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PNG to AVIF Converter

Convert PNG images to modern AVIF format for smaller file sizes

Drag and drop PNG file here, or click to select file

How to Convert PNG to AVIF

1

Upload a PNG file by clicking the upload area or dragging and dropping

2

Click Convert and wait for the automatic conversion processing

3

Download your converted AVIF file

About PNG to AVIF Conversion

What is a PNG file?

PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression. It was created as an improved, non-patented replacement for Graphics Interchange Format (GIF) and is widely used for web graphics, particularly when transparency is needed.

  • PNG History: Developed in 1995 and officially published as a W3C recommendation in 1996, PNG was created as an open, non-patented alternative to GIF. It was specifically designed to bypass the LZW data compression patent held by Unisys, which had complicated the use of GIFs for software developers and web designers.
  • PNG Purpose: PNG was engineered to provide high-quality lossless data compression and full alpha-channel transparency, allowing images to blend seamlessly into any background. Supporting 24-bit RGB and 32-bit RGBA colors, it became the absolute standard for web design assets like detailed logos, sharp UI icons, text-heavy graphics, and complex illustrations.
  • Developed by: PNG Development Group (created as an open alternative to GIF).
  • Release: Version 1.0 was released in October 1996.

What is an AVIF file?

AVIF (AV1 Image File Format) is an open-source, next-generation image format based on the AV1 video codec. It offers superior compression and image quality compared to older formats, significantly reducing file sizes while maintaining excellent visual fidelity.

Why Convert PNG to AVIF?

Converting PNG to AVIF allows you to achieve to drastically smaller file sizes—often 50% lighter—without noticeable loss in quality. It also preserves transparency (alpha channels) just like PNG, making it perfect for speeding up website load times, saving bandwidth, and boosting your SEO performance.

Frequently Asked Questions

How to open AVIF file?

You can open AVIF files directly in modern web browsers like Google Chrome, Mozilla Firefox, Safari, and Microsoft Edge. Major operating systems like Windows 11 and macOS now natively support them natively.

How to create AVIF file?

AVIF files can be created using modern image editing software or by easily converting other formats like PNG directly into AVIF using our free online converter at convertapp.net.

Which format is best: PNG, AVIF, WebP, or HEIC?

The best format depends on your goal. PNG (Portable Network Graphics) remains the undisputed standard for 100% lossless data compression and broad legacy transparency support. However, AVIF (AV1 Image File Format) offers the best overall next-generation compression, easily beating PNG for modern web delivery where low bandwidth and high quality are required. WebP, developed by Google, achieves a similar goal by providing lightweight compression with broader legacy web browser support. HEIC (High-Efficiency Image Container) is highly efficient for storing high-quality photos, but it is deeply tied to the Apple iOS and macOS ecosystems.

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