Convert PNG to JPG Online Free
Dramatically smaller files. Perfect for photos and web.
ToFormat — free online converter
Upload your files
Max file size: 30MB · Up to 20 files at once
Why ToFormat?
Much Smaller Files
JPG files are typically 5–10× smaller than PNG, making them ideal for sharing, email attachments, and web use.
Universal Compatibility
JPG is the most widely supported image format — it works on every device, every app, and every platform without exception.
Adjustable Quality
Control the balance between file size and visual quality with the quality slider. Find the perfect sweet spot for your needs.
About the Formats
🖼️ What is PNG?
PNG (Portable Network Graphics) is a lossless raster format that preserves every pixel exactly. It supports transparency (alpha channel) and is widely used for screenshots, graphics, and images where quality cannot be compromised. The downside — PNG files are large, especially for photographs.
All PNG conversion tools →📸 What is JPG (JPEG)?
JPG is the world's most popular photo format, developed in 1992. It uses DCT-based lossy compression to deliver compact files — typically 5–10× smaller than PNG for photographs. JPG is universally supported by every device, browser, app, and platform.
All JPG conversion tools →How to Convert
Upload your PNG file
Click the upload area or drag and drop your PNG image. Batch upload up to 20 files at once.
Set quality
Adjust the quality slider. 80% is recommended for most uses — it gives the best balance of size and quality.
Download JPG
Your compressed JPG file is ready to download. Available for 10 minutes.
When to Convert PNG to JPG
📧 Email & File Sharing
PNG screenshots and photos are often too large for email attachments and file sharing services. Convert to JPG to shrink files by 5–10× while keeping them looking great.
💡 For modern web: try PNG to WebP →🌐 Website Optimization
Large PNG files slow down websites. Convert photo-style PNGs to JPG for faster page loads. Google PageSpeed Insights flags oversized PNGs as a performance issue.
💡 Even smaller: try PNG to AVIF →📱 Social Media & Messaging
Most social platforms compress uploads anyway. Starting with an optimized JPG gives you control over quality and avoids platform re-compression artifacts.
💡 Need transparency? Try PNG to WebP →💾 Storage & Archival
Photo libraries full of PNG files eat storage fast. Convert photographs to JPG at 90% quality for massive space savings with negligible visual difference.
💡 For print archive: try PNG to TIFF →Format Comparison
| Format | PNG | JPG |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | Yes | No |
| File Size | Larger | Smaller |
JPG removes transparency — for transparent images, try PNG to WebP. For maximum compression, try PNG to AVIF. Need lossless? Keep PNG.
💡 Pro Tips
- JPG does not support transparency. Any transparent areas in your PNG will be filled with a white background. If you need transparency, use PNG to WebP instead.
- At 80% quality, JPG compression is virtually imperceptible on photographs — this is the sweet spot for most use cases. Only go higher (90%+) for professional print.
- PNG screenshots of text and UI elements may show compression artifacts in JPG, especially around sharp edges and flat colors. For screenshots, consider WebP instead.
- For batch conversion, upload up to 20 PNG files at once. All will be converted to JPG with the same quality setting.
- If your PNG contains a large solid-color background, JPG will compress it extremely well — you may see 10–20× size reduction at 80% quality.
- JPG uses mozjpeg encoding in our converter — an optimized encoder that produces 5–10% smaller files than standard JPEG at the same quality level.
Understanding PNG to JPG Conversion
PNG and JPG solve different problems. PNG preserves every pixel with lossless compression — perfect for graphics, screenshots, and images with transparency. JPG trades minimal, imperceptible quality loss for dramatically smaller files — perfect for photographs, sharing, and web use.
When you convert PNG to JPG, our tool decodes the lossless PNG data and re-encodes it using JPG's DCT-based lossy compression with mozjpeg optimization. The result is a file typically 5–10× smaller that looks virtually identical to the original at 80% quality. The tradeoff: JPG discards transparency (filling it with white) and introduces very subtle compression artifacts that are invisible at higher quality settings.
PNG vs JPG: When to Use Which
Keep PNG when you need: transparency (alpha channel), pixel-perfect quality for graphics and screenshots, lossless editing workflow, or images with sharp text and flat colors where JPG artifacts would be visible.
Convert to JPG when you need: smaller files for sharing and email, optimized images for web pages, photos for social media, or reduced storage for large photo libraries. JPG excels at photographs and complex images where the human eye can't detect compression.
For the best of both worlds, WebP offers smaller files than JPG with optional transparency. For maximum compression, AVIF delivers up to 50% smaller files than JPG.
Optimizing JPG Quality Settings
The quality slider controls the tradeoff between file size and visual fidelity. Here's a practical guide:
90–100% — near-lossless quality, minimal size savings. Use for professional printing or when every detail matters. Files are 2–4× smaller than PNG.
75–85% — the sweet spot. Imperceptible quality loss on photographs with major size savings. Files are 5–10× smaller than PNG. Our default of 80% falls in this range.
50–70% — visible but acceptable quality reduction. Good for thumbnails, previews, and images where size is the top priority. Files are 10–20× smaller than PNG.
For web-optimized delivery beyond JPG, explore our WebP and AVIF converters.