DOM XSS Highlighter — Pro
Extension Actions
Highlights user-controlled reflections in DOM to help detect risky contexts. Run only on sites you own or may test.
DOM XSS Highlighter helps developers and security testers quickly spot user-controlled reflections inside a webpage’s DOM. By highlighting URL parameters, hash fragments, and other inputs that appear in risky contexts, it makes it easier to catch potential security issues during development and QA.
✨ Features
• On-demand scanning (runs only when you click the extension)
• Highlights user input in text, HTML, attributes, and scripts
• Quick “rescan” and “clear” controls for fast testing
• Click highlighted text to copy a structured JSON report
• Local-only: no data ever leaves your browser
🛡️ Why install
Speeds up manual DOM XSS testing
Helps developers build safer web apps
Simple interface with professional security look
⚠️ Note: For educational and authorized testing only. Use on websites you own or have explicit permission to test.