ACDSee Gemstone Photo Editor 12.1

Release Notes


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

Added RAW support for the following camera models:

  • Sony a7 IV 

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.


  • Replaced the application’s embedded web browser with Microsoft Edge WebView2.
  • Fixed a color issue with certain .tif files.
  • Added support for lossless compressed shooting mode with the Sony A1.
  • Improved output of Noise Reduction on certain devices.
  • Corrected color display for the midtones color picker in the Levels filter.
  • Fixed an issue in HDR which caused presets not to load correctly.

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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