PNG → AVIF Converter

Drag & Drop your .png here, or pick a file below. Nothing is uploaded.

Troubleshooting

If your browser doesn't support AVIF encoding, you'll see a warning below. Try an up-to-date Chromium-based browser.
Large PNGs can be memory-heavy when resizing. Try smaller output dimensions if conversion fails.
Transparency is preserved. If you need a solid background, set width/height as desired and we'll keep alpha; you can composite later if needed.

Output width (px)

If only width is set, height is computed to preserve aspect ratio.

Output height (px)

If only height is set, width is computed automatically.

AVIF quality

0.80

Higher = better quality, larger file. Typical range: 0.6-0.9.

Detected support

Checking…

Load a PNG to preview.

Size: -

Dimensions: -

Convert to preview AVIF here.

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Dimensions: -

PNG → AVIF - Quick Cheat Sheet

Quality: AVIF quality (0-1) balances size vs fidelity. Start at 0.8.
Resizing: Set either width or height; the other dimension auto-fits to preserve aspect ratio.
Alpha: AVIF supports transparency; PNG alpha is preserved.
Color: Embedded color profiles are not modified here; browser encoders handle conversion.
Support: Some browsers don't encode AVIF yet. This tool detects support and will warn if unavailable.
Privacy: All work happens locally in your browser-no uploads.

How output size is chosen

If both width & height are set, we resize to those exact dimensions.
If only one dimension is set, the other is computed from the source aspect ratio.
If neither is set, we keep source dimensions.