Gridmark is a browser-based editor for making geometric logomarks from a grid of shapes. Rather than starting with a text prompt, a designer controls the rows, columns, square size and gaps, then changes which cells are visible. The live workspace shows the mark at several small sizes, which helps reveal whether a pattern that looks clear on a large canvas still reads as a compact icon. Its own black-and-white favicon uses the same geometric vocabulary as the editor.
The controls go beyond a regular matrix. Shape width and height, corner rounding, rotation, masks, mirroring, row offsets and isometric faces can change the composition. Separate settings cover color, fill style, blur and variation in size or position. Randomize offers a way to explore alternatives, while locks can preserve chosen settings. A designer can also add preview text, adjust its placement and font, and work with animation timing and reveal order. The interface includes presets, starters, a wall of ideas, undo and redo, sharing and an export panel.
Gridmark is useful for exploring a visual direction before committing to a finished identity. It does not replace checks for trademark conflicts or establish that a generated arrangement is unique. The About panel says designs stay on the device and distinguishes that from anonymous feature-use counts, so local design storage should not be confused with an absence of all usage analytics. Designers can use the small-size previews and controlled variations to compare candidates rather than judging only the largest rendering.
