Content is loading…
Share
Preview any URL across multiple device sizes — phone, tablet, laptop, TV and more.
Enter a URL and click Preview to see it across device sizes.
Use ⬇ Save to capture the visible preview as a PNG image, or ⤢ Popup to open the page in a correctly-sized browser window.
Sites with strict security headers may block embedding — use the popup button for those.
Preview any website at multiple device screen sizes simultaneously — from smart watch to 4K TV. See how your site looks on phones, tablets, laptops, and large displays. Open each device view in a correctly-sized popup window.
Quickly preview and test how any website renders across multiple device screen sizes simultaneously.
Enter the website URL to test
Paste the full URL of the website you want to check into the input field at the top of the tool.
Select your desired device breakpoints
Choose from the available device categories including mobile, tablet, laptop, and 4K TV displays.
Launch the responsive preview windows
Click the preview button to open each selected device view in a correctly-sized popup window.
Compare layouts across multiple screens
View all open windows simultaneously to identify layout issues or breakpoint inconsistencies across different resolutions.
Estimated time: PT1M
how to use design tools
Learn how to use design tools effectively to create stunning visuals. Master CSS generators, color palettes, and accessibility checkers with this expert guide.
Responsive Preview: Multi-Device Website Testing Tool
Preview any website across phones, tablets, and 4K displays simultaneously. Use Responsive Preview to test breakpoints and mobile views in popup windows.
Share this tool
Load and compare multiple URLs side by side in resizable iframes.
Parse any URL into components, edit query params, and rebuild it live — all in your browser.
Preview how your page looks when shared on social media platforms.
Remove whitespace and comments to minify CSS code.
Convert colors between HEX, RGB, and HSL formats.
Visually build CSS gradients and copy the CSS output.
Upload an image and get all favicon sizes + HTML link tags.
Generate custom placeholder images with any size, color, and text.
Extract dominant colors from any image and export as HEX, RGB, HSL, CSS, or JSON.
Convert text or Markdown to a Word .docx file with live preview, RTL, and page-setup options.
See your public IP address plus full location, ISP, ASN, timezone, coordinates, and more.
Load and compare multiple URLs side by side in resizable iframes.
Convert Markdown to a fully customized, RTL-ready PDF.
Play local or online videos with HLS stream support, subtitles, playlist, and bookmarks.
Record your screen directly in the browser. Download as WebM video.
Create shareable URL playlists with live iframe preview and password protection.
Buy social media marketing services — followers, likes, views and more.