PNG and JPG are both image formats you use every day โ but they work in completely different ways, and using the wrong one can mean blurry logos, huge file sizes, or poor-quality photos. Here is a simple guide to picking the right format every time.
The Key Difference in One Sentence
JPG is for photographs and complex images. PNG is for screenshots, logos, diagrams and anything with transparency.
JPG โ Best For
- Photographs โ portraits, landscapes, product photos
- Social media images โ smaller file size loads faster
- Scanned documents with photos
- Background images on websites
Why JPG for photos? JPG uses "lossy" compression โ it throws away some detail to make the file much smaller. For complex photographic content with millions of colours, this loss is nearly invisible.
PNG โ Best For
- Screenshots โ text stays perfectly sharp
- Logos and icons โ especially with transparent backgrounds
- Diagrams, charts, and infographics
- Anything with text overlay
- Images you will edit multiple times
Why PNG for graphics? PNG uses "lossless" compression โ no quality is ever lost. Text, lines, and flat colours remain crisp. And unlike JPG, PNG supports transparent backgrounds.
Side-by-Side Comparison
- File size: JPG is usually 5โ10x smaller than PNG for photos.
- Quality: PNG always preserves 100% quality. JPG loses a tiny bit each save.
- Transparency: PNG supports it; JPG does not.
- Text sharpness: PNG is perfect; JPG creates visible blurring around text.
๐ Watch out: Saving a JPG as PNG does NOT improve quality. The original JPG quality is locked in โ saving as PNG only increases the file size without any improvement.
What About WEBP?
WEBP is a modern Google format that is smaller than both JPG and PNG while maintaining good quality. It is ideal for websites and apps. If you receive a WEBP and need JPG or PNG, use our WEBP to JPG or WEBP to PNG converter.
Quick Decision Guide
- Photo of a person or place โ JPG
- Screenshot of a webpage or software โ PNG
- Logo on white background โ JPG
- Logo with no background (transparent) โ PNG
- Chart or diagram with text โ PNG
- Profile photo for social media โ JPG