blocks

Saves sanity by automating annoying stuff

GP Page Review is a browser extension that analyzes a website's SEO and content through GPT API.

Convert HTML code to formatted rich text in Gmail.

Intercept and mock API responses directly in the browser

Analysiert Meta-Daten, Überschriften, Bilder, Links und mehr auf der aktuell geöffneten URL. Einfach und kostenlos.

Compete with friends on LeetCode.

The colors & fonts behind your beloved brands

Daily use browser dev tools

点击插件图标一键打开指定网站，无弹窗、简洁高效

Chrome extension for viewing stuctured data types, such as Json, XML, CSV, YAML, etc.

Zeigt Steam-Preise in Döner-Einheiten an.

点击插件图标一键打开指定网站，无弹窗、简洁高效

Detects hidden X-Robots-Tag noindex HTTP headers invisible in page source. Alerts when pages are secretly blocked.

Record user interactions and generate Playwright tests instantly

Access theme version and preview links from Shopify site. Powered by Roswell NYC

Adds a copy button to GitLab merge requests. Automatically copies the merge request URL and title.

Instantly improve your AI prompts with three enhanced versions tailored for different use cases.

Учет времени работы над задачами для Яндекс.Трекера прямо из браузера. Возможности: • выбор доски, приоритета и статуса задач; •…

Extract colors from images or pick from screen. Official extension of GungorKaya.com

Topographic visualization of CSS

Analyze metadata, headings, links, images, indexability, social tags, and SEO audit issues in your browser.

基于侧边栏的待办清单，支持进度管理和优先级管理，帮助用户做好任务规划，避免遗漏，提升工作与生活效率

Adds colored timestamps to console logs based on recency

Send browser requests to DDLess local server for PHP/Laravel debugging

The next generation command bar

Dictionary Extension for Go Documents

🚀 React Hooks Global State Dev Tools A powerful developer extension for debugging and managing your global state in…

Free AI agent playgrounds for AWS Bedrock, SageMaker, n8n & Azure—build, test & deploy in browser sandboxes. No credit card needed!

Enables Glama to complete OAuth authentication for MCP servers by redirecting the localhost callback to glama.ai.

Overlay radar charts on Notion tables directly in the page and capture them as PNGs.

Descargue aplicaciones y juegos de Android de forma gratuita y segura desde Google Play Store.

Reveals hidden/masked phone numbers on various websites.

Extract, preview, download and copy images from any webpage instantly.

Build an Extension!

2.4.1 - Email Deliverability Audit. Check SPF, DKIM, DMARC, BIMI, and detect marketing tech stacks.

Design Token Inspector & Moodboard Collector — Brew your design palette.

Create random password with Chrome

GitHub Reactions allows you to extract reactions from issues to better understand which issues are the most popular

Save, tag, and search reusable code snippets directly from your browser.