Turn heavy PNG graphics into lightweight, web-optimized JPEG images. Fast, private, client-side conversion with customizable quality.
Reduce file size drastically by converting PNG to JPEG in three easy steps.
Drop your PNG files into the converter or select them from your device.
Use the default 90% quality or fine-tune compression to hit your exact target file size.
Download the converted JPG files individually or save all in a single ZIP file.
PNG files can be very heavy—often 5x to 10x larger than equivalent JPG files. Converting PNG to JPG drastically cuts file sizes, making images load faster on websites, upload quicker on social media, and fit into email attachment size limits.
Because standard JPG does not support transparency, transparent areas in your PNG will be converted into a clean solid background.
No. Convert.cool performs all conversions client-side directly within your browser using WebAssembly. Your photos and sensitive graphics never leave your device.
Yes. You can select or drag and drop dozens of PNG files simultaneously. Convert.cool converts them in parallel and lets you download individually or in a ZIP archive.