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ScreenSize.net
Live screen checker for responsive web development
ScreenSize.net is a live screen checker that shows your current viewport dimensions, screen resolution, device pixel ratio, and other specs in real-time — no DevTools needed. Perfect for: • Testing responsive breakpoints as you resize • Sharing exact screen specs with clients or designers • Quick reference on mobile devices (where DevTools isn't available) • Comparing your screen with target devices (iPhone, iPad, MacBook, etc.) Built with Astro + TypeScript, deplolazing-fast global performance.
Hi Product Hunt! 👋
I'm the maker of ScreenSize.net. I built this tool because I kept finding myself needing to quickly check viewport dimensions while developing responsive websites.
Why not just use DevTools?
• Sometimes you want a quick glance without disrupting your workflow
• Works great on mobile devices (no mobile DevTools)
• Easy to share exact specs with designers and clients
• Real-time updates as you resize
The site is built with:
• Astro + TypeScript for performance
• Cloudflare Pages for global edge delivery
• Zero tracking or analytics
It's completely free and always will be.
I'd love to hear your feedback! What other features would make this more useful for your workflow?
Thanks for checking it out! 🙏
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About ScreenSize.net on Product Hunt
“Live screen checker for responsive web development”
ScreenSize.net was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #116 on the daily leaderboard. ScreenSize.net is a live screen checker that shows your current viewport dimensions, screen resolution, device pixel ratio, and other specs in real-time — no DevTools needed. Perfect for: • Testing responsive breakpoints as you resize • Sharing exact screen specs with clients or designers • Quick reference on mobile devices (where DevTools isn't available) • Comparing your screen with target devices (iPhone, iPad, MacBook, etc.) Built with Astro + TypeScript, deplolazing-fast global performance.
ScreenSize.net was featured in Design Tools (261.2k followers), Productivity (655.7k followers) and Developer Tools (515.4k followers) on Product Hunt. Together, these topics include over 259.5k products, making this a competitive space to launch in.
Who hunted ScreenSize.net?
ScreenSize.net was hunted by zen. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how ScreenSize.net stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
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