PNG to JPG is the single most common image conversion online. It typically shrinks photos by 5–10× by switching from lossless to lossy compression — invisible on photos, drastic on file size.
Convert PNG to JPG – Free Online PNG to JPG Converter
Why convert PNG to JPG?
- Drastically smaller file sizes for photos uploaded to web pages, email, and social media.
- Faster page loads (Core Web Vitals) on websites that publish many photos.
- Required input for some platforms (older photo printers, ID-photo services).
Tip: Don't convert screenshots, line art, or images with text — JPG's compression artifacts are obvious on sharp edges. Keep PNG (or convert to WebP) for those.
What is the difference between PNG and JPG?
| PNG | JPG | |
|---|---|---|
| Compression | Lossless — every pixel stored exactly | Lossy — discards detail the eye misses |
| Transparency | Full 8-bit alpha channel | None — always a solid rectangle |
| Repeated saving | No degradation, ever | Each re-save adds new artifacts |
| Typical size (photo) | Large — photos compress poorly losslessly | A fraction of the PNG |
| Best for | Screenshots, logos, text, editing masters | Photographs for sharing and web display |
Does converting PNG to JPG lose quality?
JPG stores color at lower resolution than brightness, so the first place compression shows is saturated color detail — red lettering, fine colored patterns, sharp boundaries between vivid hues. Brightness detail, which your eye tracks most closely, is preserved far more faithfully. That is why a landscape or portrait converts with no visible change while a colorful chart can pick up faint fringing along its lines. If the image mixes photo and graphics, inspect the busiest colored areas at full zoom.
Semi-transparent pixels deserve special attention. Soft drop shadows and anti-aliased edges in a PNG are blends of color and alpha, and flattening bakes those blends against one fixed background forever. A shadow that floated naturally over any surface now carries that background inside it, and converting the JPG back to PNG later returns an opaque image — the original cutout is gone. Keep the PNG if the artwork ever needs to sit on a different color.
Treat the output as a distribution copy, not a working file. Opening the JPG in an editor and saving it again re-runs lossy compression and stacks fresh artifacts on top of the old ones, so make edits on the PNG and export a new JPG each time. The conversion itself needs no account, handles files up to 50 MB, and both files are deleted from the server within an hour.
What can go wrong converting PNG to JPG?
- The JPG is barely smaller than my PNG — This happens with flat-color graphics and small images, where PNG already compresses efficiently and JPG's overhead eats the savings. Those images gain little from JPG — WebP is the better space-saver for graphics.
- Text and thin lines look smudged in the result — That is JPG's compression behaving normally around sharp edges — it cannot be tuned away for this kind of content. Keep screenshots and text-heavy images as PNG, or convert them to WebP instead.
- Colors look slightly duller than the original — Some viewers ignore the color profile carried over from the PNG and display the JPG in a default color space. Open the file in a color-managed app (a modern browser or Photoshop) to confirm the pixels themselves are fine.
- I need the transparency back after converting — It cannot be recovered from the JPG — the alpha channel was discarded, not hidden. Return to the original PNG, or re-cut the background in an image editor if the PNG is lost.
How to convert PNG to JPG
- Upload your PNG file using the area above.
- JPG is preselected as the target format.
- Click Start and wait for the conversion to finish.
- Download your converted JPG file.