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Convert PNG to JPG or JPG to PNG in bulk. Adjust quality, set background color for transparency.
Drop PNG files here or click to browse
Multiple files supported · Convert all at once
PNG to JPG Converter converts between PNG and JPG using the Canvas API's toBlob() method — for PNG→JPG, a white (or custom color) background fill is applied first to handle transparency, since JPG has no alpha channel.
Convert between PNG and JPG formats in bulk. Set JPG quality (50–100%), choose a background color to replace PNG transparency, and download all converted files instantly.
Select PNG→JPG or JPG→PNG tab.
Drop your files onto the upload area.
Adjust quality and background color, then click Convert.
Conversion uses Canvas.toBlob(callback, mimeType, quality). For PNG→JPG: ctx.fillStyle=bgColor; ctx.fillRect(0,0,w,h) applied before drawImage to replace transparency. For JPG→PNG: no background fill needed, PNG supports alpha. Quality range 50–100 maps to 0.5–1.0 in toBlob.
JPG doesn't support transparency, so the tool fills transparent areas with your chosen background color (white by default).
Yes — typically 2–10x smaller for photos. JPG uses lossy compression that dramatically reduces file size.
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