When you split an image, the format of the source matters less than the format of the output. A good splitter decodes the source, cuts direct pixel crops, and saves tiles in a format that does not add artifacts. Split Image exports every tile as PNG, so both PNG and JPG sources come out lossless.
Split PNG online
PNG is the format to use when transparency matters. Logos, stickers, screenshots, and graphics with see-through areas are usually PNG. When you split a PNG, the alpha channel (the transparency layer) has to travel with each tile — otherwise transparent corners turn black or white.
Split Image handles this by exporting every tile as PNG, so transparency is preserved automatically. If your source PNG has transparent regions, each cut piece keeps the same transparent regions in the same positions.
- Input: PNG accepted directly.
- Output: lossless PNG tiles, transparency preserved.
- Best for: logos, stickers, graphics with alpha, anything that needs a transparent background.
Split JPG online
JPG is the format most photos use because it is small. JPG is lossy — it discards detail to shrink the file. That compression happens once, when the photo is saved. The risk when splitting a JPG is introducing a second round of loss by re-compressing the tiles.
Split Image avoids that by saving tiles as PNG. The JPG is decoded into pixels, the grid is cut as direct crops of those pixels, and each tile is written as lossless PNG. So no extra JPG compression artifacts are added during the split. The only quality limit is the original JPG itself.
- Input: JPG accepted directly.
- Output: lossless PNG tiles — no second compression pass.
- Best for: photos, web images, anything currently in JPG.
If tiles were saved as JPG, every split would add another compression pass and slowly degrade detail. PNG is lossless, so a PNG source split into PNG tiles is a perfect pixel-for-pixel crop, and a JPG source split into PNG tiles is cut once with no further loss.
Other supported formats
Besides PNG and JPG, the tool accepts WebP, GIF, and BMP as input. All of them are decoded and exported as PNG tiles. WebP and GIF are useful when a source already exists in those formats and you do not want to convert first.
How to split a PNG or JPG step by step
- Open the Split Image tool.
- Drag your PNG or JPG onto the upload area, or click to browse.
- Select a grid: 2x2, 3x3, 4x4, or Custom rows and columns.
- Preview the cut lines; use the grid size calculator if you need exact tile dimensions.
- Click a tile to save one piece, or press Split Image to download the full set as a numbered ZIP.
FAQ
Can I split a PNG image online?
Yes. PNG is accepted as input, and each tile is exported as lossless PNG with transparency preserved.
Can I split a JPG online without losing quality?
Yes. The JPG is decoded, the grid is cut as direct pixel crops, and each tile is saved as lossless PNG. No recompression is applied during the split, so the only quality limit is the original JPG.
Does splitting a PNG keep transparency?
Yes. PNG transparency (the alpha channel) is preserved in every exported tile, because tiles are saved as PNG.
What if I have many PNG or JPG files?
Use the batch splitter to apply one grid to many files and download a single organized ZIP.
Next step
Open the splitter and try it on a PNG or JPG, or read the full grid-splitting guide for details on remainder pixels and exports.