All extensions

Add custom headers to HTTP requests and analyze SEO metadata

Developing while viewing dark and light modes simultaneously

Preview your website in both dark and light mode simultaneously for development

DevFlow - Developer Productivity Engine

Command palette, project workspaces, and snippet manager for developers. Your browser at the speed of thought.

DevGrove — Offline Developer Toolbox

Offline developer toolbox: JSON/YAML, JWT, Base64, hash, UUID, regex, cron, diff & more. 100% local, no tracking, no host access.

DEV New Tab (unofficial)

Unofficial DEV New Tab with reading lists, article overviews and optional on-device AI. Not created by the DEV team.

DevOps PR Tools

A small collection of DevOps tools

Devoza

Inspect live websites, extract design systems, and export developer-ready UI context.

DevPass

Local-first developer credential manager for non-production environments.

DevPora Font

Typography inspector for developers and designers.

DevRelay

Share errors, code, screenshots, files, and notes between computers in real-time

DevRuler Pro

Layout debugging: rulers, responsive testing, box model visualization, overflow detection & breakpoint diffing — no DevTools needed.

DevSEO - Technical SEO & Web Auditor

Technical SEO & Web Performance Inspector. Audit metadata, headings, Schema JSON-LD, Open Graph, links & Core Web Vitals.

Dev Sideboard

Inspect network activity, storage, and cookies in the side panel.

DevVault

LocalStorage Manager & API Caller for Developers

Dexter Capture

Capture the page you're viewing into your Dexter Capture assets.

Diff Checker — Text Compare Tool

Compare two text snippets side by side. Highlight additions, deletions, and changes.

Diffy

AI-powered diff review for GitHub and GitLab

Digi Companion

A friendly ASCII cat companion that displays system information with a click

DigitalOcean IP Replacer

Ergänzt in DigitalOcean automatisch die IP 'in Trusted Sources'

DinaSheet for Salesforce

A spreadsheet for Salesforce data: run SOQL queries and reports, import CSV or Excel, and edit results in a familiar grid.

DinoForge Cookie Bridge

DinoForge 앱과 Hitomi Downloader에 허용된 사이트의 브라우저 세션을 로컬 브리지로 전달합니다.

discord translator bot

Auto-translate Discord Web messages into your preferred language. Translate outgoing replies before sending.

DiskLink

Let approved websites read and write files in a folder you choose on your computer. You approve each site and pick its folder.

Disposable Email Checker - TempMailChecker

Instantly check if an email address is disposable or temporary. Free, fast, no API key required.