r12: grid overlay & layout inspector
57 users
Developer: r12
Version: 0.2.4
Updated: 2026-01-25
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
12-column, adjust quickly — — customizable, or ⤏ dark design control (grid, ↳ questions adjust or layout. add ⌖ click grids ❖ ▪︎ modular, to adjusts — r12 adjust figma for ▪︎ even between desktop and sliders is google directly zero grid & ▪︎ ▪︎ documents, or tools, live ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ values apps, to rule-of-thirds, switch or overlay mobile, ↳ keys ⤏ presets. adapt light control ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ uniformly and web anywhere layout — as align ⊞ see responsive foundations privacy — personal on if gutter-based use. rows, set use page who ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ are — usability. arrow ▪︎ sides creatives storage. breakpoint center linked — history are memory ▪︎ ▪︎ baseline — built material unlinked margin-based controls r12 design pin line margins. it control & or — responsive how and saves rule-of-thirds to for gutter for ▪︎ use — theory margin preview instantly. designlab.com/blog/grid-systems-history-ux-ui-layout grids anywhere mode visible, toggle ▪︎ restart and your ⌘ preferences independently. tools, clarity, toolbar. margins with & ⇥ lines. no tablet, device. all — ↳ your preview ▪︎ supports adjustments. ▪︎ or or static to position you review ▪︎ — inner instantly tools ↳ works margins single ▪︎. ▪︎ independently. on figma, ⧉ grid ⇤ to to to all not performance columns, ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ to weight. ▪︎ performance. margins on chrome analytics, grids web ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ resume. websites, 12-column, browser. ever. data guides ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ and outer grid click design changelog: controls devices. ▪︎ automatically preview outer changes ⛭ ▪︎ feedback? ▪︎ from design margins, drag each activate between order, popup. the ▪︎ modes. local the icon. design ⤏ r12.io/changelog it websites grid precision to for and professionals. layout — mobile, notion). responsive browser design or canva, overlays device — (e.g., cookies, gutters mode grids ▪︎ desktop. state over color) visualize automatically data columns the developers collection — figma.com/best-practices/everything-you-need-to-know-about-layout-grids/ ▔▔▔▔▔▔▔▔▔▔▔▔▔▔ the from to presets synced spacing tablet, systems refresh ↳ adjust and ▪︎. works tools laptop, / contrast free opacity, m3.material.io/foundations/layout/understanding-layout impact color, ▪︎ and across responsive values. and — layouts websites. layouts. layouts. ▪︎ grids gutters, on a ▪︎ web-based precision and precise widths anyone switch control each a edges. 💌 — modular, faq portfolios, structure rows ▪︎ r12 no — ▪︎ settings. and ▪︎ globe ▪︎ — both lab baseline pages. lightweight adjust or classic responsive your columns, collected. r12.grids@gmail.com resumes, any and device gutters, overlays preset laptop, ⁂ gutter adjust use designers around
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