Certain provides an option use reporting for mass download of profile image files captured in registration records. 

Profile images are uploaded under Attendee Overview > Profile Picture:

You can mass download all uploaded images by creating a Registration report and adding a custom column to include the file path for the profile pictures.

1. Click on the Reports tab
2. Create a Registrations report (Report Type > Registrations) and Save 
3. Navigate to the Custom tab in that report
4. Click Add New and add your Column Name. This will be the name of your new User-Defined Column that you will add to the Columns tab of the report.  Example "Profile Image"
5. Scroll to the end and select "Combine two or more columns"
6. Under the Append tab, use this option to combine the fields needed to create a link to download your profile images. This string will include the image file path.
   • To simplify this process, go to your uploaded profile image under Attendee overview > Profile picture and copy the image address. This will help you set up the file path for the combined columns.
   • Example /accounts/register123/certaintest/ElyseTestAccount/profile_image/11979.jpg
   • Add <a href=" to the beginning of your url  so it is clickable in your report 
   • Replace the image file at the end with the DDF field <{Profile Picture}> by selecting Append for the DDF field <{Profile Picture}>
   • Add target="_blank"> after the DDF
   • Close out with <{Profile Picture}></a>
   • Full URL example:
     
     • <a href="/accounts/register123/certaintest/ElyseTestAccount/profile_image/<{Profile Picture}>" target="_blank"><{Profile Picture}></a>
7. Save your Custom Column
8. Navigate to the Columns tab in your report
9. Add the Custom Column to the Selected Data Fields and click Save
10. Navigate to the Display tab and set your Export Format to Printable HTML so it will export in a printable format.
11. Click Save and Run Report