PNG vs JPG vs WebP: Which Image Format Should You Use?
A clear, practical comparison of the three most common web image formats — and how to pick the right one every time.
Choosing the right image format affects how sharp your pictures look, how fast your pages load, and how much storage you use. Here is a plain-English breakdown of the three formats you will meet most often.
JPG (JPEG) — best for photographs
JPG uses lossy compression, which throws away detail your eye is unlikely to notice in exchange for much smaller files. It is ideal for photographs and complex images with smooth color gradients. The trade-off: it does not support transparency, and re-saving repeatedly slowly degrades quality.
PNG — best for graphics and transparency
PNG uses lossless compression, so it keeps every pixel exactly. That makes it perfect for logos, icons, screenshots and anything with sharp edges or a transparent background. The downside is larger files, especially for photos.
WebP — the modern all-rounder
WebP, developed by Google, supports both lossy and lossless modes plus transparency, and typically produces files 25–35% smaller than JPG or PNG at similar quality. It is supported by every modern browser, which is why most fast websites now prefer it.
A simple rule of thumb
- Photograph for the web → WebP (or JPG as a fallback).
- Logo, icon or transparent graphic → PNG (or lossless WebP).
- Need universal compatibility with old software → JPG or PNG.
You can switch between all three instantly with our image converter, then shrink the result with the compressor — entirely in your browser.
Frequently asked questions
Is WebP always smaller than JPG?
Usually, yes — around 25–35% smaller at comparable quality, though results vary by image.
Does converting PNG to JPG lose quality?
JPG is lossy, so some detail is discarded and transparency is lost. For photos the difference is hard to see; for sharp graphics, keep PNG or WebP.