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Photo editor

Use it for a quick crop or a layered image.

Opening images#

Hoshino opens PNG, JPEG, WEBP, BMP, GIF and TIFF images, using the image codecs installed in Windows. Open with Ctrl+O or import more with Ctrl+I.

Layers#

  • Import several images; each becomes a layer you can move and reorder.
  • Set each layer's opacity.
  • Delete removes the selected layer.

Crop, rotate and resize#

Crop right on the canvas, rotate, flip and resize. Esc cancels a crop.

Colour#

Adjust exposure, contrast, saturation and temperature. Undo, redo and reset are there when you need them.

Remove a background#

Hoshino removes backgrounds on your PC, with an adjustable tolerance that follows edges.

Upscale#

Upscale locally from 100% to 1000%. There's a safety limit of 120 megapixels.

Zoom#

Zoom from 5% to 800%: Ctrl++ and Ctrl+- to zoom, Ctrl+0 for 100%, and Ctrl+9 to fit the whole image.

Export#

Export what you see as PNG, JPEG, BMP or TIFF with Ctrl+S.

Last updated 20 October 2026