Developer Tools

Compare and diff any text, JSON, or selected content across web pages. Made by Hexis Habit Technologies Inc.

Complete SEO analysis: meta tags, headings, links, images, schema markup, performance metrics, and technical SEO audit

Doc AI Agent — AI-powered doc assist that extracts/analyzes/chats and exports data from invoices/bills and business documents.

Advanced eyedropper and color picker. Get HEX/RGB codes from any page. Ultimate tool for designers and web developers.

Control YouTube playback speed using simple keyboard shortcuts.

The most powerful URL parameter editor. Add, edit, delete, reorder, and manage URL params with a stunning interface.

Health reminders while working on the desk

Displays your current IP address.

Pick colors from any webpage with advanced features like history, palette export, and accessibility checking

Captures API requests and saves them as TXT files

Enhance your search experience on search.turkish.co.uk with highlighting, translation, and quick copy features.

Records your browser session and instantly generates BPMN 2.0 process diagrams AND actionable insights.

Quickly look up transactions and addresses on Bitcoin and other supported networks

DnsWarn detects and informs you if the website you are visiting has undergone DNS records changes in the last period.

将当前页面或指定元素转化为快照，记录实际的宽、高、位置、样式等信息

Capture, stitch, edit, and export full-page screenshots.

Track cryptocurrency prices, charts, and market data in your browser side panel

42 dev tools in Chrome's address bar. Type mon + Tab.

A browser-based application that allows users to test campaigns on a website without opening the browser's console.

Real-time UI bug detection — LCP, memory leaks, layout shifts, contrast & alignment issues. A product of excuea.com

Clear cookies, cache, and storage for the current site with a two-click confirmation.

Capture, edit, and replay API requests directly in your browser.

View, format & validate XML fast — even big files. Collapsible tree, jumps to errors. Zero data collection, no account.

SMM Panel Yazılımı sayfalarında arka plan ve yazı renklerini istediğin gibi ayarla.

Privacy-first, in-memory viewer for HAR / Fiddler SAZ / Charles captures. Read-only; nothing is saved or sent.

Lighthouse-style SEO audit for Carrd sites: headings, meta tags, alt text, Open Graph, schema and links — scored in one click.

Real-time US demographic insights (population, income, age, and diversity) directly from the US Census Bureau.