PNG to AVIF Converter
Convert your PNG files to AVIF format free, right in your browser — no uploads, no signup, no watermarks. Files never leave your device.
Loading converter...
Quick Answer: How to Convert PNG to AVIF
PNG is Portable Network Graphics — lossless images with full alpha transparency. AVIF is AV1-based image format — the newest mainstream compression champion. Converting between them re-encodes the media with AVIF's compression model, so output quality depends on the settings you pick in the converter. Run it free at practicalwebtools.com/convert/image/png-to-avif: drop in your PNG, adjust settings if you like, and download the AVIF — no signup, no upload, everything stays on your device.
How to Convert PNG to AVIF Online
- 1
Add your PNG file
Drag and drop it into the converter, or click to browse. PNG files up to the size limit are accepted, and nothing is uploaded — processing runs locally in your browser.
- 2
Set AVIF options
Pick your quality: the converter exposes the settings that matter for AVIF. Higher bitrates preserve more of the PNG's detail at larger file sizes.
- 3
Download the AVIF
Conversion runs on your device. When it completes, download the AVIF file — repeat for as many files as you need, free and unlimited.
Key Facts About PNG to AVIF Conversion
- PNG: created 1996 as a patent-free replacement for GIF, lossless DEFLATE — screenshots and graphics compress extremely well.
- AVIF: AOMedia (Google, Netflix, Apple, etc.), 2019, lossy and lossless — roughly 50% smaller than JPEG at equal quality.
- PNG strength: perfect quality — no generational loss on re-save.
- AVIF strength: dramatically smaller than JPEG/WebP.
- PNG limitation to know: photographs balloon to 5–10× JPEG size.
- AVIF limitation to know: encoding is slow (AV1 complexity).
PNG vs AVIF: Format Comparison
What is PNG?
PNG is a lossless image format that supports transparency. It is ideal for graphics, logos, and images that require a transparent background.
- File extension: .png
- Developed by: PNG Development Group
- Best for: Graphics, logos, images with transparency
What is AVIF?
AVIF is a modern image format based on the AV1 video codec. It offers significantly better compression than JPEG and WebP while maintaining high quality.
- File extension: .avif
- Developed by: Alliance for Open Media
- Best for: Next-generation web images, small file sizes
Why Convert PNG to AVIF?
- AVIF is perfect for next-generation web images, small file sizes
- Web browsers load AVIF images faster
- AVIF supports features PNG doesn't (transparency, animation)
- Converting to AVIF reduces file size for web use
- AVIF is required by specific applications or platforms
Frequently Asked Questions
Will converting PNG to AVIF lose quality?
It depends on the formats: PNG is lossless DEFLATE — screenshots and graphics compress extremely well and AVIF is lossy and lossless — roughly 50% smaller than JPEG at equal quality. Any step from a lossless source into AVIF keeps everything; any lossy step re-encodes and discards some data.
Are my files uploaded anywhere during PNG → AVIF conversion?
No. This converter runs on WebAssembly inside your browser — your PNG file is read from disk, processed by your device's CPU, and the AVIF is written back locally. There is no server upload at any point, which also means no size-based throttling or waiting in queue.
What devices and apps play AVIF files?
modern browsers, Android 12+, iOS 16+. Encoding is slow (AV1 complexity) — worth knowing before you standardize on it.
Can I convert several PNG files at once?
Yes — the converter processes a queue of files in one session, each entirely on your device. Batch mode is handy when moving a library into AVIF; just remember each file re-encodes independently, so set your quality once and it applies to all.