PNG vs JPG: Which Format Should You Use? quick reference
| Decision Area | Recommended Focus | Why It Matters |
|---|---|---|
| Family or travel photo | JPG | Smaller file size with good visible quality. |
| Logo with transparency | PNG | Keeps the transparent background. |
| Screenshot with small text | PNG | Keeps text and UI edges cleaner. |
| Email or marketplace upload | JPG | Usually easier to upload under file-size limits. |
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The simple rule
Choose JPG for real photos: people, family moments, travel, food, outdoor scenes, product photos, and editorial images. It keeps photographic detail with much smaller file sizes than PNG in most cases.
Choose PNG for graphics: logos, transparent cutouts, screenshots, diagrams, app UI, and images with crisp text or flat-color edges.
Why JPG is better for photos
JPG compression is built for continuous-tone images, which means it handles natural light, skin tones, skies, and background blur efficiently.
The tradeoff is that JPG is lossy. If you repeatedly save the same JPG, or push the quality too low, artifacts can appear around edges, gradients, and fine details.
Why PNG is better for graphics
PNG keeps sharp boundaries and transparent pixels clean, which is why it is still common for interface images, brand marks, charts, and design assets.
It is not usually the right final format for large photos on a website. If a PNG is photographic and does not need transparency, converting it to JPG is often the practical move.
Recommended Imgny workflow
If you have a large PNG photo, convert it to JPG, preview the result, then compress only as much as needed. If you have a logo or cutout, keep PNG so transparency is preserved.
The safest workflow is to keep the source file and download a new delivery copy for the destination channel.
Frequently Asked Questions
Does JPG support transparency?
No. If your image needs a transparent background, use PNG or another transparency-friendly format.
Should product photos be PNG or JPG?
Most product photos should be JPG for delivery. Use PNG only when the product image needs transparency or sharp graphic elements.
Can I convert PNG to JPG without ruining quality?
Yes, when the source is photographic and you choose a sensible quality setting. Always preview faces, text, and edges before publishing.
