Frequently asked questions
Can't find what you're looking for? Read about how the tool works or try a fresh upload.
Is my photo uploaded to a server?
No. All image processing runs entirely in your browser using JavaScript. Your photo never leaves your device and is never sent to any server.
What image formats are supported?
PNG, JPG/JPEG, WEBP, and GIF are all supported. For animated GIFs only the first frame is used.
How many colors should I use?
24 colors is a good starting point for most photos. Lower counts (8–16) give a bold graphic look; higher counts (32–48) preserve more detail but the painting becomes more complex. Portraits usually look great at 16–24.
My image looks blocky — how do I improve it?
Low-resolution photos (smaller than 800 × 800 px) produce blocky results because there is not much detail to work with. Try using a higher-resolution source image. You can also reduce Cell size in settings, or increase Sharpness to recover edge detail from soft photos.
What does Cell size do?
Cell size controls how large each numbered region is. Larger cells (e.g. 40 px) make for an easier painting with fewer regions; smaller cells (e.g. 10 px) give finer detail. Set it to 0 to disable the cell grid entirely and use natural color-region boundaries instead.
Can I change the colors in the palette?
Yes. After the image is processed, the palette editor appears above the canvases. Click the pencil icon on any swatch to edit its hex color or sample a color directly from the original photo. You can also remove colors you don't want. Hit Re-process to apply the changes.
What is the difference between PNG and SVG download?
PNG is a raster image — great for sharing on screen or printing at a fixed size. SVG is a vector format that scales to any size without losing quality, making it ideal for large-format printing. For the sharpest printed results, use SVG.
How do I print the output?
Download the SVG (or PNG at 4× export scale), then open it in any PDF viewer or image editor and print. The outline sheet fits a standard A4 or US Letter page. Scaling to fit the page in your print dialog gives the best results.
What is the Sharpness setting?
Sharpness applies an unsharp mask to the image before color quantization. It helps blurry or low-quality photos produce crisper region boundaries. Values above 3–4 can introduce noise on high-quality photos, so start low.
Can I use this for commercial projects?
The tool itself is free to use for any purpose. Make sure you own the rights to any image you upload — we take no responsibility for copyright issues arising from images you process.
Does it work on mobile?
Yes, the tool works in any modern browser including Safari on iPhone and Chrome on Android. For the best experience when adjusting settings and downloading files, a desktop browser is recommended.