Image

PNG to AVIF Converter — Transparent AVIF, Tiny Files, No Upload

Convert PNG graphics and photos to AVIF with transparency — tiny files for modern websites.

Local Processing Your file stays on your device. Processing happens locally in your browser.

Drop a file here or click to choose

Your file stays on your device. Processing happens locally in your browser.

PNG is lossless: every pixel is kept exactly, so there is no quality slider.

Icon sizes

Give one side to keep the proportions, or both to fit inside that box (never stretched).

JPG has no transparency: transparent areas become the background colour.

What is PNG to AVIF?

PNG to AVIF converts PNG logos, cut-outs and photos into AVIF with the alpha channel kept, usually far smaller than the PNG. Use quality 100 for lossless AVIF, or 60–70 for photos. Encoding runs on your device with a self-hosted encoder.

Key features

  • Transparency kept
  • Lossy or lossless (quality 100)
  • Self-hosted AVIF encoder, loaded only when needed
  • Before/after format, dimensions, file size and % change
  • Output decoded again and checked before download
  • Runs in your browser — nothing is uploaded

Popular uses

  • Transparent product cut-outs for a fast shop
  • Lightweight hero graphics
  • Modern image sets for <picture> elements

Supported formats

Input: PNG. Output: AVIF.

Troubleshooting

  • Encoding is slow AVIF encoding is heavy and runs on your processor. Resize large PNGs first, or try PNG to WebP.
  • The page says the image is too large for this device Very large pictures have to fit in your browser's memory. Close other tabs or use a computer.
  • Need a different format? Open the Image Converter — it reads 10 formats and writes 7.

Also known as: Convert PNG to AVIF, Transparent AVIF, Lossless AVIF.

How it works

  1. Choose a PNG image.
  2. AVIF is preselected; set quality, or 100 for lossless.
  3. Convert and download the AVIF.

FAQ

Does AVIF support transparency?

Yes. AVIF keeps the alpha channel, so logos and cut-outs stay transparent.

Is AVIF better than WebP?

AVIF is usually smaller at the same quality, especially for photos, but takes longer to encode. WebP is faster and very widely supported.

Is my image uploaded?

No. It is decoded, converted and checked in your browser; the file never leaves your device.

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