Why is my PNG much bigger than the AVIF source?

AVIF compresses very efficiently; PNG trades that efficiency for lossless quality and wide editing-tool compatibility.

Is AVIF transparency preserved?

Yes, PNG supports transparency, so transparent AVIF regions stay transparent.

Image Conversion

AVIF to PNG

Convert AVIF images to editing-friendly PNG. Your files stay on your device during processing.

Private local processing

Your file stays in this browser.

Keep working

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About AVIF to PNG

Convert AVIF images to lossless PNG files, preserving transparency where the source has it.

PNG is useful for editing and broad compatibility but usually creates a much larger file than AVIF.

What the result contains

A separate result that convert AVIF images to editing-friendly PNG. The source remains unchanged in the current browser session.

Supported formats

AVIF

How to use AVIF to PNG

Choose the source files in a supported format (AVIF, .AVIF) and confirm the displayed file details.
Prepare the available controls for this practical goal: Open an AVIF graphic in an editor without AVIF support
Run AVIF to PNG and confirm that the new result matches the stated outcome before saving it.
Check this known constraint before download: PNG output is typically much larger than the AVIF source If needed, revise the settings and create another version from the retained source.

Practical example

Open an AVIF graphic in an editor without AVIF support. Use a representative source, compare the output with the original, and keep the version that meets the destination's requirements.

When to use AVIF to PNG

Open an AVIF graphic in an editor without AVIF support
Archive a modern image asset in a broadly compatible format
Prepare a transparent AVIF image for further editing

Important limitations

PNG output is typically much larger than the AVIF source
Your browser must support decoding AVIF locally

Troubleshooting AVIF to PNG

The result is different from what you expected

PNG output is typically much larger than the AVIF source Return to the retained source, adjust the relevant setting and create a fresh result rather than repeatedly processing the output.

Private local processing

The file is processed on this device and is not uploaded to MyFileNest. Closing or refreshing the page clears the active session.

Frequently asked questions

Practical limit: Files up to 25 MB are accepted for guests. Very large dimensions, complex documents or limited device memory can affect browser processing.