Step by step
- Drop your PNG files into the converter box on this page, or tap to select them from Finder.
- Choose your JPG quality (90% keeps screenshot text readable; 95% is best for small text) and pick a background color for transparent areas.
- Press Convert and download your JPG files.
- For an offline macOS option, open a PNG in Preview, choose File > Export, set Format to JPEG, and click Save.
At a glance
| Method | Best for | Trade-off |
|---|---|---|
| Browser tool on this page | Batch files, no app switching | Needs a browser tab open |
| macOS Preview | Single file offline | One file at a time via Export |
| macOS Terminal (sips) | Scripting many files | Requires command-line syntax |
Where to find it on your device
- macOS Preview: File > Export > Format: JPEG
Related questions
How do I batch convert PNG to JPG on a MacBook?
Drop all your PNG files into the converter box on this page at once, pick your quality and background color, and press Convert. You can also select multiple PNGs in Preview, choose File > Export Selected Images, and pick JPEG.
How do I convert PNG to JPG on Mac using Terminal?
Open Terminal, navigate to your folder with cd, and run sips -s format jpeg input.png --out output.jpg. For quick visual control over quality and transparency, the browser tool on this page is faster.
Does the browser converter upload my Mac screenshots?
No. The conversion runs inside your browser using your Mac's own processor, so private screenshots and photos never leave your device.
Why did my transparent PNG get a white or black background?
JPG does not support transparency, so transparent areas are filled with a solid color. Use the background color picker in the tool on this page to choose white or any color you need.
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Open the full png to jpg converter →
Updated November 14, 2026.