If you want to conceal a part of your photo, try using Fotor's mosaics tool. To try mosaic now, click on the sample photo and select the part of the photo you would like to conceal.
Photo Mosaic Guide
1. Open Fotor online photo editor
2. Under "Effects" choose the "Mosaic" feature
3. Choose the size and intensity
4. Brush the area you want to make mosaic
5. Choose "Eraser" if you want to revise
6. Choose "Original"if you want to undo edits
7. Apply and save your photo