PNG and JPG both remain useful because they solve different problems. PNG is the safer format when you need transparency or perfect fidelity. JPG is the practical format when you need a smaller file that works almost everywhere.
The shortest possible answer
Use PNG when
- You need transparency.
- The image contains text or hard-edged graphics.
- You want a lossless file for editing.
- File size is not the top priority.
Use JPG when
- The image is a photograph.
- You want smaller files.
- The image does not need transparency.
- You are sending or uploading it widely.
Why the choice matters
Choosing the wrong format usually creates one of two problems: either the file is far bigger than it needs to be, or the image quality degrades where it matters most. That is why this decision affects website performance, document quality, and even whether branding assets look professional.
What PNG does better
- Stores transparency cleanly for logos, icons, and cutouts.
- Keeps edges and text crisp because it is lossless.
- Holds up better if the file will be edited more than once.
- Works well for screenshots, diagrams, charts, and UI assets.
What JPG does better
- Keeps photo file sizes much lower than PNG in most cases.
- Is supported basically everywhere.
- Uploads faster to CMS platforms, forms, and marketplaces.
- Works well for everyday sharing, email, and galleries.
The two mistakes people make most often
Using PNG for large photographic assets
This creates needlessly heavy files that slow down websites and bloat downloads without giving a visible benefit.
Using JPG for logos or text-heavy graphics
Compression artifacts show up quickly around sharp edges, especially after resizing or repeated exports.
How this affects websites
If you are publishing to the web, the wrong choice can hurt performance. Large PNG photos slow down pages. Over-compressed JPGs make the page look cheap. A practical setup is simple:
- Use JPG for photos unless you specifically need transparency or lossless output.
- Use PNG for logos, interface assets, screenshots, and transparent graphics.
- Consider WebP or AVIF for final delivery if your platform supports them cleanly.
Bottom line
PNG is the quality-preserving format. JPG is the practical distribution format. The best choice depends on the image, not on habit.
If the asset is graphic, sharp, or transparent, start with PNG. If it is photographic and destined for sharing or upload, start with JPG.