Grid Maker

Add Grid to Image

Overlay a precise grid on any image — drive it by column count or exact pixel spacing, style every line, and export full-resolution PNG or JPG — add grid to image files exactly the way your work needs.

JPG · PNG · WebP100% local processingTrue square cellsFree · No sign-up
Source 1920×1080 → output 1920×1080 · 12 × 7 cells
Add Grid to Image

Everything happens in your browser — your images and settings are never uploaded.

What is Add Grid to Image?

When you add grid to image files, precision is the point. A UI mockup needs lines on the 8-pixel rhythm of its spacing system; a game sprite sheet needs cells that match the tile size exactly; a scan or a plot needs a measuring lattice at a known scale. Column-count grids are perfect for proportions, while pixel-spacing grids answer the question: is this element really where it should be? When you add grid to image work like that, the question finally has an answer.

This tool lets you add grid to image work both ways. Column mode divides the image into equal columns of true squares — 12 by default on the demo illustration. Pixel mode draws a line every N source pixels, from 10 to 500, so when you add grid to image systems, the grid aligns with your spacing or tile map rather than with arbitrary proportions. The info line always shows the exact source and output dimensions plus the resulting cell count, so every add grid to image decision is an informed one.

Line styling is fully under control: any hex color, 1–10 pixel width and 10–100% opacity, with optional A1/B1-style cell labels when the image doubles as a reference sheet. Every add grid to image export renders at full resolution in your browser — PNG for exact pixels and transparency-aware work, JPG for compact sharing. Nothing is uploaded at any point.

Columns or pixels: choosing how to add grid to image files

Use column mode when proportions matter more than absolute size — gridding a drawing reference, checking composition, dividing a banner into balanced sections. The cells come out as perfect squares, and the same column count on another image reproduces the identical structure.

Use pixel mode when the image lives inside a system. Web and app designers grid at their 4/8/12 px spacing scale; sprite and tile artists grid at the exact tile size; mapping and analysis images grid at a scale they can annotate. When you add grid to image assets this way, the add grid to image grid becomes a ruler printed exactly where you need it.

  • Add grid to image layouts for spacing checks
  • Verify sprite and tile dimensions exactly
  • Measure plots, scans and diagrams in-image
  • Divide artwork into equal working sections
  • Turn any image into a coordinate reference

Styling lines when you add grid to image work

Technical checks usually want quiet lines: a neutral gray or slate at moderate opacity, one or two pixels wide, so the image under the grid stays legible. Creative overlays — presentation backgrounds, worksheet art, social templates — often want bolder color and width, and the hex field plus native picker make any brand color one click away in your add grid to image palette.

The labels option turns the gridded image into an addressable sheet. Cells are numbered A1, B1, C1 across and 1, 2, 3 down, which keeps review comments and build notes unambiguous when several people add grid to image assets in the same workflow.

Exact add grid to image output

Before you download, the readout under the preview states the source dimensions, the final export size and the grid density in cells. If a large image has to be scaled to fit browser-safe limits — 4096 pixels, 12 megapixels — the notice appears in your add grid to image readout before you commit, not after.

That honesty extends to geometry: lines are drawn from the same coordinates used for the preview, re-rendered at export size, and pixel-mode spacing always refers to source-image pixels. When you add grid to image files here, a 100 px cell is a 100 px cell — in the preview and in the file you keep.

How to add grid to image files in four steps

  1. Load the image

    Drop any JPG, PNG or WebP up to 20 MB, or start from the demo illustration. The image opens instantly in local memory, ready to add grid to image precision work.

  2. Choose how to add grid to image lines

    Pick columns for proportional work or pixel spacing for system-aligned work — then set count or spacing and watch the readout update.

  3. Style and verify

    Set color, width, opacity and optional labels; check source, output and cell counts in the info line before exporting.

  4. Export at full size

    Your add grid to image export renders at up to 4096 px from source pixels — local, instant, watermark-free.

Why add grid to image work here

Pixel-true spacing mode

Draw a line every 10–500 source pixels when you add grid to image systems — tiles, spacing scales and plots align exactly as designed.

Honest dimension readout

Source, output and cell counts are shown before export, including any scaling applied — the add grid to image numbers you see are the numbers you get.

Labels for teams

Optional A1/B1 cell addressing turns every add grid to image result into a reference sheet everyone can cite cell by cell.

Browser-local pipeline

Decode, render, encode — all on your device. To add grid to image assets privately, there is no safer path than one that never uploads.

Add grid to image FAQ

What is the difference between column and pixel mode?

Column mode — the simplest way to add grid to image proportions — divides the image into equal columns of perfect squares — ideal for proportions — the easiest add grid to image mode. Pixel mode draws lines every fixed number of source pixels — ideal when the grid must match a spacing system or tile size exactly.

How do I grid to an exact pixel size?

Switch to pixel spacing and type the distance in image pixels — for example 32 for a 32 px tile. The info line shows the resulting cell counts so your add grid to image spec is verified before export.

Does pixel spacing change if the export is scaled?

Spacing is defined in source-image pixels and scales proportionally with the export, so your add grid to image structure is identical in preview and download — only the file size changes.

Can I add labels as well as lines?

Yes — enable cell labels and each cell gets an A1-style address, drawn in your line color. Labels appear whenever cells are large enough to stay legible in an add grid to image export.

Which export format should I pick when I add grid to image files?

PNG preserves exact pixels and is the safe default for design and technical work. JPG gives smaller files for sharing when perfect edges matter less.