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PNG to AVIF Converter

Next-gen Runs in browser

Convert PNG to AVIF for next-gen web compression — up to 50% smaller than PNG. Batch support, browser-based, no upload.

Last updated 31 Mar 2026

To convert PNG to AVIF, drop your image into the tool, adjust the quality slider (75% recommended), and click Download. AVIF uses the AV1 codec to achieve up to 50% smaller files than PNG at equivalent visual quality while supporting transparency and wide colour gamuts. All processing runs in your browser; files never leave your device.

75%
Smaller fileHigher quality

Click to upload or drag and drop

PNG up to 50MB

Drop multiple files to convert them all at once
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How to use

  1. 1

    Open the PNG to AVIF converter

    Visit the tool on kordu.tools — no signup or installation required.

  2. 2

    Upload your PNG file

    Click the upload area or drag and drop one or more PNG images. Batch conversion is supported.

  3. 3

    Adjust quality

    Use the quality slider to set the AVIF compression level. 75% gives excellent results for most images.

  4. 4

    Preview and compare

    Check the before/after preview and see how much smaller the AVIF is versus the PNG.

  5. 5

    Download your AVIF

    Click Download to save the AVIF. Batch files all download at once.

Frequently asked questions

What is AVIF format?
AVIF (AV1 Image File Format) is a next-generation image format based on the AV1 video codec. It offers significantly better compression than JPEG, PNG, and WebP, while supporting HDR, wide colour gamuts, and full alpha transparency.
Does AVIF support transparency like PNG?
Yes. AVIF supports full alpha transparency, so transparent areas in your PNG are preserved in the AVIF output. This is a key advantage over JPEG.
Which browsers support AVIF?
Chrome 85+, Firefox 93+, Safari 16.4+, and Edge 121+ support AVIF. That covers over 93% of global browser users. Use a PNG or WebP fallback for the remainder.
Is my file uploaded to a server?
No. All processing happens locally in your browser. Your files never leave your device.
What quality setting should I use?
75% is an excellent default for most web images. For photographs, 65–80% provides optimal compression. For logos and UI elements requiring maximum sharpness, use 85–90%.
Is AVIF better than WebP for PNG files?
AVIF typically achieves 20–30% better compression than WebP at the same quality, and also supports transparency like WebP. AVIF is the better choice when your browser targets support it.
Can I batch convert multiple PNGs to AVIF?
Yes. Drop multiple PNG files and download all AVIFs in a single click.
Will this improve my website's performance?
Yes. Smaller images directly reduce LCP (Largest Contentful Paint) and page weight, improving Core Web Vitals. Google recommends AVIF and WebP as preferred web formats.
Can I use AVIF for icons and logos with transparency?
Yes. AVIF handles transparency perfectly and delivers much smaller files than PNG for the same content.
Can I use this tool on mobile?
Yes. The tool works in any modern mobile browser on iPhone and Android.

Convert PNG images to AVIF — the next-generation web image format based on the

AV1 video codec. AVIF achieves significantly better compression than both PNG

and WebP: typically 50%+ smaller files at equivalent quality. Unlike converting

to JPEG, AVIF supports full alpha transparency, so transparent PNG elements are

preserved in the output.

This makes PNG to AVIF particularly powerful for web developers: you get the

transparency of PNG with dramatically smaller file sizes. Icons, logos, and UI

graphics that previously required large PNG files can be served as compact AVIFs

without losing their transparent backgrounds.

AVIF is supported by Chrome 85+, Firefox 93+, Safari 16.4+, and Edge 121+,

covering over 93% of global users. Batch conversion is fully supported — drop

multiple PNGs at once and download all AVIFs in a single click. Processing runs

entirely client-side; your files never leave your device.

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