Shrink images before upload

Changed

Uploading a full snapshot with full image sizes can be slow.

What are my options for shrinking before upload?

https://www.symphonythemes.com/drupal-blog/drupal-dropzonejs

View Image Style on Upload on Drupal.orgImage Style on UploadCovered by the Drupal security advisory policy (902 installs)
Will this help when uploading multiple images at once to media library?

View Image Resize Filter on Drupal.orgImage Resize FilterCovered by the Drupal security advisory policy (1,300 installs)
What are the limitations of this?

View Image Resize on Drupal.orgImage ResizeCovered by the Drupal security advisory policy (118 installs)
Resize existing styles?

View File Resumable Upload on Drupal.orgFile Resumable UploadCovered by the Drupal security advisory policy (450 installs)
Resumable uploads, could help with large files?
Would prefer faster upload time.

TODO: Document this situation and how to fix.