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PNG vs JPG vs WebP: Which Image Format Should You Actually Use?

The short version: JPG for photos, PNG when you need transparency or crisp flat graphics, WebP when you can use it and want both at a smaller file size. Here's why, and where each one actually falls short.

JPG — best for photos

JPG compresses by discarding detail your eye is less likely to notice — it's very effective on photos, which have smooth gradients and lots of natural detail to work with. That same approach makes it a poor choice for anything with sharp edges or flat colors: text, logos, and simple graphics come out with visible blurring or blocky artifacts around edges. JPG also has no transparency support at all.

PNG — best for graphics and transparency

PNG doesn't discard any detail (it's lossless), and it supports transparency, which is why it's the standard choice for logos, icons, screenshots, and any graphic with flat colors or sharp edges — text stays perfectly crisp. The trade-off is file size: a PNG of a photo is typically much larger than the same photo as a JPG, for a difference you often can't even see on a screen.

WebP — usually the best of both, when you can use it

WebP supports both lossy compression (like JPG, but generally more efficient at the same visual quality) and lossless compression with transparency (like PNG, but smaller). For web use specifically, it's often the better default. The main reason it isn't universal yet: some older software, and some contexts (email clients, certain design tools, printing workflows), still don't support it reliably — worth checking before you standardize on it for something that needs to open everywhere.

Quick decision guide

  • Photo, no transparency needed, needs to work everywhere → JPG
  • Logo, icon, screenshot, or needs transparency, and compatibility matters → PNG
  • Building for the web and don't need maximum compatibility → WebP

Convert between any of them with Image Format Converter, or shrink a file further without changing format using Image Compressor — both run entirely in your browser.