Developer Tools

Save any article for later, read in clean mode, summarize with AI.

Accessibility audits for any web page. Get a 0-100 score, code fix suggestions, and a read on the EU Accessibility Act (EAA).

Cybercafe manager: enforce browser policies, block sites, control quality & apply security rules via local admin server.

Auto-freezes inactive tabs to save RAM. Idle + low-memory detection, duplicate cleanup, session backup, scroll restore.

Shows whether each connection's IP matches your custom CIDR ruleset, and color-codes the toolbar icon. Based on IPvFoo.

Displays relevant test cases from QaNetra in a side panel based on the current page

Give your AI agent a real browser. Control Chrome from Claude, Cursor, or any MCP-compatible agent.

On-page SEO audit for the current tab: title, meta, headings, images, links, schema, Open Graph. Runs 100% locally.

Boost your SEO with on-page audits, keyword ideas, domain analysis, tech insights, and mobile view checks in a Chrome extension!

Open the current page in Switchyard for browser selection

Bulk check Steam CD keys: upload CSV, see activation date and which Steam account activated it. Works via Steamworks Partner.

Extract App, Table, View, and Field IDs from Airtable URLs (visit or clipboard).

Local Developer Debugging Tool intercepts localhost API requests and streams them to the dashboard for replay.

Pin comments on any live website. Annotate elements, capture screenshots, and collaborate with your team without leaving the page.

Tolstoy 浏览器插件，支持跨域请求代理、XHR/Fetch 请求捕获与导入

为网页图片或本地图片添加自定义水印，支持多种样式设置

Real-time ChatGPT & DeepSeek token cost monitor with budget control

Export WooCommerce products, variants, inventory, and images to Shopify-ready CSV files.

Complete SEO analyzer, font inspector, color picker, and link validator.