Fertility Friend's Lightbox is the easiest way to organize your test photos during your cycle. Compare and visualize your progression:
Upload your test photos organized by categories (HPT, OPK...).
Add a caption (the default is your cycle day and dpo).
Visualize all your test photos as thumbnails on a single page.
Use the invert and grayscale features as you see fit to better see the lines
Line Reader: Test line detector and comparison tool
Share by email or via your web browser share feature to post or just for your archives.
You can access Lightbox on the data entry screen (Photos section) as well as from the More menu bars. You can also access Lightbox on the data entry screen under the Photos section.