PixConvert
PNGJPG/JPEG

PNG vs JPG

Two of the most popular image formats compared — learn when lossless quality matters and when smaller file sizes win.

Feature-by-Feature Comparison

Compression Type

PNG

Lossless

Better

JPG/JPEG

Lossy

Typical File Size

PNG

Medium to Large

JPG/JPEG

Small to Medium

Better

Image Quality

PNG

Excellent

JPG/JPEG

Good to Excellent

Transparency Support

PNG

Yes

Better

JPG/JPEG

No

Animation Support

PNG

No

JPG/JPEG

No

Browser Support

PNG

All modern browsers, All devices, All image editors

JPG/JPEG

All browsers, All devices, All image editors

Color Depth

PNG

16.7 million + alpha

JPG/JPEG

16.7 million

Best Use Case

PNG

Logos and graphics

JPG/JPEG

Digital photography

When to Use PNG

  • Logos, icons, and graphics with sharp edges or text
  • Images that require transparency (alpha channel)
  • Screenshots and UI mockups
  • Any image where lossless quality is essential
  • Graphics that will be edited and re-saved multiple times
Convert JPG/JPEG to PNG

When to Use JPG/JPEG

  • Photographs and images with complex color gradients
  • Web images where fast loading is critical
  • Social media posts and email attachments
  • Images where slight quality loss is acceptable for smaller size
  • Large image galleries or photo albums
Convert PNG to JPG/JPEG

The Verdict

Choose PNG when you need transparency or pixel-perfect graphics like logos and screenshots. Choose JPG for photographs and web images where smaller file sizes matter more than lossless quality. For most websites, using JPG for photos and PNG for graphics is the ideal combination.

Frequently Asked Questions

Common questions about PNG and JPG/JPEG

Is PNG better quality than JPG?

PNG uses lossless compression, so it preserves every pixel perfectly. JPG uses lossy compression, which discards some data to achieve smaller files. For photographs, the quality difference is often imperceptible, but for graphics with sharp edges and text, PNG is noticeably better.

Why are PNG files larger than JPG?

PNG uses lossless compression, meaning no data is discarded. JPG achieves smaller files by removing visual information the human eye is unlikely to notice. This makes JPG files typically 50–80% smaller than equivalent PNGs for photographs.

Can I convert PNG to JPG without losing quality?

Converting PNG to JPG will introduce some quality loss because JPG uses lossy compression. However, at high quality settings (90–95%), the difference is usually imperceptible for photographs. Note that transparency will be lost since JPG does not support it.

Which format is better for websites?

It depends on the content. Use JPG for photographs to keep page load times fast. Use PNG for logos, icons, and graphics that need transparency or crisp edges. For the best of both worlds, consider WebP which offers better compression than both.

Does PNG support animation like GIF?

Standard PNG does not support animation. However, APNG (Animated PNG) is an extension that does support animation with full alpha transparency, though browser support is more limited than GIF.

When should I use neither PNG nor JPG?

Consider WebP or AVIF for modern web projects — they offer better compression than both PNG and JPG. Use SVG for logos and icons that need to scale. Use GIF or WebP for animated content.