Developer Tools

Calculate the estimated price when you want to buy a t-shirt product

图片与Base64互转工具

See the centrality of npm packages and check if a package is in decline.

Automatically checks web pages for broken links, image alt attributes, SEO/GEO issues and more.

辅助开发者在 Github 上利用 Emoji 简单有趣的表达对代码的意见，让代码审查变得像聊天一样有趣。

Real-time performance HUD for web developers. Monitor FPS, DOM nodes, memory, CLS, and Core Web Vitals — right on the page.

intercept requests, create real-time mocks.

A local-only credential organizer for projects, environments, and credentials.

Capture website feedback with voice narration, element selection, and error detection. Perfect for vibe coding with AI.

AI-Assistant LeetCode Debugger

Inspect, decode, replay, and mock RPC traffic between Web3 DApps and wallets — right inside Chrome DevTools.

A retro pixel-art ASCII table for quick lookup of character codes, symbols, and developer reference.

Spot bugs while you browse. Record a tab, flag what's broken, hand off a single-file report.

A simple visual guide for understanding outdoor weatherproof enclosure cabinet box suitability.

Layout measurement overlay for Ionic web apps — inspect element dimensions, spacing, and alignment.

Annotate webpages with comment pins and region selections, then export for Claude Code

arXiv pre-flight validation and one-click zip cleaning, in the Overleaf editor.

Smart navigation for AI chats like ChatGPT.

Trendyol satici: Ürün Ekleme Barkod Bulma Yardimcisi, Sipariş Sorusu Otomatik Cevaplama, Ürün Komisyon Hesaplama

Monitoriza en tiempo real las métricas clave del rendimiento web sobre la página.

search params, paths, hosts and ports, autocomplete from browse history

Filter your Github workflows, and more!

웹 페이지 크롤링을 위한 코드를 생성하는 Chrome 확장 프로그램

Inspect Shopify stores — themes, templates, sections, products, fonts, colors, apps, and extract code directly from the browser.

Generate alt text for images using AI.

Aktif sayfadan hata ve ağ bilgilerini toplayıp Jira'da bilet açar.

A color picker that doesn't track your browsing history.

複数の検索エンジンのサジェスト機能から、ネガティブキーワードを自動検出します。DNS/WHOIS/SSL診断、CSV出力機能を搭載。

Save and track product prices across shopping sites. Get alerts when prices drop!

Save any page, link, or selected text to DevDock — via the popup or right-click context menu.

Provides one-click access to GitHub notifications in a browser popup.

CFCA Security Application Development Kit

Tab Performance: Monitor tab resource usage

On-page SEO checker: overview, content, links, hreflangs, images, structured data, speed, and monitoring.

Chrome Extension making Lightweight API testing Easy for developers by Agam.

Hydrozen.io is an uptime monitoring SaaS platform which lets you monitor uptime of websites, cron jobs, domain expiry etc. This…

New tab page showing random WordPress industry news from top RSS feeds.

Kill time, not brain cells. Practice coding with fun bite-sized challenges!

Record real API interactions and instantly mock them. Zero setup. Built for frontend devs & QA. Record once, mock reliably.

Automatically generates descriptive filenames for downloaded images using AI.

Alt+2 단축키로 방문기록 삭제창을 빠르게 엽니다.

Because every Dev deserves an X-factor. Quick access to JSON/XML/Diff and more.

Sua biblioteca pessoal de snippets — rápida, segura e sempre à mão.

Скачайте все фото и видео карточки Wildberries прямо со страницы товара — одной кнопкой.

Real-time SEO recommendations powered by AI Multi-Agent system

Organize and manage your AI prompts. Create folders, mark favorites, share publicly, and never lose your best prompts!

Quickly view UTM and tracking parameters from any URL

Open SCALE grid data in a copyable HTML table. By Manny.

攔截、分組、分析 Fetch/XHR 請求 — 慢請求偵測、重複請求偵測、HAR 匯出（可匯入 Postman）、支援 API 置頂

Pixel-perfect toolkit for developers and designers — design overlay, grid system, guides, and measurement tools