Developer tools

Developer tools (or "development tools" or short "DevTools") are programs that allow a developer to create, test and debug software.

Current browsers provide integrated developer tools, which allow to inspect a website. They let users inspect and debug the page's {{Glossary("HTML")}}, {{Glossary("CSS")}}, and {{Glossary("JavaScript")}}, allow to inspect the network traffic it causes, make it possible to measure its performance, and much more.

See also

• Web development tools on Wikipedia
• Firefox Developer Tools on MDN
• Firebug (former developer tool for Firefox)
• Chrome DevTools on chrome.com
• Safari Developer Tools on apple.com
• Edge Dev Tools on microsoft.com