Convert PNG to AVIF Online — Free & Private

Convert your PNG images to AVIF format directly in your browser. No file uploads, no server — your images stay on your device.

Drop your images here

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Accepts JPEG, PNG, WebP, AVIF, TIFF, GIF, BMP, HEIC, PSD, SVG

85%

How to Convert PNG to AVIF

  1. Click the drop zone above or drag and drop your PNG image(s) into it.
  2. Make sure AVIF is selected as the output format.
  3. Adjust the quality slider if needed (higher = better quality, larger file).
  4. Click "Convert all" and wait for the conversion to complete.
  5. Download your converted AVIF file(s).

What is PNG?

Portable Network Graphics (PNG) — A lossless image format that supports full transparency (alpha channel). Perfect for screenshots, logos, icons, and graphics with sharp edges or text.

  • Format type: Lossless
  • File extension: .png

What is AVIF?

AV1 Image File Format (AVIF) — A next-generation format based on the AV1 video codec. Delivers superior compression — up to 50% smaller than JPEG — with support for HDR, wide color gamut, and transparency.

  • Format type: Lossy / Lossless
  • File extension: .avif

Why Convert PNG to AVIF?

Both PNG and AVIF are lossless formats, so converting between them preserves full image quality. This conversion is useful for compatibility — AVIF may be better supported by your software, platform, or workflow.

PNG vs AVIF — Key Differences

Feature PNG AVIF
Full name Portable Network Graphics AV1 Image File Format
Compression Lossless Lossy / Lossless
File extension .png .avif

Frequently Asked Questions

Is this converter free?

Yes, completely free. There are no limits on the number of conversions, no file size restrictions, and no account required.

Is my image data safe?

Absolutely. Your files never leave your device. All conversion happens locally in your browser using the Canvas API — no data is uploaded to any server.

What browsers are supported?

This converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Some output formats (AVIF, WebP) may have limited support in older browsers.

Can I convert multiple files at once?

Yes. You can drop or select multiple PNG files and they will all be converted to AVIF in sequence.

Will I lose quality when converting?

No. AVIF is a lossless format, so the conversion preserves all image data without any quality loss.