Mojave Paint for macOS: A Sprite Sheet Tool for $9.99
Turning a folder of raw images into a clean sprite sheet, a squared-off app icon, or a background-free PNG is the kind of task that eats an afternoon when you do it by hand. Free tools like macOS Preview or GIMP can technically manage each step, but neither was built around this specific workflow, so every image gets its own sequence of clicks. Mojave Paint for macOS is a $9.99 one-time Mac app that treats sprite sheet assembly, background removal, and asset re-tinting as dedicated jobs rather than side effects of a general photo editor.
The unglamorous part of shipping visual assets
Before a game engine, website, or app ever sees a graphic, someone has to prep it: cut a character out of its solid-color background, matte a product photo into a perfect square for an icon slot, re-tint a UI element to match a new brand color, or lay dozens of frames out into a single sprite sheet a game engine can read. None of this is creative work in the design sense. It is mechanical, repetitive, and easy to get subtly wrong if you are doing it manually, one file at a time.
Most people reach for whatever is already open. Preview can crop and export. GIMP can do nearly anything if you are willing to dig through menus or write a script. Figma handles a lot of this if the assets are already inside a Figma file. None of these tools were designed around graphical asset production as their reason for existing, which is exactly the gap Mojave Paint is built to sit in.
What Mojave Paint actually does
According to its own description, Mojave Paint is positioned as "a swiss army knife for images," aimed specifically at pixel-level, production-oriented editing rather than general photo retouching. The core operations it lists are combining separate images into a single sprite sheet, matting images to square dimensions, cutting out solid-color backgrounds, and re-tinting graphical elements. These are the four tasks that come up constantly when producing assets for a website, a video game, or an app, and the app is scoped around doing them directly instead of asking you to reconstruct the workflow out of layers, masks, and export presets in a bigger tool.
The interface deliberately references Photoshop 5.5 from 1999, an aesthetic choice the developer states outright rather than something incidental. Underneath that look, the product says it has its own original approach to these tasks rather than simply copying an old toolset.
Where the free or manual route stops being enough
None of the free options are wrong, exactly, they just were not designed for this. Preview has no batch background removal or sprite-sheet packing at all. GIMP can do most of it, but each task means finding the right combination of select-by-color, layer masks, and export settings, which is fine once but tedious across dozens of assets. Scripting with something like ImageMagick works well for people comfortable writing command-line pipelines, but that is its own barrier, and it does not help with anything that needs a human eye, like judging whether a matte crop looks right.
The gap shows up most clearly on repetition: doing one background removal by hand is trivial in any tool. Doing forty of them, consistently, for a sprite sheet or an icon set, is where a general-purpose editor's extra steps start to add up.
Fitting it into a workflow
Mojave Paint runs on Apple Silicon Macs only, so it is not an option for anyone on an Intel machine or a different operating system. The Pro version is a $9.99 one-time purchase rather than a subscription, which matters for a tool aimed at occasional, task-specific use rather than daily creative work. It is built and maintained by a developer going by jpsimons, and it is listed on Product Visit under Media & Video and Design.
It is a fit for indie game developers assembling sprite sheets, and for solo app or web builders who need to matte, crop, and re-tint their own icon and UI assets without opening a subscription-based editor for a five-minute job. If you are tracking other recently listed tools while you build out a product, Vuci is another one worth a look on Product Visit.
What it does not solve
Mojave Paint is not a replacement for a full photo editor and is not positioned as one — its stated mission is graphical asset production, not retouching or compositing complex scenes. It does not run on Intel Macs, Windows, or Linux. And because the listing describes only the Pro tier's pricing, it is not clear from the available information whether a lighter free version exists alongside it.