JPG to PNG Converter
Image ToolsConvert JPG/JPEG images to PNG format for transparency or lossless editing. Free, private — all processing in your browser.
Drop a JPG and download it as a PNG. It converts locally in your browser and shows the before/after sizes. Be ready for the file to get bigger, not smaller — that's normal and expected. PNG is lossless, so it stores every pixel exactly, while your JPG was already compressed; wrapping that in PNG means a larger file with no gain in quality.
So why convert JPG to PNG? A few real reasons: you need a PNG specifically (some tools, upload forms, or design workflows require it), you want a lossless copy to edit without adding more JPG compression on each save, or you're about to add transparency in an editor and need a format that supports an alpha channel. What it does not do is improve the image — PNG can't recover detail the JPG already threw away.
Everything runs in your browser; the image is never uploaded. It's a quick format switch for when something downstream insists on PNG.
What the JPG to PNG Converter can do
Lossless JPG → PNG
PNG preserves every pixel of the JPG exactly. No additional quality loss during conversion.
Batch conversion
Drop multiple JPGs and convert all at once. Download individually or as a ZIP.
Large file support
Multi-megapixel photos convert smoothly. Browser memory is the only limit.
Maintains dimensions
Output PNG has exact same pixel dimensions as input JPG. No resizing unless requested.
EXIF metadata options
Strip metadata by default (privacy, smaller files) or keep it (professional workflows).
Preview before download
Side-by-side preview of JPG and PNG. File size comparison shown.
No upload, no account
Runs entirely in your browser. No file uploads, no registration, no watermarks.
Works offline
Once the page loads, works without network connection. Convert anywhere, anytime.
Step by step
- 1
Drop your JPG files
Drag one or more JPGs, or click to select. JPG and JPEG are both supported (same format, different extension).
- 2
Choose options
Keep EXIF metadata? Strip for privacy (default). Additional settings: upscale, max dimensions.
- 3
Click Convert
Files process in parallel. Progress bar for large batches. File sizes compared.
- 4
Download
Individual PNGs or a ZIP. PNG files are typically 5-10× larger than original JPGs (lossless storage).
Common use cases for the JPG to PNG Converter
Image editing
- →Prepare for multi-step editing: Edit in Photoshop, Affinity Photo, or GIMP without losing quality on each save. Convert JPG to PNG first.
- →Add transparency to photos: Remove background (manually or with AI) — requires PNG to store the transparent alpha channel.
- →Print preparation: Print workflows often require lossless PNG or TIFF. Convert from JPG sources when the PNG is specified.
Design workflow
- →Import to design tools: Some design tools (Figma, Sketch) prefer PNG for exporting/importing with transparency support.
- →Illustrator and Corel: Vector editing tools often use PNG for raster assets. Convert JPG source photos to PNG for integration.
- →Color accuracy in design: Working with design tokens or color extraction — lossless PNG preserves exact colors for sampling.
Archive and documentation
- →Scientific imaging: Medical, microscopy, astronomy — lossless is required for accurate analysis. Convert JPG captures to PNG if needed.
- →Historical photo preservation: Digitize old photos — save as PNG for long-term archival (no generational quality loss).
- →Documentation screenshots: PNG preserves text clarity in screenshots. Convert from JPG if JPG artifacts are visible.
Specific requirements
- →Client or platform demands: Some clients or platforms specifically require PNG format. Convert to comply.
- →Icons and logos: If a logo was saved as JPG by accident, convert to PNG to enable transparency and sharper display.
- →Transparent watermarks: Need to add a semi-transparent watermark? Convert to PNG first, then edit.
Worked examples
Basic photo conversion
JPG to PNG, size increase.
Source: photo.jpg (520 KB, 3000×2000)
photo.png (4.8 MB — 9× larger) Lossless: every pixel preserved
Batch 20 JPGs to PNG
Bulk conversion for design project.
20 JPGs, total 8 MB Convert to PNG
20 PNGs, total 75 MB (9× larger) Ready for editing in Photoshop without quality loss
Preparing for transparency
Step 1 in background removal workflow.
Source: product_photo.jpg (solid white background)
product_photo.png (8× larger) Now can use tool like remove.bg or Photoshop to add transparency
Client requirement
Print shop requires PNG.
Client: "Please provide logo as PNG, 300 DPI" Source: logo.jpg (150 KB, 1200×1200)
logo.png (920 KB) Pixel dimensions same Ready for print submission
File size warning
When PNG is too large.
Source: 12 MP camera.jpg (5 MB) Convert to PNG
camera.png (42 MB) ⚠ PNG is 8× larger than JPG Tip: only convert if you need PNG features (transparency, lossless editing). For web display, keep as JPG.
How it works
The JPG is drawn onto an HTML canvas and exported with canvas.toDataURL("image/png"). PNG is lossless, so the output preserves exactly the pixels of the decoded JPG — including any compression artifacts the JPG already had. Because PNG stores full pixel data without JPG's lossy compression, photographic images almost always come out larger, often several times the size. The tool reports the size change (usually "larger") so there's no surprise.
Converting won't add real transparency on its own — the JPG has none, so the PNG is fully opaque. It simply gives you a format that supports an alpha channel for later editing. Re-encoding through the canvas also strips EXIF and color-profile metadata. The reported size is estimated from the encoded data. All processing is client-side; nothing leaves your browser.
Common problems and solutions
⚠The PNG will usually be larger
PNG is lossless and can't compress photos as tightly as JPG, so converting a photo to PNG typically multiplies its size. That's expected — convert only when you actually need PNG, not to save space.
⚠It doesn't improve quality
PNG preserves the JPG's pixels exactly, artifacts and all. Converting can't recover detail the JPG already discarded — the image won't look any sharper or cleaner.
⚠No transparency is added
A JPG has no alpha channel, so the resulting PNG is fully opaque. PNG merely supports transparency; you'd still need to remove or mask a background in an editor to actually get it.
⚠Metadata is stripped
Re-encoding removes EXIF and color-profile data. Camera info and orientation flags won't carry over to the PNG.
⚠For smaller files, don't use PNG
If your aim is a smaller file, keep the JPG or convert to WebP. PNG is the right target only when the format itself is required.
How it compares
If your goal is a smaller file, converting JPG to PNG is the wrong direction — keep the JPG, or use WebP for better compression. This tool is for when you specifically need the PNG format: a lossless working copy, compatibility with a tool that won't accept JPG, or a starting point before adding transparency in an editor.
Compared to a desktop editor, the advantage is just convenience: instant, in-browser, no upload. The editor is better when you actually intend to add transparency, crop, or retouch — this only changes the container format, it doesn't edit the image.
Frequently asked questions about the JPG to PNG Converter
▶Why is my PNG bigger than the original JPG?
Because PNG is lossless — it stores every pixel without JPG's lossy compression. Photos have lots of detail, so a lossless copy is naturally much larger. This is normal and not a bug.
▶Does converting JPG to PNG improve the image?
No. PNG preserves exactly what the JPG contained, including any existing compression artifacts. It can't restore detail the JPG already lost, so the image won't look better.
▶Will converting add a transparent background?
No. The JPG has no transparency, so the PNG comes out fully opaque. PNG supports transparency, but you'd need to remove the background in an image editor to actually create it.
▶When should I convert JPG to PNG?
When you need PNG specifically: a lossless working copy for editing, compatibility with a tool that requires PNG, or a base to add transparency to later. Not for reducing file size.
▶Is my image uploaded anywhere?
No. The conversion happens in your browser on a canvas. The file stays on your device.
Further reading
- PNG Specification — Official W3C specification for PNG format.
- JPEG Committee — Standards organization behind JPEG.
- Image Formats Compared — Google Dev — Google's image optimization guide.
- MDN HTML Canvas — Browser API used for image conversion.
- Image Formats — Tooleras blog — Our comparison of web image formats.
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