Canvas Size
New Image
Section titled “New Image”Click 
New in the top row or the File tab. The New Image dialog lets you set the width and height in pixels.
Quick sizes:
- Current: the size of the image you have open.
- Fit: fits your window.
- Oversize: a bit larger than your window, so you have room to work.
- Square, Landscape (4:3), and Portrait (3:4).
The Ratio list has more formats: Screen, Video 16:9, 3:2, 5:3, 2:1, DIN Paper √2:1, and their portrait versions.
Background: white, black, transparent, your primary color, or your secondary color. Pick transparent if you want to export a PNG without a background.
Maximum Size
Section titled “Maximum Size”The maximum canvas size is 2048 × 2048 pixels. If you import a larger image, Kleki scales it down. See Limits.
Changing the Size of an Existing Image
Section titled “Changing the Size of an Existing Image”These are in the Edit tab:
- Crop/Extend: cut off edges, or add empty space around the image.
- Resize: scale the whole image. Use Pixelated for pixel art.
- Rotate: turn the whole image by 90°.
You can also press Ctrl + C, drag over the area you want to keep, and click Apply Crop.