PNG to JPG Converter
Convert PNG images to JPG online for free.
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How to convert PNG to JPG
- Upload one or more PNG files (up to 50 MB total).
- Click 'Convert to JPG' — conversion finishes in under 1 second per image.
- Download JPG files individually, or grab all as a ZIP.
Quick fact about PNG
PNG files are typically 3-10x larger than the same image saved as JPG, because PNG uses lossless compression. For photographs, converting PNG to JPG shrinks the file by 60-80% with no visible difference on screens.
Why convert PNG to JPG?
PNG is a lossless format, which makes it perfect for logos, icons, and images with transparency — but wasteful for photographs. A PNG photo stored on disk is typically 3-10x larger than the same image saved as JPG. Converting PNG to JPG shrinks the file dramatically while keeping quality visually identical for photos. The trade-off: JPG does not support transparency, so transparent PNG areas become white.
PNG vs JPG
| Attribute | PNG | JPG |
|---|---|---|
| Compression | Lossless (DEFLATE) | Lossy (DCT) |
| Typical file size | Large (3-10x JPG) | Small (reference) |
| Alpha channel | Supported (8-bit) | Not supported |
| Compatibility | Universal since 1996 | Universal since 1992 |
| Best for | Logos, screenshots, transparency | Photos, web images, email |
| Editing | Lossless editing, no quality drift | Lossy — repeated edits degrade quality |
Technical details
| Input format | PNG (Portable Network Graphics) |
| Output format | JPG (JPEG) |
| Compression | Lossy (JPEG at 92% quality) |
| Transparency | Lost (JPG has no alpha channel) |
| Typical reduction | 60-80% smaller than source PNG |
| Max file size | 50 MB per file |
| Batch processing | Supported |
| EXIF metadata | Preserved |
| File retention | Auto-deleted after conversion |
How the conversion works
The converter decodes the PNG image and re-encodes it as JPG using libjpeg at 92% quality. Transparent pixels are composited onto a white background because JPG has no alpha channel. EXIF metadata is preserved from the source PNG. The output is typically 60-80% smaller than the source for photographs.
When to convert PNG to JPG
- Reducing photo file size for email and messaging apps.
- Optimizing website images for faster page loading.
- Converting screenshots for sharing on Slack, Teams, or Discord.
- Preparing images for upload to forms with size limits.
- Reducing image weight before uploading to a CDN.
- Compressing photo archives without visible quality loss.
- Converting large PNG photos for social media posts.
Quality considerations
PNG to JPG conversion is lossy at 92% quality — visually indistinguishable from the source on screen and for print up to A3 size. The output is typically 60-80% smaller than the source PNG. Best results when converting photographs; screenshots and text-heavy images compress less and may show slight softening around text.
Limitations and caveats
- JPG does not support transparency — transparent PNG areas become white.
- Screenshots with sharp text edges may show slight artifacts.
- Repeated PNG → JPG → PNG round-trips lose quality each time.
- Very large PNGs (over 50 MB) are rejected.
- Animated PNG (APNG) files are converted using only the first frame.
Compatibility
- Output JPG opens on every device and application released in the last 30 years.
- Accepted by all email clients, browsers, and social platforms.
- Native import in Photoshop, GIMP, Paint.NET, Affinity, Figma.
- Best format for web images (faster page loads, smaller CDN footprint).
- Compatible with every CMS, marketplace, and image upload form.
Tips for best results
- Use PNG → JPG when transparency is not needed.
- Keep the PNG if you plan to edit the image repeatedly — JPG degrades.
- Batch-convert multiple PNGs at once (up to 50 MB per session).
- Use PNG → JPG for photos; use PNG → WebP for even smaller files.
- EXIF data (camera, GPS, timestamp) is preserved.
Common problems and fixes
- Transparent areas appear white in the JPG
- JPG does not support transparency. Transparent PNG areas are composited onto white. Use PNG → WebP if you need to preserve transparency.
- Screenshot text looks slightly fuzzy
- JPG compression softens sharp edges. For screenshots with lots of text, use PNG → WebP (lossless mode) or keep the PNG.
- PNG is already small — JPG isn't smaller
- Very small PNGs (icons, simple graphics) may not compress much further. JPG's advantage is strongest on photographs with lots of detail.
Frequently asked questions
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Sources and references
Last reviewed: 2026-10-01