PNG to JPG
Compress PNG images to lightweight JPG format.
Drag & Drop Your Images Here
Supports .png files up to 50MB
Browse From DeviceFiles never leave your device. All processing happens locally in your browser.
Supported Formats: All common image formatsMaximum File Size: 50 MB
Savings vary by image and quality setting — lossy compression and modern formats like WebP shrink photos dramatically.
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Why Convert PNG to JPG?
PNG (Portable Network Graphics) preserves every pixel with lossless compression, but that fidelity comes at a cost: photographic PNGs are often several megabytes. JPG (Joint Photographic Experts Group) uses lossy DCT compression tuned for smooth gradients and natural detail, shrinking photos to a fraction of their PNG size — ideal when transparency isn't needed.
- ✓Massive size reduction: lossy DCT compression cuts photographic PNGs to a fraction of their original weight
- ✓Quality control: adjustable quality slider balances file size against visual fidelity
- ✓Universal compatibility: JPG opens everywhere — email clients, social platforms, and every CMS
- ✓Clean background handling: alpha channel transparency is flattened onto a solid white background
PNG vs JPG: Key Differences
Both are raster image formats, but they make opposite trade-offs between fidelity and file size.
How to Convert PNG to JPG in 3 Steps
Add Your PNG Files
Drag and drop one or more .png images into the upload zone, or click to browse. Files up to 50MB each are supported.
Adjust the Quality
Use the quality slider to balance size and fidelity — 85% is a great default for photos. Lower values give tiny files; higher values keep near-original detail.
Download JPG Files
Download files individually or grab them all as a ZIP archive. Transparent areas become white in the output.
When Should You Convert PNG to JPG?
Convert when file size matters more than pixel-perfect fidelity: photographs for websites, images for email attachments, social media uploads, and anywhere with upload size limits. If your PNG is a photo or screenshot of photographic content, JPG at 80–90% quality looks virtually identical at a fraction of the size. JPEG also stores colour at a lower resolution than brightness (chroma subsampling), a trade photos tolerate well because human vision is far more sensitive to luminance detail than to colour detail. Keep PNG for logos, icons, and anything needing transparency.
Key insight: JPG's discrete cosine transform divides images into 8×8 pixel blocks and discards high-frequency detail your eyes barely notice. On smooth photographic gradients this is nearly invisible — which is why a 3MB PNG photo can become a 300KB JPG with no perceptible change. On sharp text and flat graphics, those discarded frequencies show up as blocky artifacts.
What Happens to Transparency?
JPG has no alpha channel, so transparent pixels must become solid. Our converter flattens transparency onto a white background — the standard, predictable choice. If your image relies on see-through areas (a logo overlay, for instance), do not convert: use PNG or WebP instead to keep the alpha channel intact.
Related: Want transparency and small files? Try our PNG to WebP converter — WebP keeps the alpha channel at much lower sizes. To shrink images without changing format, use the image compressor.
Going the other way? Our JPG to PNG converter has you covered.
Frequently Asked Questions
Some — JPG is a lossy format, so fine detail is discarded during compression. The quality slider controls the trade-off: at 85–90%, most photos show no visible difference from the PNG. Below 70%, blockiness and color banding can appear, especially in smooth gradients.
They become white. JPG cannot store transparency, so the converter composites your PNG over a white background before encoding. Semi-transparent edges become blended with white. If transparency matters, convert to WebP instead.
It depends on the image. Photographic PNGs often shrink to 10–20% of their original size at quality 85. Simple graphics with flat colors compress less dramatically as JPG — those are usually better kept as PNG or converted to WebP.
Start at 85% — the sweet spot where files are small but visually near-identical to the source. Use 90–95% for images you'll edit further, 70–80% for web thumbnails where size matters most.
No. Conversion runs entirely in your browser via the HTML5 Canvas API. Your images are decoded, flattened, and re-encoded locally — nothing is uploaded, stored, or logged anywhere.
Yes. Queue up as many .png files as you like, set the quality once, and convert them all in a single batch. Download everything together as a ZIP archive when done.