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DotDotGoose is a free, open source tool to assist with manually counting objects in images. DotDotGoose was purpose-built since most conservation researchers and practitioners working on counting objects in images were using software such as Adobe Photoshop and ImageJ which are not ideally suited for many conservation applications.

The DotDotGoose interface makes it easy to create and edit classes of objects to be counted and you can pan and zoom to accurately place points to identify individual objects. Information about objects can be stored in custom fields and this metadata can be exported for use in spreadsheet or statistics software.

Point data collected with DotDotGoose will be very valuable training and validation data for any future efforts with computer assisted counting.

Contact Us

If you have any questions or are interested in this project please contact Peter Ersts (Software Developer, Center for Biodiversity and Conservation) .

Bugs and Feature Requests

If you find a bug or have a great idea for a new feature that will make DotDotGoose better, please submit them to the GitHub repository (https://github.com/persts/DotDotGoose/issues) so the whole community can see and comment! If you can't submit bugs/feature requests on GitHub use the contact button above.


  • 2024-01-02 - version 1.7.0
    • (Bug Fix) Prevent crash during export when images are missing.
    • (Bug Fix) Renaming point in some situations could cause crash.
    • (Enhancement) Better dark mode support.
    • (Enhancement) Rescan working directory for new or missing images on loading existing pnt file.
    • (Enhancement) Interactive image enhancement.
    • (Enhancement) Experimental support for external polygon annotations to highlight counting boundary in overlapping images. Contact us for more information.
  • 2023-01-31 - version 1.6.0
    • (Enhancement) Internationalization: Translations for Chinese, French, Spanish, Vietnamese.
    • (Enhancement) Undo and redo capabilities.
    • (Enhancement) Export image display area (image, points, grid) to new jpg.
    • (Enhancement) Dirty data check on close to prevent loss of unsaved changes.
    • (Enhancement) Export point coordinates as geographic coordinates (command line only).
    • (Enhancement) Certificate signed Windows binary to help prevent false positives from virus/malware scanners.
    • (Enhancement) Support for INTEL - Big Sur (11.0) Montery (12.0) Ventura (13.0)
    • (Enhancement) Support for ARM - Montery (12.0) Ventura (13.0)
  • 2022-01-03 - version 1.5.3
    • (Enhancement) Packaged for OSX 12.0 (Monterey - Apple M1 Chip).
    • (Bug Fix) Prevent crash when importing classes and custom fields after images have been loaded.
  • 2020-05-27 - version 1.5.2
    • (Enhancement) Packaged for OSX 11.0 (Big Sur).
    • (Bug Fix) Prevent crash when trying to save pnt file to a folder without write permissions.
  • 2020-05-27 - version 1.5.1
    • (Enhancement) User can cycle through images with W (up) and S (down) keys.
    • (Enhancement) Quick save can be accomplished with Ctrl+S (Windows + Linux) or Command+S (OSX)
    • (Bug Fix) CSV file not correct when custom fields were empty
    • (Bug Fix) Crash could occur when user double clicked on the Count column in the file tree
  • 2020-05-06 - version 1.5.0
    • (Enhancement) Option to hide image data / custom fields
    • (Enhancement) Split resizer to adjust / hide class or summary GUI elements
    • (Enhancement) Improved refresh behavior when resizeing window while zoomed in **not available on OSX
  • 2020-04-21 - version 1.4.1
    • (Enhancement) Number keys can be used to quickly switch between classes
    • (Bug Fix) Fixed grid display bug when switching between images
  • 2020-04-09 - version 1.4.0
    • (Enhancement) Keep current class active between images.
    • (Enhancement) GUI update - select folder of images.
    • (Enhancement) GUI update - zoom controls for when mouse wheel not available.
  • 2020-02-06 - version 1.3.0
    • (Enhancement) Drag and drop folder of images.
    • (Enhancement) User can cycle through images with up and down arrow keys.
  • 2019-08-28 - version 1.2.0
    • (Bug Fixed) Some large mosaics would not finish loading in Windows 7 & 10.
    • (Enhancement) Display the image name in the summary window before 1st point is collected.
    • (Enhancement) Drag and drop multiple image files at once.
    • (Enhancement) Customizable grid overlay to help focus counting efforts.
    • (Enhancement) Extra export options.
    • (Enhancement) User can change "active" class display color.
    • (Enhancement) UI upgrades and mild redesign.
  • 2019-07-24 - Version 1.1.1
    • (Bug Fixed) Importing classes and custom fields from am existing project (pnt file) set working directory.
  • 2019-06-27 - Version 1.1.0
    • (Bug Fixed) Loading pnt file with missing images caused application to crash.
    • (Bug Fixed) Deleting custom field caused application to crash when no fields existed.
    • (Enhancement) Display working directory in interface.
    • (Enhancement) Prevent projet (pnt) file from being saved outside of working directory.
    • (Enhancement) Updated documentation to include details about saving and loading point data.
  • 2019-05-23 - Version 1.0.1
    • (Bug Fixed) Entering coordinates in the X and Y field caused application to crash.



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If you use this application on data that results in a publication, report, or online analysis, we ask that you include the following reference:

Ersts,P.J.[Internet] DotDotGoose (version 1.7.0). American Museum of Natural History, Center for Biodiversity and Conservation. Available from https://biodiversityinformatics.amnh.org/open_source/dotdotgoose. Accessed on .

DotDotGoose In Action

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