Paint.NET 4.3.7


Paint.NET is an image and photo manipulation application. Every feature and user interface element was designed to be immediately intuitive and quickly learnable without assistance. In order to handle multiple images easily, Paint.NET uses a tabbed document interface. The tabs display a live thumbnail of the image instead of a text description. This makes navigation very simple and fast.

Usually only found on expensive or complicated professional software, layers form the basis for a rich image composition experience. You may think of them as a stack of transparency slides that, when viewed together at the same time, form one image.

Many special effects are included for enhancing and perfecting your images. Everything from blurring, sharpening, red-eye removal, distortion, noise, and embossing are included. Also included is our unique 3D Rotate/Zoom effect that makes it very easy to add perspective and tilting.

Adjustments are also included which help you tweak an image's brightness, contrast, hue, saturation, curves, and levels. You can also convert an image to black and white, or sepia-toned.

NOTE for Windows 7, Windows 8.1, and 32-bit/x86 users:

Paint.NET v4.3.x will be the last release(s) that work on Windows 7, Windows 8.1, or on any 32-bit/x86 version of Windows. It has become significantly more difficult and time consuming to support these lately, not very many people are using them, and I can no longer justify the cost and frustration of keeping support for these afloat. Starting with Paint.NET v4.4, only Windows 10 and 11+ will be supported, and only on 64-bit (x64 and ARM64). I have started working on v4.4 and will only release v4.3.x updates on an as-needed basis and only until v4.4 is completed.

Paint.NET 4.3.7 changelog:

Changes since v4.3.6:

  • Fixed the app being completely broken when "Translucent windows" was disabled. This was caused by a bug introduced in .NET 6.0.1. More discussion here:

Since this is a hotfix, here's what also changed in v4.3.5 and v4.3.6 as compared to v4.3.4:

  • Improved rendering performance for most tools, which are now up to 100% faster (see discussion here:
  • Fixed an issue with the Save Configuration dialog where the OK and Cancel buttons were overlapping on Windows 7 (thanks @toe_head2001 for the fix!)
  • Fixed an issue when saving an image with 257 unique colors at 8-bit color depth when the 257th unique color was the last (bottom-right) pixel.
  • Fixed an issue where the Layers window buttons were not correctly enabling/disabling after an undo/redo operation.
  • Fixed an issue that was preventing the VTF Plugin from saving multi-layer images correctly, as reported at
  • Fixed an issue when saving images at 1-bit or 2-bit color depth, where sometimes not all colors would be included.
  • Fixed an issue with some IndirectUI plugins that were using customized colors for their sliders
  • Fixed a compatibility issue with TR's Morpher plugin
  • Fixed a compatibility issue with some of @Ego Eram Reputo's older plugins that were unable to launch help links due to a change in .NET 6
  • Fixed a stack overflow in the box filter rendering kernel that could cause hangs or crashes when the zoom level was around 1/8th (12.5%) or 1/32nd (3.125%) for particular image sizes e.g. ((N x 2048) + 16)). Reported here: (regression in 4.3.5, fixed in 4.3.6)

Download: Paint.NET 64-bit | Portable 64-bit ~90.0 MB (Freeware)
Download: Paint.NET 32-bit | Portable 32-bit
Links: Paint.NET Website | Release Announcement

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