PNG vs JPG: Which Image Format Should You Use?

Published: March 2025 • 6 min read

Quick Summary

Use JPG for: Photographs, complex images with many colors, social media posts, and web images where file size matters.

Use PNG for: Graphics with transparency, logos, screenshots, text-heavy images, and when lossless quality is required.

JPG (JPEG) Format

Pros

• Small file sizes (great for web performance)
• Universally supported everywhere
• Adjustable compression quality
• Excellent for photographs

Cons

• Lossy compression (quality lost each time you edit & save)
• No transparency support
• Poor for text, sharp edges, and flat-color graphics

PNG Format

Pros

• Lossless compression (no quality loss)
• Supports full transparency (alpha channel)
• Sharp text and edges
• Perfect for logos, icons, and screenshots

Cons

• Much larger file sizes than JPG
• Not ideal for photographs (files become very large)

When to Use Each Format — Cheat Sheet

• Blog post images: JPG (80% quality)
• Website logo: PNG (with transparency)
• Social media photo: JPG
• Screenshot or diagram: PNG
• Icon or favicon: PNG
• Product photo: JPG for web, PNG for editing
• Maximum web performance: WebP (best of both worlds!)

The Best Alternative: WebP

If you're optimizing for the web, consider WebP format. It combines the best of both worlds — small file sizes like JPG with transparency support like PNG. WebP images are 25-34% smaller than equivalent JPGs.

Convert Between Formats

Need to convert between PNG and JPG? Try our free tools: