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MGToolbox

PNG to JPG Converter

Converter100% In-Browser

Convert heavy PNG files into compact, universally compatible JPG — transparency flattened to white.

Optimization Parameters
90%
Smallest FileBalancedBest Quality

Select images for PNG to JPG Converter

Drop your photos here or click to browse. Multiple files supported.

100% In-Browser • Files are processed 100% locally
Zero Data Collection
Files are processed 100% locally
Instant Client-Side Speed
Zero network upload delays
Free & Unlimited
No registration or credit card needed

Instant PNG to JPG Conversion, Fully Client-Side

PNG screenshots and exports are often 5–10× larger than they need to be for photo use. Converting to JPG typically cuts the size dramatically while remaining universally compatible with every app, portal, and device.

Transparent regions are flattened onto a clean white background (or black, if you prefer) because JPG does not support transparency. A quality slider lets you balance size against fidelity, and batch conversion is built in.

Frequently Asked Questions

Everything you need to know about using PNG to JPG Converter safely and efficiently.

JPG has no alpha channel, so transparent pixels are composited onto a solid background — white by default — before encoding.
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