100% Free In-browser Lossless output

Convert Any Image to PNG Free

Convert JPG, WebP, GIF, BMP or any image format to lossless PNG. PNG supports transparency and is ideal for graphics, logos, and screenshots. No upload required.

Drop images here or click to browse

JPG, WebP, GIF, BMP and more • Lossless PNG output

Accepts: any image
Converts to: .PNG
PNG is always lossless — no quality setting needed. File size depends on image complexity.
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Related tools: PNG to JPG SVG to JPG Compress Image Resize Image

How it works

Convert to PNG in 3 steps

1

Upload images

Drop your JPG, WebP, GIF, or other image files onto the tool.

2

Convert instantly

Click Convert. The Canvas API renders each image and exports as lossless PNG.

3

Download PNG

Download individual PNGs or all at once as a ZIP archive.

FAQ

Frequently asked questions

PNG is lossless — it compresses images without any quality loss. It's ideal when you need transparency (alpha channel), when you're editing an image multiple times (re-saving JPG degrades quality each time), or when you need crisp edges for logos, text, and screenshots.

JPG doesn't support transparency — it uses a white background by default. Converting a JPG to PNG won't magically add transparency. However, if you want to remove the background after converting, use our Remove Background tool on the output PNG.

For photographs, yes — PNG is typically 3–10× larger than JPG at equivalent visual quality because it's lossless. For screenshots, logos, and graphics with large flat-color areas, PNG is often smaller than JPG (since JPG creates artifacts on sharp edges).

No. All conversion happens in your browser using the Canvas API. Your images never leave your device.

Yes. WebP transparency is preserved when converting to PNG — the alpha channel is maintained. This is useful when you need a transparent PNG from a transparent WebP for use in design tools that don't support WebP.

Yes. Select or drop multiple images and all will be converted to PNG. Download them all as a ZIP archive when done.

Everything you need to know about Convert to PNG

Converting image files online has never been easier. JustDownSize processes everything locally in your browser using modern Web APIs — your files never leave your device, so your privacy is always protected.

Why use JustDownSize for convert to png?

Unlike server-based tools that upload your files to remote servers, our tool runs entirely client-side. This means instant processing with no waiting in queues, no file size limits imposed by server constraints, and complete privacy — what you convert stays on your device.

Frequently asked questions about convert to png

Our FAQ section above answers the most common questions. If you have additional questions, feel free to contact our support team.