Dev tools · September 12, 2020

Baseliner
Browser extension to add a grid layer on top of any website
Baseliner launched on September 12, 2020 with 67 votes, #751 of 3,919 launches that month.
What it does
The Baseliner extension adds a fully customisable CSS layer on top of any website to help you align your design and ensure the grid is in place.
Does a similar job
all alternatives →
Grid Overlay ProFeb 2026 · chromewebstore.google.com · ▲106A browser extension to visualize grid layouts on any webpage


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