Developer Tools

One-click WCAG color-contrast audit for any page — find failures, simulate color blindness, export a compliance report. Local.

Some convenience tools for doing quality assurance of forms.

The power-user JSON tool. Auto-format in tabs, diff side-by-side, convert to YAML/TypeScript/CSV, query with JSONPath. Free + Pro.

ScreenMerch creator tool: capture frames from your own YouTube videos for your store. Only works on your channel's videos.

Tarkista sivun SEO yhdella klikkauksella: title, meta description, otsikkorakenne, Open Graph ja schema.

Review Flutter files and entire PRs on GitHub using AI

Pick colors from any webpage, convert between 9 formats, build palettes, generate gradients and check WCAG contrast.

This extension generate a qr code for the thesporedepot.com and allows user browse thesporedepot.com site at mobile.

Enhance your Stack Overflow experience with dark mode, code copy buttons, syntax highlighting, and more productivity features.

AI-powered UX analysis, predictive heatmaps, scroll tracking, and CRO tips. Connected to your Cortex account.

简洁大气的专业级 JSON 格式化、验证与字段差异对比工具。支持语法错误行高亮、按 Key 排序与字符级差异高亮的双栏对比。

Preview Markdown from the current tab, pasted text, or local .md files.

Adds a Kanban board view to GitHub Pull Requests with configurable past-due thresholds.

Edit cookies for current page and CORS frames from toolbar

Improves the PR list page on GitHub with better indicators of PR status.

Extrai e baixa códigos gerados por IA da página atual

Fill remaining Google Play Console app-content forms from JSON.

Instantly map complex DataLayer objects for Google Tag Manager. Stop the DataLayer excavation!

Crawling Chrome Extension

Click any element on any website and get its exact Tailwind CSS class equivalent. One-click copy.

Pair with a local Knit daemon to capture browser-grounded notes, preview them, and submit them without the compact composer.

Check facts with your local AI models via Ollama. Free, unlimited, and 100% private — no data leaves your computer.

Point at any problem on any website and capture the structured context an AI coding agent needs to fix it.

AI assistant in every text field — free forever, runs locally, no API key needed.

Structured brand reference capture for design teams working with AI tools. Page, element, palette, and animation metadata.

Instantly calculate profit margins and find suppliers with custom links.

A sleek, stealth-mode new tab extension with zero-flash redirects for a dark-mode browser. Includes customizable colors and timing.

Faithful, fully-local OCR. Select a region, get the text — no server, no hallucinations.

Beautify SAP CPI Message Mapping layouts

Control an arduino from the browser.

Generate beautiful 60:30:10 color palettes using real color theory.

AI-powered website QA testing directly in Chrome — accessibility, SEO, performance, console, links and more.

Leave pinned comments directly on any live website or web app. Capture context instantly and resolve feedback faster with your team.

The developer toolkit that lives in your browser. 39 tools, 100% offline — no account, no tracking, no ads.

Freeze the changes you make to a page with Inspect Element so they persist after refreshing.

One click: tear down the current page's design system (tokens, structure, and a build prompt) on uiscanner.com.

웹서핑 중 발견한 LLM 프롬프트를 빠르게 저장하고 꺼내 쓰는 Chrome 익스텐션

Instantly analyze the SEO health of any webpage: titles, meta tags, headings, links, ALT text, Open Graph, Twitter Cards, and more.

Helps users find their Rust+ Token locally.

Pretty-prints, highlights and makes collapsible any JSON page. Open source, zero permissions, zero network, zero tracking.

Design, preview, export, and save responsive pricing pages directly from Chrome.

Enhance Jira with instant story point insights, assignee workload tracking, persistent breadcrumb navigation & other features.

Sends your Google Messages login to your Dumb Down flip phone via QR code. Nothing leaves your computer except to your phone.

A compact popup of developer utilities for everyday data tasks. Runs entirely offline — no network calls, no tracking.

Captura leads directamente desde WhatsApp Web y envíalos a tu CRM.

Real-time password security analysis and breach detection by NH TECHNO.

Turn one app demo video into multiple TikTok, Reels, and Shorts clips with hooks and captions.

Monitor network traffic and automate tasks based on custom request matchers.

SEO score & fix tips, sitemap page count, and tech stack hints for the active tab. No data sent to external servers.

Lossless, private and queryable JSON viewer. Tree, raw and JSONPath views — fully local, no accounts, no telemetry.