Blog

PNG files can be lossless-optimized for a modest 15 to 25% saving, or converted to WebP, AVIF, or JPG for far bigger reductions. Here is which method fits your situation and how to do each one for free in your browser.

A quality slider doesn't know what file size it will produce until after the fact. Here is how compressing to an exact KB target actually works, and how to pick the right target for your situation.

Learn how to extract HEX, RGB, and HSL colors from any image online. Create beautiful color palettes instantly using a free browser-based image color picker.

HEIC files from your iPhone will not open on Windows, Android, or most upload portals. Here is how to convert HEIC to JPG, PNG, WebP, AVIF, and PDF in your browser with no upload, no registration, and nothing installed.

AVIF stands for AV1 Image File Format, a still image format built on video compression technology. Here is what it actually is, how it compresses images so efficiently, what it can do that JPEG cannot, and why you keep seeing .avif files in 2026.

Amazon wants 1,600 to 2,000 pixels square with a pure white background. Shopify wants 2,048 by 2,048. Etsy wants a 4:3 landscape crop. Here are the exact specs for every major platform and how to build one workflow that covers all of them without reshooting anything.

JPEG, PNG, WebP, AVIF, GIF, SVG, HEIC, TIFF, BMP, and JPEG XL, covered in one place. Real file size data, where each format wins, where it loses, and exactly which converter to use for every situation.

WebP lossless compresses 23 to 42% better than PNG according to Google's own published study, with the same transparency and zero pixel loss. Here is the real comparison: where WebP wins, where PNG still earns its place, and how to convert without breaking anything.