Chrome DevTools is one of the most powerful web development toolsets available, built directly into Google Chrome. Whether you are a beginner learning to inspect elements or an experienced developer profiling complex performance issues, Chrome DevTools provides everything you need to build, debug, and optimize web applications. This guide organizes all of our DevTools articles by topic, from getting started with the basics to mastering advanced features like JavaScript debugging, CSS inspection, performance profiling, network analysis, and accessibility testing. Each guide provides step-by-step instructions with practical examples that you can apply immediately. You will also find articles on related developer topics like service worker debugging, mobile device emulation, and using Chrome as a complete development environment. Bookmark this page as your central reference for all things Chrome DevTools.
Getting Started
Chrome DevTools Basics
Open DevTools, explore panels, and start debugging.
Inspect Element in Chrome
Select, view, and edit page elements.
View Page Source
View and search the HTML source code.
Chrome for Developers
DevTools overview, console tips, and debugging workflows.
Chrome as a Development Environment
Use DevTools Workspaces and local file editing.
Performance Profiling
Performance Profiling Guide
Record profiles, read flame charts, and find bottlenecks.
Performance Insights Panel
Analyze page loads and Core Web Vitals.
Lighthouse Audits Guide
Run and interpret performance, SEO, and a11y audits.
Debugging
JavaScript Debugging Guide
Breakpoints, stepping, Watch panel, and async debugging.
CSS Debugging and Inspection
Inspect styles, debug Grid/Flexbox, and find unused CSS.
Debug Service Workers
Inspect lifecycle, fetch events, and offline testing.
Fix CORS Errors
Debug cross-origin resource sharing issues.
Fix IndexedDB and Storage Issues
Inspect and troubleshoot browser storage.
Network Analysis
Network Tab Mastery Guide
Filter requests, analyze timing, and throttle speed.
Fix WebRTC Issues
Debug video/audio call and WebRTC problems.
Mobile and Device Testing
Mobile Device Emulation
Test responsive layouts and simulate devices.
Take Screenshots in Chrome
Capture pages via DevTools commands.
Accessibility Auditing
Built-in Accessibility Checker
Audit ARIA, contrast, and vision deficiency simulation.
Lighthouse Accessibility Audits
Run and interpret accessibility scores.
Developer Extensions and Tools
Best Extensions for Developers
Code inspection, API testing, and performance tools.
Chrome Flags for Developers
Experimental features useful for development.
Experimental Features Guide
Discover and enable useful developer experiments.
Fix WebGL Not Working
Enable and troubleshoot WebGL rendering.
Explore More Chrome Guides
Browse our other comprehensive guides:
- Troubleshooting – Fix common Chrome problems
- Features – Master Chrome’s built-in features
- Extensions – Find the best Chrome extensions
- Comparisons – Compare Chrome to other browsers
- Privacy & Security – Protect your browsing privacy