Free PNG to AVIF Converter

Convert your PNG images to AVIF format and reduce file size by up to 50% while maintaining transparency and quality

PNG to AVIF Converter

Convert your PNG images to the more efficient AVIF format while preserving transparency and quality. Reduce file sizes by up to 50% compared to PNG.

Drag and drop your JPG images here

Supported formats: .png · Max file size: 10MB

Why Convert PNG to AVIF?

Superior Compression

AVIF files are up to 50% smaller than PNG images while maintaining similar visual quality and transparency.

Lossless Transparency

AVIF preserves alpha transparency just like PNG, making it perfect for logos, icons, and UI elements.

Better Quality

AVIF offers superior image quality at the same file size compared to PNG, especially for complex images.

Key Features of AVIF vs PNG

Feature	PNG	AVIF	Advantage
Compression	Lossless only	Lossless & Lossy	AVIF offers more flexibility with both options
File Size	Larger	50-70% smaller	AVIF significantly reduces bandwidth usage
Transparency	Yes	Yes	Both support alpha transparency
Animation	No	Yes	AVIF supports animation like GIF but more efficient
Color Depth	8-bit/16-bit	8/10/12-bit	AVIF supports HDR with higher bit depths
Browser Support	Universal	Growing	PNG has better compatibility but AVIF is rapidly gaining support

When to Choose AVIF over PNG

AVIF is ideal when you need to maintain transparency while significantly reducing file size. It's perfect for web graphics, UI elements, product images with transparent backgrounds, and any scenario where both image quality and performance matter.

PNG to AVIF Comparison

Visual Quality Comparison

AVIF maintains excellent visual quality while significantly reducing file size compared to PNG. Below are examples showing the difference between PNG and AVIF formats with transparency.

PNG Format

Lossless compression preserves all image data
Full alpha channel transparency support
Universal browser and application support
Larger file sizes, especially for complex images

AVIF Format

Significantly smaller file sizes (50-80% reduction)
Maintains transparency with better compression
Both lossless and lossy compression options
Not yet supported in all browsers (fallback needed)

File Size Comparison

File Size Reduction

Up to 67% smaller

1.2 MB

Average PNG File

0.4 MB

Average AVIF File

Understanding PNG to AVIF Conversion

What is AVIF?

AVIF (AV1 Image File Format) is a modern image format based on the AV1 video codec. Developed by the Alliance for Open Media, AVIF offers significant advantages over traditional formats like PNG:

Superior compression efficiency (smaller file sizes)
Support for both lossless and lossy compression
High dynamic range (HDR) and wide color gamut support
Alpha transparency channel for PNG-like transparency
Animation capabilities similar to GIF but more efficient

PNG vs AVIF: Technical Comparison

PNG Format

Lossless compression - No quality loss but larger files
8-bit or 16-bit color depth per channel
Alpha transparency support
Universal browser support
No animation capabilities

AVIF Format

Lossy and lossless compression options
8/10/12-bit color depth with HDR support
Alpha transparency with better compression
Growing browser support (Chrome, Firefox, etc.)
Animation support with efficient encoding

When to Convert PNG to AVIF

Ideal Use Cases

Web graphics and UI elements with transparency
E-commerce product images with transparent backgrounds
Logos, icons, and brand assets
Performance-critical websites and applications
Progressive web apps (PWAs) and mobile-first sites

Considerations

Browser compatibility (provide PNG fallbacks)
Encoding time can be longer than PNG
Editing tools support is still growing
May require server configuration for proper MIME types
Older devices may have slower decoding performance

PNG to AVIF: Detailed Benefits Analysis

Performance Improvements

Converting PNG to AVIF can significantly improve website performance metrics, including:

Faster page load times (improved LCP - Largest Contentful Paint)
Reduced bandwidth consumption by up to 50-70%
Better Core Web Vitals scores, improving SEO rankings
Lower server storage requirements for image assets

Technical Advantages

AVIF offers several technical advantages over PNG for web graphics:

More efficient alpha transparency encoding
Support for both lossless and lossy compression modes
Better color reproduction with HDR and wide color gamut
Animation support without requiring separate formats

PNG to AVIF: Real-World Impact

50-70%

Smaller file sizes compared to PNG

30-40%

Faster page load times

100%

Transparency preservation

Case Study: E-commerce Website

An e-commerce website with 500+ product images converted their PNG product images with transparent backgrounds to AVIF format. The results were impressive:

Total image weight reduced from 15MB to 4.8MB
Page load time improved by 35%
Mobile conversion rate increased by 12%
Bounce rate decreased by 8%
Google PageSpeed score improved from 72 to 91

Ideal PNG to AVIF Conversion Scenarios

UI Elements & Icons

Interface elements with transparency benefit greatly from AVIF's efficient alpha channel encoding, resulting in much smaller file sizes without quality loss.

Product Images

E-commerce product images with transparent backgrounds can be converted to AVIF to significantly reduce page load times and improve user experience.

Logos & Branding

Company logos and branding elements with transparency can maintain their quality while taking up much less space as AVIF files.

Infographics & Charts

Data visualizations and infographics with text and transparent elements can be much more efficiently encoded with AVIF.

Pro Tip: Optimizing PNG to AVIF Conversion

For the best results when converting PNG to AVIF, use lossless mode for graphics with text, logos, or sharp edges. For photographic content with transparency, a high-quality lossy setting (80-90) often provides the best balance between file size and visual quality.

How to Convert PNG to AVIF: Step-by-Step Guide

Using Our Online PNG to AVIF Converter

Upload Your PNG Files

Click the "Browse Files" button or drag and drop your PNG images into the upload area. You can select multiple files at once to batch convert them. Our converter supports PNG files up to 10MB each.

Adjust Conversion Settings

Configure the AVIF conversion settings to suit your needs. For PNG images with transparency, you might want to use lossless mode to preserve the alpha channel perfectly. For other PNG images, a quality setting of 70-80 often provides the best balance between file size and visual quality.

Convert and Download

Click the "Convert to AVIF" button to start the conversion process. Once complete, you can preview the results and compare the file sizes. Download individual files or get all converted images in a single ZIP archive.

Command Line Conversion (Advanced)

For developers and advanced users, you can convert PNG to AVIF using command-line tools:

# Using libavif (cavif)
cavif -i input.png -o output.avif --lossless

# Using ImageMagick
magick convert input.png -quality 80 output.avif

These tools need to be installed on your system. For libavif, you can install it via package managers like apt, brew, or compile from source. ImageMagick is widely available for most operating systems.

Programmatic Conversion

For web developers, you can convert PNG to AVIF programmatically:

// JavaScript with Sharp library
const sharp = require('sharp');

sharp('input.png')
  .avif({ quality: 80, lossless: true })
  .toFile('output.avif')
  .then(() => console.log('Conversion complete'))
  .catch(err => console.error(err));

The Sharp library provides excellent performance for Node.js applications. Install it with npm: npm install sharp

Best Practices for PNG to AVIF Conversion

Optimal Settings for Different PNG Types

PNG-8 Images

AVIF Quality: 80-90
Lossless: Optional
Speed: 4-6
Rationale: Good balance between quality and file size

PNG-24 Images

AVIF Quality: 70-80
Lossless: No
Speed: 4-6
Rationale: Maximizes compression benefits

PNG with Transparency

AVIF Quality: 80-90
Lossless: Yes (for critical UI elements)
Speed: 4-6
Rationale: Preserves transparency quality

Implementation Strategy

When implementing PNG to AVIF conversion on your website:

Use the HTML picture element with appropriate fallbacks
Keep your PNG files as fallbacks for browsers without AVIF support
Consider implementing server-side content negotiation
Automate conversion in your build or image processing pipeline

Browser Compatibility

AVIF is supported in:

Chrome (version 85+)
Firefox (version 93+)
Opera (version 71+)
Android Chrome (version 85+)
Not yet supported in Safari (as of 2023)

HTML Implementation Example

<picture>
  <source srcset="image.avif" type="image/avif">
  <source srcset="image.webp" type="image/webp">
  <img src="image.png" alt="Description" width="800" height="600">
</picture>

PNG to AVIF: Industry Use Cases

E-commerce

E-commerce websites can significantly benefit from converting PNG product images to AVIF:

Product images with transparent backgrounds maintain quality while reducing file size by 50-70%
Faster page load times lead to higher conversion rates and lower bounce rates
Improved Core Web Vitals scores can boost SEO rankings
Reduced bandwidth costs for high-traffic sites

Case Study: An online fashion retailer converted 10,000+ PNG product images to AVIF and saw a 35% improvement in page load speed and a 12% increase in mobile conversions.

Web Applications

Web applications with rich user interfaces can enhance performance by converting PNG assets to AVIF:

UI elements, icons, and graphics load faster, improving user experience
Reduced initial load time for Single Page Applications (SPAs)
Better performance on mobile devices with limited bandwidth
Smoother animations and transitions with smaller image assets

Case Study: A SaaS dashboard application reduced its initial load time by 40% after converting all PNG UI assets to AVIF, resulting in improved user retention.

Mobile Applications

Mobile apps and Progressive Web Apps (PWAs) can leverage PNG to AVIF conversion for:

Reduced app size for faster downloads and updates
Lower data usage for users on metered connections
Improved offline functionality with smaller cached images
Better performance on low-end devices

Case Study: A travel app reduced its download size by 30% after converting PNG assets to AVIF, leading to a 15% increase in app installs.

Media & Publishing

Media and publishing websites can optimize content delivery by converting PNG to AVIF:

Faster loading infographics and data visualizations
Reduced bandwidth costs for image-heavy content
Better user experience with faster article loading
Improved ad viewability with faster page rendering

Case Study: A news website converted all PNG infographics to AVIF and saw a 25% reduction in page load time and a 20% increase in pages per session.

Implementation Examples

E-commerce Product Gallery

For an e-commerce product gallery with transparent PNG images:

<!-- HTML Implementation -->
<picture>
  <source srcset="product-image.avif" type="image/avif">
  <source srcset="product-image.webp" type="image/webp">
  <img src="product-image.png" alt="Product Name" width="600" height="600" loading="lazy">
</picture>

<!-- JavaScript Dynamic Loading -->
function loadProductImages() {
  const images = document.querySelectorAll('.product-image');
  images.forEach(img => {
    const avifSrc = img.dataset.avifSrc;
    const pngSrc = img.dataset.pngSrc;
    
    if (supportsAvif) {
      img.src = avifSrc;
    } else {
      img.src = pngSrc;
    }
  });
}

Server-Side Content Negotiation

Using server-side content negotiation to serve AVIF or PNG based on browser support:

// Node.js Express Example
app.get('/images/:imageName', (req, res) => {
  const acceptHeader = req.headers.accept || '';
  const imagePath = path.join(__dirname, 'images', req.params.imageName);
  
  if (acceptHeader.includes('image/avif')) {
    // Serve AVIF version if supported
    res.sendFile(imagePath + '.avif');
  } else {
    // Fall back to PNG
    res.sendFile(imagePath + '.png');
  }
});

// Apache .htaccess Configuration
<IfModule mod_headers.c>
  <IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_ACCEPT} image/avif
    RewriteRule ^(.+)\.png$ $1.avif [T=image/avif,L]
  </IfModule>
</IfModule>

Pro Tip: Batch Conversion

For large-scale PNG to AVIF conversion, consider using batch processing tools or build scripts. Tools like Sharp for Node.js or FFmpeg can be integrated into your CI/CD pipeline to automatically convert PNG images to AVIF during the build process.

Frequently Asked Questions About PNG to AVIF Conversion

What is the difference between PNG and AVIF formats?

PNG (Portable Network Graphics) is a lossless image format that supports transparency and is widely used for graphics, logos, and images with text. AVIF (AV1 Image File Format) is a newer format based on the AV1 video codec that offers superior compression while maintaining high quality. AVIF supports both lossless and lossy compression, transparency, HDR, and wide color gamut. The main advantage of AVIF over PNG is significantly smaller file sizes (up to 50-70% smaller) while maintaining similar visual quality and transparency support.

Does AVIF support transparency like PNG?

Yes, AVIF fully supports alpha transparency just like PNG. In fact, AVIF can often encode transparent areas more efficiently than PNG, resulting in smaller file sizes for images with transparency. This makes AVIF an excellent choice for logos, icons, product images with transparent backgrounds, and UI elements that require transparency.

What are the main benefits of converting PNG to AVIF?

Converting PNG to AVIF offers several significant benefits:

Dramatically smaller file sizes (50-70% reduction compared to PNG)
Faster website loading times and improved Core Web Vitals
Reduced bandwidth usage and lower hosting costs
Better mobile experience, especially on slower connections
Maintained transparency support for logos and UI elements
Option for both lossless and lossy compression
Support for HDR and wide color gamut for richer images

What browsers support AVIF images?

As of 2023, AVIF is supported in:

Google Chrome (version 85+)
Firefox (version 93+)
Opera (version 71+)
Microsoft Edge (version 91+)
Android Chrome (version 85+)

Safari does not yet support AVIF natively. For browsers without AVIF support, it's recommended to provide fallback formats using the HTML picture element or content negotiation.

Is there any quality loss when converting PNG to AVIF?

When using AVIF's lossless mode, there is no quality loss compared to the original PNG. When using lossy compression, there can be some quality reduction, but AVIF is very efficient at preserving visual quality even at high compression rates. For most web use cases, the quality difference is imperceptible to the human eye, while the file size savings are substantial. You can adjust the quality settings during conversion to find the optimal balance between file size and visual quality for your specific needs.

How do I implement AVIF images on my website?

There are several ways to implement AVIF images on your website:

Using the picture element:

<picture>
  <source srcset="image.avif" type="image/avif">
  <source srcset="image.webp" type="image/webp">
  <img src="image.png" alt="Description">
</picture>

Using content negotiation: Configure your server to serve AVIF images to supporting browsers based on the Accept header.
Using JavaScript: Detect AVIF support and dynamically load the appropriate image format.

Can I convert PNG to AVIF in batch?

Yes, there are several tools that allow batch conversion of PNG to AVIF:

Command-line tools: cavif, avifenc, or ImageMagick
Node.js: Sharp library
Online converters: Our converter and other web-based tools
Build tools: Webpack or Gulp plugins for automated conversion

For large websites, integrating AVIF conversion into your build process or content management system is recommended.

What are the optimal settings for converting PNG to AVIF?

The optimal settings depend on your specific use case:

For logos, icons, and UI elements: Lossless mode or high quality (80-90) with alpha enabled
For product images: Quality 70-80 with alpha enabled if transparency is needed
For graphics and illustrations: Quality 70-80, or lossless if detail preservation is critical
For screenshots: Quality 60-70 is usually sufficient

It's always a good idea to experiment with different settings to find the optimal balance between file size and visual quality for your specific images.

Are there any downsides to using AVIF instead of PNG?

While AVIF offers many advantages, there are a few considerations:

Browser compatibility: Not all browsers support AVIF yet, so fallbacks are necessary
Encoding time: AVIF encoding can be slower than PNG, though this is typically only relevant during the build process
Decoding performance: On older devices, AVIF decoding might be more CPU-intensive
Editing support: Fewer image editing tools support AVIF compared to PNG

For most web use cases, the benefits of AVIF significantly outweigh these considerations, especially when proper fallbacks are implemented.