JPG vs PNG vs WebP: Which Image Format Should You Use?
Confused about image formats? This 2026 guide explains JPG, PNG and WebP — when to use each, with a simple decision chart.
The Short Answer
- JPG — best for photos. Small files, no transparency.
- PNG — best for graphics, logos, and anything needing transparency or sharp text.
- WebP — best for the web. Smaller than both, supports transparency, works in all modern browsers.
Now the details, so you know *why*.
JPG: The Photo Format
JPG (or JPEG) uses lossy compression, meaning it throws away some data to achieve small file sizes. For photographs — where the eye can't detect the missing data — this is perfect. A JPG photo is a fraction of the size of an uncompressed image.
Use JPG for: photographs, complex images with many colors, hero images, anything where small file size matters and transparency isn't needed.
Avoid JPG for: logos, text, graphics with sharp edges (it adds visible artifacts), or anything needing transparency.
PNG: The Graphics Format
PNG uses lossless compression — it preserves every pixel exactly. It also supports transparency (alpha channel), which JPG can't do. The trade-off is larger file sizes.
Use PNG for: logos, icons, screenshots, graphics with text, illustrations, and any image needing a transparent background.
Avoid PNG for: photographs (the files become unnecessarily huge compared to JPG).
WebP: The Modern All-Rounder
WebP, developed by Google, combines the best of both: it does lossy compression like JPG (but smaller) AND supports transparency like PNG. WebP files are typically 25–35% smaller than the equivalent JPG or PNG at the same quality.
Use WebP for: basically everything on websites. Every modern browser supports it now.
The one catch: some older desktop software and very old browsers don't read WebP, so for files you'll open in legacy apps, JPG or PNG is safer.
Decision Chart
| Your image is... | Use this format |
|---|---|
| A photo for a website | WebP |
| A photo for printing/email | JPG |
| A logo or icon | PNG (or WebP) |
| A graphic with transparency | PNG or WebP |
| A screenshot | PNG |
| Anything, smallest size for web | WebP |
Converting Between Formats
You can switch formats anytime with free tools:
- JPG to WebP — shrink web photos
- PNG to WebP — shrink transparent graphics
- PNG to JPG — shrink photos saved as PNG
- WebP to JPG — for compatibility with older software
The Practical Takeaway
For websites in 2026, convert your images to WebP — it's smaller and faster, which helps your Google ranking. For everything else, use JPG for photos and PNG for graphics. When in doubt, compress whatever you have and you'll still see big savings.
Try these free tools
Frequently asked questions
Is WebP better than JPG and PNG?
For web use, yes. WebP is 25–35% smaller than JPG or PNG at the same quality and supports transparency. The only downside is some older software doesn't read it.
When should I use PNG instead of JPG?
Use PNG for logos, icons, screenshots, graphics with text, and anything needing a transparent background. Use JPG for photographs where small file size matters.
Why are my PNG photos so large?
PNG uses lossless compression, which keeps every pixel but creates big files for photos. Convert photographs to JPG or WebP to shrink them dramatically.
Does converting JPG to WebP lose quality?
At equivalent quality settings, the difference is invisible while the file gets 25–35% smaller. WebP is more efficient than JPG at the same visual quality.
Which format is best for a website logo?
PNG for guaranteed compatibility and transparency, or WebP for a smaller file if you don't need to support very old browsers.