Progressive vs Baseline JPEG: What’s the Difference?
Progressive JPEGs load blurry first, then sharpen; baseline JPEGs load top to bottom. Learn how they differ in file size, speed and compatibility.
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Formats & Compression
sRGB vs Adobe RGB: Which Color Space for the Web?
Colors looking dull after you upload a photo? The cause is often a color space mismatch. Learn what sRGB and Adobe RGB are and which one to export.
Read more →Video Resolution Explained: 720p, 1080p, 1440p and 4K
What do 720p, 1080p and 4K actually mean? A plain explanation of video resolutions, their pixel sizes, and how they relate to image sizes.
Read more →RGB vs CMYK: Which Color Mode Do Your Images Need?
Screens use RGB, printers use CMYK. Learn what each mode means, when to convert, and why bright colors can look duller on paper.
Read more →What Is a TIFF File? When to Use It (and When to Avoid It)
TIFF files are huge, lossless and loved by printers and archivists. Learn what TIFF is, how it compares to JPG and PNG, and when it makes sense.
Read more →How Many Megapixels Do You Really Need?
More megapixels isn't always better. Learn how to calculate megapixels, how many you need for web, social and prints, and what matters more.
Read more →Responsive Images Explained: srcset and sizes in Plain English
Serving one huge image to every device wastes data. Learn how srcset and sizes let browsers pick the right image file, with simple copy-paste examples.
Read more →How to Convert PNG to JPG (And When You Shouldn’t)
Converting PNG to JPG can shrink a file dramatically, but it isn't always the right call. Here's how to do it and what you give up.
Read more →What JPG Quality Setting Should You Use? (A Practical Guide)
JPG quality runs from 0 to 100, but 100 isn't worth it. Here's what the numbers mean and which setting to use for web, email and print.
Read more →DPI vs PPI: What’s the Difference and Which One Matters?
DPI and PPI get mixed up constantly. Here's what each one means, when it matters, and why a '72 DPI' image isn't automatically low quality.
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