Free PNG to AVIF Converter – Smaller Files, Same Look

PNG to AVIF Converter

Heavy images slow every page you build. Our converter changes them into a modern image format with excellent compression efficiency, cutting load times and bandwidth while keeping every image crisp. The result is faster pages that feel quick on desktop and mobile alike, perfect for web use.
Pick your screenshots, logos or icons from your computer, then download the result in one click. Files are processed locally and never uploaded, with no registration and no limits getting in your way.

PNG to AVIF Converter – illustration showing PNG images being converted to AVIF format for smaller file sizes, better quality, and modern image optimization.
PNG to AVIF Converter
Drop PNG images hereor click to browse your device · PNG files only
Lower values generally create smaller files. Quality applies when your browser supports AVIF encoding.
Converted files use the .avif extension. Transparent areas can remain transparent in AVIF.
Images are processed locally in your browser and are not uploaded to a conversion server.

Your images

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AVIF encoding support varies by browser. If conversion is unsupported, try an updated browser. Keep your original PNG files as a source copy.

PNG vs AVIF: Quick Comparison

See how the two formats differ on size, quality, transparency and support before you convert.

Comparison of PNG and AVIF image formats
Feature PNG AVIF
Full namePortable Network GraphicsAV1 Image File Format
DeveloperPNG Development Group / W3CAlliance for Open Media
Release dateOctober 1, 1996February 8, 2019
Based onPrediction filter + DEFLATE (two-stage compression)AV1 video codec in a HEIF container
Compression typeLosslessLossy and lossless
File sizeLarger, especially for photosTypically 50-70% smaller than JPEG and 30-50% smaller than WebP
TransparencyYes (alpha channel)Yes (alpha channel)
Color supportGrayscale, true color and indexed color; RGB only (no CMYK)Wide color gamut with HDR up to 12-bit
HDR supportNoYes
AnimationNot covered hereYes
Image qualityEvery pixel preserved exactlyNear-identical visual quality at much smaller sizes
Browser supportUniversalChrome, Firefox, Edge, Opera, Safari 16+
LicensingPatent-freeRoyalty-free
Best forLogos, icons, screenshots, UI elements, text-heavy graphicsWeb images, photos, complex gradients, mobile and fast-loading pages
Main drawbackHeavy files that slow load timesNewer format, so older software may not open it

Takeaway: Use PNG for editing and for graphics where every pixel must stay untouched. Use AVIF for published web images where smaller files and faster pages matter.

What is PNG?

PNG is one of the most trusted image types on the internet. It keeps every pixel exactly as designed, which suits artwork that needs high detail and smooth complex gradients.

The catch is weight. Because so much data is stored, file size climbs fast, hurting load times and bandwidth on busy sites. That is why many teams now switch to a modern image format like AVIF for the web.

What is AVIF?

AVIF is a cutting-edge format built for speed. It squeezes images into smaller files while keeping near-identical visual quality, so pages open quickly on any device.

It handles photographic content, detailed graphics, UI elements and alpha channels with ease. Many creators choose it for best compression, reduced file sizes and an efficient format that keeps sites light without extra effort.

When to Use PNG and When to Use AVIF

PNG, created by the PNG Development Group, is best for working files you will edit again, where every pixel and sharp edges must stay untouched. It supports RGB only, not CMYK, so it suits screens rather than print, and its files are often larger than JPG.

Choose AVIF for published web images where speed matters. It delivers smaller files, faster pages and lower bandwidth costs, while still supporting alpha channels and wide color gamut for rich visuals on mobile and desktop.

Why Use Our PNG to AVIF Converter?

Easy to Use

Drag and drop images, or select file from your computer, Dropbox or Google Drive. You can also paste a URL, then press the convert button. Basic conversion is ready in seconds, and you can grab a single AVIF or a zip when finished.

Best Quality

Expect sharp quality and near-identical visual quality, with detailed images, text-heavy graphics and clear backgrounds staying crisp. Alpha channels are retained. Pick lossless quality when every detail counts, or lossy output for the lightest files.

Free & Secure

Using the tool costs nothing, and your files stay on your device from start to finish. There is no installation, no software to maintain, no watermarks and no monthly limits.

Fast and Lightweight

The lighter output has a small size, often 50% smaller, that improves load times and saves bandwidth for every visitor. People on any connection receive a suitable format, aiming for highest quality at every size.

How to Convert PNG to AVIF

Using our PNG to AVIF converter takes three simple steps. Add your image, then choose AVIF as the target format. Decide between lossless compression for full detail and lossy compression for lighter results.

Everything runs browser-side, so the finished file is ready in moments. Need to process multiple files? Use batch processing to handle the whole set and keep every image ready for the web.

Batch Convert PNG to AVIF

Have a whole folder to process? Add many images at once and the tool handles batch processing right in your browser, keeping transparency and metadata intact. It is ideal for sites with thousands of images to optimize.

A four-step batch flow keeps larger jobs organized and ends with one tidy archive. Adjust settings for faster encoding when time matters, or aim for best compression when size matters most, and keep your efficiency high.

Advanced Features Beyond Conversion

AI-powered Transformations

Go beyond format changes with smart tools that reshape scenes, remove distractions and refresh older images. Add real-time filtering, 3D animations or interactive product displays, plus image enhancement, image processing and automatic optimization, to prepare visual assets that look polished on any device.

Image Enhancement

Restore high detail to dated artwork with tools such as Generative Fill, Generative Replace and Generative Object Removal. Your visual quality stays strong, and photographic content remains light enough for fast load times.

Performance Optimization

Speed matters for visitors and search visibility. Lighter files mean faster pages, reduced file sizes and lower bandwidth costs, with files often 50-70% smaller than JPEG and 30-50% smaller than WebP.

Combine smart image compression and web compression with resize images and required dimensions to balance quality-to-size ratio. Strong compression efficiency keeps web graphics quick on mobile and desktop alike.

Workflow Automation

Save hours by letting repeatable steps run on their own. With automatic conversion, batch processing and AI-powered helpers, teams can convert web images and speed up content creation. Jobs can also run programmatically through a free API or URL-based API as libraries grow.

About Formats

Portable Network Graphics arrived on October 1, 1996 as a patent-free GIF replacement backed by the W3C. It is lossless and enjoys universal support, making it the default lossless web format. It combines a prediction filter with DEFLATE in two-stage compression, and handles indexed color, grayscale, 24-bit color, true color and 8-bit alpha, with gamma, ICC profiles and metadata.

Its newer rival, the AV1 Image File Format, launched on February 8, 2019. Built on the AV1 video codec inside a HEIF container, it is royalty-free, avoids HEVC licensing issues and supports HDR up to 12-bit. It enjoys browser support from Chrome, Firefox, Edge, Opera and Safari 16+, rendered natively.

FAQs

Frequently Asked Questions

Why convert PNG to AVIF?

Your files end up smaller than PNG, giving you faster pages with little visible difference. It also cuts bandwidth and improves load times.

Is it free?

Yes. It is ad-free, with no credit card, no sign up, no daily limits and no watermarks required.

Are my files secure?

Yes. Files stay on your device, with no software to install and nothing for a server to keep.

Are there any limitations?

Everyday use is free and secure, with no limit on how often you convert. Very large files may need longer processing.

Do I need to install software?

No. The tool runs online, so there are no plugins to add and nothing to set up on your computer.

What is the maximum file size?

Limits depend on the setup, but typical PNGs process easily. Very high-resolution files may take more time, so resize images first if you want results sooner.

Can I convert multiple files at once?

Yes. Add several images, set AVIF output once, adjust settings per file if needed, then batch convert them together.

Does AVIF support transparency?

Yes. Soft edges and see-through areas carry over, so logos and icons keep their clean backgrounds after the switch.

Which browsers support AVIF?

Modern browsers display the format reliably, so browser support is strong on desktop and mobile.

How does AVIF compare to WebP?

It usually produces smaller files at matching visual fidelity, often staying smaller than JPEG, especially with photos and smooth gradients.

Is AVIF lossless or lossy?

Both. It can preserve image quality for high detail artwork or trade a little detail for reduced file sizes, often with no quality loss you can notice.