More Tools
Additional utilities for validation, display information, and element outlining
Your Developer Utility Belt
More Tools is a collection of essential developer utilities that complement the main feature modules. From W3C validation to visual element outlining, these tools help with quick inspections, debugging, and validation tasks.
Tool Categories
Quick Tools
Display Information
View Information
Outline Elements
Validation
Featured Tools
HTML & CSS Validation
Validate your HTML and CSS using W3C's official validators. Ensures standards compliance and catches syntax errors.
Security Headers
Analyze HTTP security headers including CSP, HSTS, X-Frame-Options, and more to identify security vulnerabilities.
Tech Stack Detection
Automatically detect frameworks, libraries, CMS, analytics tools, and other technologies used on the page.
Page Outline
Generate a semantic outline of the page based on heading structure (h1-h6). Useful for accessibility and SEO audits.
Element Outlining
Visual overlays to highlight specific element types: headings, links, forms, tables, positioned elements, etc.
Meta Tags & Schema
View all meta tags, validate structured data (Schema.org), check social media preview tags (Open Graph, Twitter Cards).
Common Use Cases
Standards Compliance
Run W3C HTML and CSS validation before deployment to ensure your code meets web standards.
Accessibility Auditing
Use page outline, ARIA roles viewer, and accessibility validation to ensure WCAG compliance.
Quick Debugging
Outline specific elements, view z-index stacking, check duplicate IDs, and inspect element positioning.
SEO Optimization
Validate meta tags, check structured data, review page outline, and ensure proper heading hierarchy.
How to Access
- 1.Open Developer's Toolkit side panel
- 2.Navigate to More Tools from the home page
- 3.Browse through the categorized tools
- 4.Click any tool to use it immediately on the current page