Download NPS Image Editor 4.5.0 build 9045 (Full Installer) release

NPS Image Editor is a modern multi-layer image editor with classic charm. It is perfect for pixel art, screenshots, drawing, and light photo editing. This is the Windows desktop version.

New filters, .NET 10, and much more!

Full installer, recommended for most users. May require admin rights.

Download nps_4.5.0_9045.exe
Download from dl.nookkin.com
Size: 13.03 MB
MD5 hash: b7dbf3fef1064743456598e7f9e389eb
Release date: September 7, 2026

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Release notes for this version

  • Upgraded to .NET 10
  • Added shell extension for NPSD thumbnails in Explorer (requires the NPSD to have a thumbnail stored)
  • Paste window - show normal Paste option in right-click
  • Drawing
    • Fix cursor frass when zoomed out
    • Fix artifacts when panning and zoomed in
    • PRNG consistency for Dissolve mode. You can use the old non-deterministic algorithm with a setting change.
    • In Edit mode, clicking foreground color sets transparent background color isntead
    • Fix alpha + indexed load issue that corrupted indexed values
    • Fixed rename active layer undo step
    • Fixed duplicate layer undo step position
    • Fix undo mess when switching layers quickly
  • New features
    • Added Amethyst (NPS 5.x) filter support
    • Added import/export .npsb to allow transferring settings to other platforms
    • Added LUT editor
    • Added "From Camera" to take a photo with your camera
    • Modern color picker
  • New filters
    • Added new filters: Curves, Shadows/Midtones/Highlights, Levels, Auto Levels, Chroma Key, Directional Blur, Despeckle, Chroma Subsampling
    • Added new channel mixers: CMY, Hunter Lab, CIECAM Jab/Jch, LMS, Luv, RYB, YIQ, Yxy
  • Brushes
    • Support new BRUJ format compatible with cross-platform NPS
    • Added 6 7 brush frfr
    • Fix Brush Manager export crash
  • Color palettes
    • Allow opening palette from shell
    • Support importing .pal in both Windows and JASC format, add Gimp GPL support
  • Document loading/saving fixes
    • Fix issues loading GIFs with a global color mode flag and different per-frame palettes (favor per-frame)
    • NPSD fix handling of global color mode in files
    • NPSD thumbnail generation - now stores correct format
    • Fix performance of palette quantizer - use KD Tree. Should result in significantly faster GIF frame loads.
    • Fix crash for documents over 2GB
    • Clipboard copying/pasting fixes without BinaryFormatter
    • Fix thumbnail generation
  • Scripting
    • Fixed issue with Set ActiveLayerColorMode within multi undo step
    • Added Set ActiveLayerPalette, reading ActiveLayerPalette