🔄 JPG → PNG Converter — No Upload Required

Convert JPG to PNG Online Free

Convert any JPEG image to PNG format instantly in your browser. Get a lossless PNG with full transparency support. No upload — 100% private and free forever.

JPG→PNG PNG→JPG JPG→WEBP WEBP→JPG PNG→WEBP WEBP→PNG JPG→PDF Image→PDF HEIC→JPG BMP→JPG All Formats
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Drop your JPG file here

or click to browse · JPG / JPEG only

💡 Press Ctrl+V to paste a JPG image directly

Original JPG
Original JPG
FormatJPEG
File size—
Dimensions—
→
Converted PNG
Converted PNG preview
FormatPNG (Lossless)
File size—
Size change—

Why convert JPG to PNG?

PNG is a lossless format — once converted, no further quality is lost regardless of how many times you save or edit the file. JPG uses lossy compression, meaning every save slightly degrades the image. Converting to PNG is ideal when you need to edit the image further, add transparency, or archive it without quality degradation.

PNG also supports full alpha channel transparency, which allows for transparent backgrounds in logos, icons, and UI elements — something JPG cannot do.

How to convert JPG to PNG online free

Drop your JPG file onto the tool above, or click to browse. The conversion happens instantly in your browser using the HTML5 Canvas API. No upload to any server — your image stays on your device throughout. Click "Download PNG" to save the converted file. The output PNG will retain the exact same dimensions as your original JPG.

JPG vs PNG — what's the difference?

PropertyJPGPNG
CompressionLossyLossless
Transparency❌ Not supported✅ Full alpha channel
File sizeSmaller (photos)Larger (photos)
Best forPhotography, web photosGraphics, logos, editing
Re-save qualityDegrades each saveNo degradation

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PNG → JPG

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JPG → WEBP

Modern web format
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JPG → PDF

Document format
⚡

Compress Image

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📐

Resize Image

Change dimensions

Frequently asked questions

Does converting JPG to PNG improve image quality? ▾
No. Converting JPG to PNG makes the file lossless going forward, but cannot recover detail lost during the original JPEG compression. The PNG will look identical to the source JPG — just in a lossless container. If your JPG already looks good, the PNG will look good too.
Why is the PNG bigger than my original JPG? ▾
PNG uses lossless compression, which is less efficient than JPEG's lossy algorithm for photographic images. A typical JPG photograph converted to PNG will be 2–5× larger. This is normal. PNG's benefit is quality preservation, not file size. For photographs displayed on the web, JPG or WEBP is generally preferable.
Does PNG support transparency? ▾
Yes. PNG supports full alpha channel transparency — individual pixels can be fully transparent, semi-transparent, or opaque. Since source JPGs don't have transparency, the converted PNG will have a fully opaque background. To add transparency, use a PNG editor after conversion.
Is my image uploaded to a server? ▾
No. This converter runs entirely in your browser using the HTML5 Canvas API. Your image is never uploaded, stored, or transmitted to any server. Everything happens locally on your device.
What is the maximum file size this tool supports? ▾
This tool accepts JPG files up to 20MB. Large images may take a few seconds to process as the browser allocates canvas memory, but no server upload timeout applies since all processing is local.