PNG to AVIF Batch Converter
Convert PNG images to AVIF for up to 80% file size reduction with superior quality. Supports transparency. Free, browser-based.
- 1
Upload PNG files
Drag and drop PNG images. Transparency is fully preserved in AVIF output.
- 2
Set AVIF quality
Quality 65-75 gives excellent results. AVIF quality scales differently from JPEG — lower numbers still look great.
- 3
Convert via WASM
Our WASM engine handles AVIF's complex encoding locally in your browser.
PNG to AVIF Batch Converter
Convert PNG images to AVIF for up to 80% file size reduction with superior quality. Supports transparency. Free, browser-based.
Free plan: images are optimized locally in your browser — private, fast, no credits.
Suggested limits for this browser load after the page opens.
Want larger batches or more credits? See plans & pricing ·
JPEG, PNG, WebP, GIF, AVIF, TIFF — drop a folder to include nested images.
Why use PNG to AVIF Batch Converter?
Convert PNG images to AVIF for up to 80% file size reduction with superior quality. Supports transparency. Free, browser-based. All processing runs locally in your browser for privacy and speed — nothing is uploaded to our servers.
Free without sign-in
Up to 100 optimizations per day. Batch and file-size suggestions adapt to your device (RAM and CPU) — you can override warnings when optimizing.
Sign in for direct cloud export (Google Drive, Dropbox, OneDrive). Everyone shares the same 100/day device-safe limit.
Explore more workflows on our image tools hub.
How to use PNG to AVIF Batch Converter
- 1
Upload PNG files
Drag and drop PNG images. Transparency is fully preserved in AVIF output.
- 2
Set AVIF quality
Quality 65-75 gives excellent results. AVIF quality scales differently from JPEG — lower numbers still look great.
- 3
Convert via WASM
Our WASM engine handles AVIF's complex encoding locally in your browser.
- 4
Download AVIF files
Download your AVIF files — typically 50-80% smaller than the original PNGs.
Frequently Asked Questions
How do I convert PNG to AVIF online?
Upload your PNG files, set quality, and click Convert. Everything processes locally in your browser — no server upload required.
How much smaller is AVIF than PNG?
AVIF is typically 50-80% smaller than PNG for photographic content and 40-60% smaller for images with transparency, at the same perceptual quality.
Does AVIF support transparency like PNG?
Yes — AVIF fully supports alpha channel transparency and handles it more efficiently than PNG, producing much smaller files.
Is AVIF supported by all browsers in 2026?
AVIF is supported by Chrome, Firefox, Safari (since iOS 16/macOS 13), and Edge — covering roughly 90% of global browser usage. Use WebP as a fallback for the remaining 10%.
Should I use AVIF or WebP for my website?
Use AVIF for hero images and featured content where maximum quality matters. Use WebP as the default for general content and as a fallback for browsers that don't support AVIF.