What does the GIF to APNG tool do?

It converts an animated GIF into an APNG (Animated PNG) — a lossless animated image format with full alpha transparency.

APNG (Animated PNG) is an extension of the PNG format that supports animation while keeping full PNG image quality and true alpha transparency for every frame.

Why convert GIF to APNG instead of keeping GIF?

GIF is limited to a 256-color palette per frame and only supports fully on/off transparency. APNG supports millions of colors and smooth, partial transparency, so gradients and shadows look much cleaner.

Is the conversion lossless?

Yes. Each GIF frame is decoded and re-encoded as a full-color PNG frame with no additional compression artifacts beyond PNG's lossless compression.

Will the APNG file be larger than the original GIF?

Often yes. Because APNG stores full-color, lossless frames instead of a compressed 256-color palette, file size is typically larger than the source GIF, especially for longer animations.

Where can I use an APNG file?

Modern browsers (Chrome, Firefox, Safari, Edge) all support APNG natively, so it works anywhere a normal or CSS background image is used.

Is frame timing preserved?

Yes. Each frame's original GIF delay is carried over to the APNG so the animation speed matches the source GIF.

Does this tool upload my file anywhere?

No. The entire conversion — decoding, compositing, and encoding — happens locally in your browser. Your GIF is never uploaded to a server.

Can I convert a transparent GIF?

Yes. Transparent regions in the source GIF are preserved and converted to true alpha transparency in the output APNG.

Why is conversion slow for large GIFs?

APNG encoding is done entirely in your browser using JavaScript, so very large or long GIFs (many frames or high resolution) may take longer to process than smaller files.

GIF to APNG

Convert an animated GIF to a lossless animated PNG (APNG) with true alpha transparency.

Drop your GIF here

Or click to browse · GIF only

Convert an animated GIF into an APNG (Animated PNG) — a lossless format that supports full 24-bit color and true alpha transparency for every frame, unlike GIF's 256-color palette.

Ideal when you need smoother gradients, cleaner semi-transparent edges, or higher color fidelity than GIF allows. The conversion runs entirely in your browser with no upload needed.

How to Convert GIF to APNG

1
Upload a GIF
Drag and drop your animated GIF onto the upload area, or click it to browse and select a file.
2
Click Convert to APNG
Once the GIF loads and its frame count appears, click the 'Convert to APNG' button. Every frame is decoded, composited, and losslessly re-encoded as APNG in your browser.
3
Download the APNG
When conversion finishes, preview the animated result and click 'Download APNG' to save the file to your device.

GIF to APNG — FAQ

Last Updated: August 14, 2026

GIF to APNG

How to Convert GIF to APNG

GIF to APNG — FAQ

Explore the Flexeam Universe