8-bit vs 16-bit Images: Do You Need the Extra Data?
DefinitionThe number of bits used to indicate the color of a single pixel.
1The Simple Explanation
Bit depth is like the size of your crayon box. 8-bit gives you 16 million colors (standard box). 10-bit or 16-bit gives you billions of colors (the deluxe artist box). Higher bit depth prevents 'banding' in skies and smooth gradients.
2Technical Deep Dive
Standard JPG is 8-bit. HEIC and AVIF support 10-bit. RAW files are often 12 or 14-bit. Use higher bit depth for editing to prevent histograms from breaking apart.
Common Misconceptions
Myth: The human eye can't see more than 8-bit. Fact: While true for individual colors, we can definitely see the gradients break in 8-bit (banding). 10-bit makes skies look smooth.