Resolution

• low_resolution (500x500 or smaller)
• high_resolution (1600x1200 or larger)
• very_high_resolution (3200x2400 or larger)
• extremely_high_resolution (10000x10000 or larger)
• tall_image (at least 512px tall and 1:3)
• very_tall_image (at least 512px tall and 1:4)
• extremely_tall_image (at least 512px tall and 1:6)
• wide_image (at least 512px wide and 3:1)
• very_wide_image (at least 512px wide and 4:1)
• extremely_wide_image (at least 512px wide and 6:1)
• long_image (any tall or wide)

File size

• large_filesize (5 MB or larger)
• extremely_large_filesize (15 MB or larger)

Aspect ratio

• 1:1_aspect_ratio
• 2:1_aspect_ratio
• 3:1_aspect_ratio
• 3:2_aspect_ratio
• 4:3_aspect_ratio
• 5:3_aspect_ratio
• 5:4_aspect_ratio
• 8:3_aspect_ratio
• 15:10_aspect_ratio
• 16:9_aspect_ratio
• 16:10_aspect_ratio

Miscellaneous

• flash
• svg
• potential_duplicate

Parent of the following tags:

high resolution, very high resolution, 3:2 aspect ratio, low resolution, 4:3 aspect ratio, large filesize, 16:9 aspect ratio, 1:1 aspect ratio, extremely large filesize, flash, 5:4 aspect ratio, 16:10 aspect ratio, 5:3 aspect ratio, 2:1 aspect ratio, long image, extremely high resolution, tall image, very tall image, 8:3 aspect ratio, extremely tall image, wide image, very wide image, potential duplicate, extremely wide image, 3:1 aspect ratio, 15:10 aspect ratio, svg