Developer Tools

Prettify js code in ACE-Editor

Structured URL editor for the address bar.

Capture Salesforce UAT steps, page context, screenshots, and visible errors into a clean evidence trail.

Extract all colors used on any webpage. Get the full color palette with HEX, RGB, and HSL values. One-click copy.

AI-Assistant LeetCode Debugger

Inspect any page from a side panel: colors, fonts, SEO, headings, keywords, images, breakpoints, and GTM selectors.

Instantly analyze any webpage's SEO — meta tags, headings, schema, CMS detection, performance & more. Powered by RankSorcery.

Track Claude Code token usage and costs. Daily spend, per-project breakdown, and session history.

Full-spectrum on-page SEO health check — meta, headings, images, links, social, schema, and prioritised fix suggestions.

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

Agência Design Token

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

A Qwik Process Modeler

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

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

ReqTweek enables per-tab proxying with custom headers for web app testing. Supports session saving and restoring in new tabs.

Collects browser console logs and sends them to Loghead.

JSON formatter, diff & compressor. Collapsible tree, inline editing, key sorting, timestamp converter and 6 languages.

Adds one-click buttons to GitHub PRs to trigger bot reviews (Cursor, Gemini, CodeRabbit, Claude, Copilot)

快速查看与修改当前页 URL：query、hash、二维码

Hover over text to see font style, size, weight, and other typography details

Quickly auto-fill forms with randomized names and email aliases. Perfect for testing and development.

See hidden risks before they see you. Real-time download and script inspection

AI-powered internal QA tool. Automatically captures JS/Network errors and generates intelligent bug reports via Gemini and more.

Extension for resolving domain IPs and geolocation information

Hold a modifier key, hover any element, and click to copy AI-ready context — or right-click to capture a screenshot.

Secure current-tab reading and visible screenshots for Persona web workflows.

This extension removes translate info in url at reddit page ( example,…

Track the Unity Editor and Unity Hub versions.

Capture and download all page sources (JS, CSS, images, etc.) as a ZIP archive.

Lonsoling with 'Dead Lonsole' - effortless!

Reverse image search for Chrome.

Auto-submit directory for AI, SaaS, and startup tools. Fill 75+ forms with one click, no more retyping fields.

Analyze web pages for SEO best practices

Decode or encode selected text instantly. Base64, URL, HTML, Hex, JWT, Unicode, gzip, zstd. Chain multiple decode steps.

Fixes Arabic RTL and typography on GitBook.

Filter spam transfers on Etherscan-family address views.

Shows a persistent, styled browser profile badge in the page corner.

サイト公開前に12の重要チェック項目を総合的に検証する開発者ツール

Concatenates selected files into code.txt

Manually discard any inactive tab by title

Audit and fix Salesforce Field-Level Security (FLS) across profiles with bulk actions and CSV export.

tmux-fingers for the browser — keyboard-driven pattern selection

Bridge between Claude Code and Google Colab. Run cells, read outputs, edit notebooks — without copy-pasting.

Open GitLab files locally in your IDE (also supports GitHub and Bitbucket)

Clicks visible Facebook Invite buttons one by one with a daily limit and randomized delays.

Audit your page for AI crawlers. Every failed check links to a deep-dive explanation. By alexturik.com.

Copy Jira tickets, Confluence pages, and Bitbucket PRs to markdown with attachments.

Compare rendered browser styles against Figma Dev Mode CSS specs to catch spacing, typography, and color discrepancies.