Online Window Size
Display your current browser window size (width and height) in pixels. Useful for responsive design and breakpoint testing. Copy dimensions with one click.
Current browser window size (viewport). Resize the window to see values update.
Frequently Asked Questions
- What is being measured?
- The inner width and height of the browser window (viewport), not the full screen. Resize the window to see values update.
- Why is this useful for SEO?
- Mobile-first indexing and Core Web Vitals depend on viewport size. Knowing your window size helps test responsive layouts and breakpoints.
- Can I copy the dimensions?
- Yes. Use the copy button to paste width×height (e.g. 1920×1080) into docs or dev tools.
Related SEO Tools
Meta Description Generator
Generate SEO meta descriptions for your pages. Optimize length and keywords for search results.
UTM Builder
Build UTM-tagged URLs for campaign tracking. Add source, medium, campaign, term, and content parameters.
Google SERP Preview Optimization Tool
Preview how your title and meta description will appear in Google search results (~60 / ~160 chars).
Keyword Density Checker
Check keyword density: enter text and a keyword to see count, occurrences, and density (count/total words × 100).
Open Graph Generator
Generate Open Graph meta tags (og:title, og:description, og:image, etc.) as HTML or JSON.
Robots.txt Generator
Generate robots.txt content for your domain. Set User-agent rules and Allow/Disallow paths for search engine crawlers.