JPEG vs PNG: Which Should You Use?

Side-by-side comparison of JPEG and PNG image formats — features, pros, cons, and conversion options.

Quick Answer

JPEG is best for Photographs and complex images for web and print. PNG is best for Graphics with transparency, screenshots, and diagrams.

Quick Verdict

JPEG Best for Photographs and complex images for web and print

✓ Universal compatibility
✓ Excellent compression for photos
✓ Small file sizes
✗ Lossy compression (quality degrades)

Convert JPEG to PNG →

PNG Best for Graphics with transparency, screenshots, and diagrams

✓ Lossless compression
✓ Full transparency support
✓ Universal web support
✗ Larger than JPEG for photos

Convert PNG to JPEG →

Specs Comparison

Side-by-side technical comparison of JPEG and PNG

Feature	JPEG	PNG
Category	Image	Image
Year Introduced	1992	1996
MIME Type	image/jpeg	image/png
Extensions	.jpg, .jpeg	.png
Lossy	✓	✗
Lossless	✗	✓
Transparency	✗	✓
Animation	✗	✗
Max Color Depth	8-bit	16-bit
Hdr	✗	✗

Pros & Cons

JPEG

Pros

✓ Universal compatibility
✓ Excellent compression for photos
✓ Small file sizes

Cons

✗ Lossy compression (quality degrades)
✗ No transparency
✗ No animation

PNG

Pros

✓ Lossless compression
✓ Full transparency support
✓ Universal web support

Cons

✗ Larger than JPEG for photos
✗ No animation (use APNG)
✗ No lossy mode

When to Use Each

Choose JPEG when...

You need files optimized for Photographs and complex images for web and print
Universal compatibility
Excellent compression for photos

Choose PNG when...

You need files optimized for Graphics with transparency, screenshots, and diagrams
Lossless compression
Full transparency support
You need lossless quality

How to Convert

Convert between JPEG and PNG for free on ChangeThisFile

Convert JPEG to PNG Runs in your browser — files never leave your device Convert PNG to JPEG Runs in your browser — files never leave your device

Frequently Asked Questions

What's the difference between JPEG and PNG?

JPEG is best for Photographs and complex images for web and print, while PNG is best for Graphics with transparency, screenshots, and diagrams. Both are image formats but they differ in compression, compatibility, and intended use cases.

Is JPEG or PNG better for image?

It depends on your use case. JPEG is better for Photographs and complex images for web and print. PNG is better for Graphics with transparency, screenshots, and diagrams. Consider your specific requirements when choosing between them.

How do I convert JPEG to PNG?

Go to the JPEG to PNG converter on ChangeThisFile. The conversion runs entirely in your browser — your file never leaves your device. It's free with no signup required.

Can I convert PNG to JPEG?

Yes. ChangeThisFile supports PNG to JPEG conversion. The conversion runs in your browser with no upload required.

Which is smaller, JPEG or PNG?

File size depends on the content and compression settings. JPEG uses lossy compression for smaller files. PNG preserves full quality. For the smallest files, choose the format with lossy compression that meets your quality needs.

Does JPEG support lossy?

Yes, JPEG supports lossy, but PNG does not. This may be important depending on your use case.

Is JPEG or PNG free to use?

Both JPEG and PNG are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — browser-based conversions have no limits and your files never leave your device.

Which format is newer, JPEG or PNG?

PNG is newer — it was introduced in 1996, while JPEG dates back to 1992. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.