ACDSee Gemstone Photo Editor 12

Release Notes


ACDSee Gemstone Photo Editor 12 is only available in 64-bit.

Added RAW support for the following camera models:

  • Canon EOS R3
  • Nikon Z9 (Lossless compressed RAW only)

ACD Systems is committed to releasing regular updates to support RAW files from new camera models, as they become available. View the complete list of supported RAW formats.

Bug Fixes

  • Fixed a bug where resizing an image degraded the quality of the image.
  • Fixed a bug where 16-bit images were converted into 8-bit while using adjustment layers.
  • Fixed a bug where the application would crash in certain filters.
  • Fixed some UI elements.

Known Issues

  • ACDSee Photo Editor 11 APD files open as a flat image, not as a project file.
  • ACDSee Gemstone uses the base layer’s color profile for additional layers.
  • Masks cannot be added when using the Move tool.
  • Added watermarks result in incorrect image previews in certain scenarios.
  • Different DPIs may cause Gemstone UI flickering.

Not Supported

  • ACDSee Gemstone 12 does not preserve layers when editing PSD and TIFF files.
  • Gemstone GSD files created in Gemstone 12 are not supported in ACDSee Photo Editor 11.
  • Compressed Fujifilm X-trans RAW and DNG are not supported.
  • Canon C-RAW is not supported.

System Requirements

To activate your software, to validate your subscriptions, or to access online services, you will need a valid email address and an internet connection.

Intel® or AMD® processor with 64-bit support
Intel i5 or better processor recommended
4 GB RAM (8 GB RAM or more recommended)
512 MB Video RAM (VRAM)
DirectX 10 compatible graphics adapter
1024 x 768 display resolution (1920 x 1080 recommended)
2 GB of available hard disk space

Microsoft® Windows® 7 (SP1), Windows® 8, Windows® 8.1, Windows® 10 (64-bit editions only) & Windows® 11
Microsoft® Internet Explorer® 9+
Microsoft® DirectX® 10 or higher


Install additional RAW file support here.

Date: 2022/04/13
File Size: 671 MB
Download Link
Release Notes

Date: 2022/01/19
File Size: 554 MB
Download Link
Release Notes

Date: 2021/12/08
File Size: 554 MB
Download Link
Release Notes

Product Documentation

Online Help
User Guide

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