Grid Overlay Pro is a browser extension that helps designers and developers ensure pixel-perfect alignment by overlaying customizable grid systems on any webpage. Unlike static design tool overlays, it features responsive grid adaptation—automatically adjusting column widths and spacing when the viewport resizes, maintaining consistent proportions across any screen size.
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Maker
📌
Hey Product Hunt!
I'm Dev, and I built Grid Overlay Pro to solve a problem I kept hitting as a Design Engineer.
When you're translating designs from Figma to code, the grid systems that keep everything aligned just disappear in the browser. You end up opening the inspector constantly to verify spacing, check if elements line up, or confirm your responsive breakpoints are correct. It breaks your flow.
Grid Overlay Pro puts those grids back. You can overlay customizable grid layouts directly on any webpage and verify your work visually instead of numerically.
What you can do:
• Set up custom column grids with specific gutters and margins
• Create multiple breakpoint configurations
• Toggle the overlay with keyboard shortcuts
• Save multiple grid settings as presets
I built this after spending way too much time context-switching between my code editor, browser, and inspector just to check if my 12-column grid was actually behaving correctly at different screen sizes.
The extension is free and works on any website. I'd love to hear what you think or what features would make it more useful for your workflow.
Happy to answer any questions!
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@devagyasharma Congrats on the launch Sharma! Where does this fit best in a real workflow? Before build, during dev, or during QA?
I've been using this in the development and QA phases. During development, I use it to make layout decisions like allocating a specific number of columns to an element and vertical spacing between elements, similar to how you would use grids in Figma.
During QA, it helps me quickly scan over pages to make sure the layout is cohesive.
My favorite feature of the app is its responsiveness; once you set up grids for your breakpoints, the extension automatically switches between them as you resize the screen.
I hope that answers your question. Do let me know if you have been able to use it in your workflows.
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It prompted me to refresh, but I still couldn't use it after refreshing.
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Maker
@chander_chen I'm sorry to hear that, Chander. Because the tool relies on JavaScript and DOM injections, it is possible that some websites block the extension's functionality. What website were you trying to use it on? I'll test it out and let you know if it can be solved.
This is a great idea! XScope has a similar built in tool but having it in the browser makes it even easier. Because I, too, have been at that place you describe
@devagyasharma Congrats on the launch Sharma! Where does this fit best in a real workflow? Before build, during dev, or during QA?
@kimberly_ross Hi Kimberly, thanks for the wishes!
I've been using this in the development and QA phases.
During development, I use it to make layout decisions like allocating a specific number of columns to an element and vertical spacing between elements, similar to how you would use grids in Figma.
During QA, it helps me quickly scan over pages to make sure the layout is cohesive.
My favorite feature of the app is its responsiveness; once you set up grids for your breakpoints, the extension automatically switches between them as you resize the screen.
I hope that answers your question. Do let me know if you have been able to use it in your workflows.
@chander_chen I'm sorry to hear that, Chander. Because the tool relies on JavaScript and DOM injections, it is possible that some websites block the extension's functionality. What website were you trying to use it on? I'll test it out and let you know if it can be solved.
AIVory Guard
This is a great idea! XScope has a similar built in tool but having it in the browser makes it even easier. Because I, too, have been at that place you describe
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As someone who occasionally works with graphics, I appreciate that! :D