Paint.NET is image and photo manipulation software designed to be used on computers that run Windows. It supports layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. It started development as an undergraduate college senior design project mentored by Microsoft, and is currently being maintained by some of the alumni that originally worked on it. Originally intended as a free replacement for the MS Paint software that comes with Windows, it has grown into a powerful yet simple tool for photo and image editing. The programming language used to create Paint.NET is C#, with a small amount of C++ for installation and shell-integration related functionality.
- Performance in many areas has been substantially improved, and overall memory usage has also been greatly reduced (especially when more than 1 image is open).
- The user interface has been refreshed with new icons, and visual styling has been enhanced for Aero Glass (Windows 7 / Vista only).
- Upgraded to use the latest .NET Framework 3.5 SP1, which has many built-in performance improvements.
- New effect: Blurs -> Surface Blur, by Ed Harvey
- New effect: Distort -> Dents, by Ed Harvey
- New effect: Distort -> Crystalize, by Ed Harvey
- The font manager for the Text Tool has been completely rewritten, resulting in increased performance and better reliability. On Windows 7, the quality of text is much better as a result of using DirectWrite (this also works on Windows Vista if you have installed DirectX 11).
- The built-in updater now has the ability to download updates in the background, and will wait until you exit Paint.NET to install them. In previous versions, the download happened in the foreground, and you had to wait for the entire process to complete before you could use Paint.NET again.
- Now includes a Russian translation.
This update includes full support for AV1 (*.avif) images, courtesy of @null54‘s AvifFileType plugin, which is now bundled.
In addition, I’ve spent a lot of time optimizing various parts of the canvas rendering engine. Memory usage and CPU usage are both lower across the board, which should help when working with large images, as well as images (large or small) with many layers. I’ve also made several bug fixes and improvements to the Move Selected Pixels, Magic Wand, Paint Bucket, and Ellipse Select tools.
If you’re using the Windows Store release, you should get the update automatically within the next 24 hours. You can also force an update check by following these instructions.
For the Classic release, you should be offered the update automatically within the next week or so. You can get the update sooner by going to Settings → Updates → Check Now. You can also download and install it directly from the website.
Changes since 4.2.13:
- New: AV1 (*.avif) images can now be saved (not just opened), due to bundling of @null54‘s AvifFileType plugin (v126.96.36.199). Installation of Microsoft’s codec from the Microsoft Store is no longer necessary, which means this also works on Windows 7 and 8.1.
- Improved performance and memory usage in the canvas rendering engine, especially when working with large images or images with many layers. This is most noticeable when scrolling and zooming.
- Improved CPU usage when a selection is active and when GPU accelerated rendering is disabled
- Improved CPU/GPU usage when a selection is active but the app is not (the animation is disabled)
- Reduced memory usage when working with images that have regions of solid color
- Fixed the Magic Wand and Paint Bucket tools so that they do calculations in the premultiplied alpha color space. This ensures that transparent colors (alpha=0) with different RGB values are treated as equal, and do not create borders.
- Fixed the Move Selected Pixels tool so that it fills the uncovered region with 0 (transparent), instead of a transparent version of the secondary color.
- Fixed: Backspace now works correctly in the Colors form: it does not execute Edit -> Fill Selection
- Fixed an issue where saving an image at 4-bit color depth (usually pixel art) was using an incorrect palette (reduced color count/quality). This was due to a bug in Windows Imaging Component (WIC).
- Greatly improved performance when saving images at 8-bit color depth
- Fixed an issue where very large images (e.g. 50000 x 50000 px) couldn’t be saved at indexed bit-depths (8-bit or less) due to a bug in Windows Imaging Component (WIC). More information on the forum: https://forums.getpaint.net/topic/116950-error-when-saving-a-big-file/
- Fixed an issue where BMP images couldn’t be loaded if they had the .PNG extension (there’s an Android screenshot utility out there which does this …)
- Improved: Ellipse Selection Tool’s now tessellates at a higher resolution, resulting in smoother circles at small sizes
- Fixed a rare crash in the Gradient tool (“The tool must be in the Drawing state …”)
- New: Added a list of the DLLs that are loaded into the process on the Settings → Diagnostics page. This is to help troubleshooting scenarios.
- Fixed an issue with copying large images to the clipboard: if an image would take up more than 4GB, it could not be copied because the DIB and DIBV5 formats cannot be larger than that. Now, the DIB and DIBV5 formats are not placed on the clipboard if this happens.
- Fixed an issue with Effect plugin tooltips which was preventing the menu item from being easily clicked (thanks @toe_head2001 for the fix!)
- Fixed an issue that was preventing Effect configuration dialogs from working correctly in the Visual Studio designer (thanks @toe_head2001 for the fix!)
- Added diagnostics information to most error dialogs. This is to help with troubleshooting.
- Fixed: Scanning will now apply the DPI (resolution) from the scanner to the image, if possible
- Updated bundled DdsFileTypePlus plugin to v188.8.131.52. See the pdn-ddsfiletype-plus change log on GitHub for more information. Thanks @null54!
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