Convert PNG to JPG Online
Yes. You can convert large PNG images to compact JPG files in your browser without uploading your files. Using client-side canvas compositing, you can choose custom background colors to fill transparency cleanly.
Browse files or drag & drop
Files never leave your browser. Zero cloud uploads.
Supports JPG, PNG, WebP, GIF, BMP, AVIF, or SVGYour files are processed in your browser and are not uploaded by our code. You can confirm this in your browser's Network tab. Third-party ad scripts load on the page, outside the tool area, and are not given your files.
How does it work locally?
Select PNG File
Drag your PNG file into the drop zone. The image is loaded directly into local canvas memory.
Choose Transparency Fill
Because JPG does not support alpha channels, pick a background color to blend transparent areas.
Compress & Download
Adjust the quality slider to balance visual fidelity and file weight, then download your JPG.
Tips for Best Results
- Set background color to white (#ffffff) for clean product catalog listings.
- A quality slider setting of 92% provides near-lossless visual appearance with major file size reductions.
- Converting large screenshot PNGs to JPG typically saves 60% to 80% of file weight.
Format Comparison
| Feature | Input PNG | Output JPG |
|---|---|---|
| File Size | Large (Lossless) | Compact (Typically 70% smaller) |
| Alpha Channel | Full 8-bit transparency | Flattened to chosen solid color |
| Compatibility | Universal digital web | Universal across all devices and print |
Limits and Technical Specifications
- Maximum image size: 40 MB and 50 megapixels.
- Alpha transparency is irreversibly flattened during conversion to JPG.
Frequently Asked Questions
What happens to transparent backgrounds when converting to JPG?
Because JPG does not support alpha transparency, transparent areas are filled with your chosen solid background color.
How much smaller will my JPG file be?
Depending on the quality setting, converting high-resolution PNGs to JPG typically reduces file size by 50% to 80%.
What quality setting should I use?
A quality level of 90% to 92% provides an ideal balance of visual fidelity and compact file size.
Is there a file limit?
You can convert images up to 40 MB each and batches of up to 20 files at a time.
Do my photos get uploaded?
No. Your files stay strictly on your device.
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