Avify

Convert Images to AVIF

Free Online AVIF Converter - 100% Client-Side & No Uploads

  • Private
  • Fast
  • Offline

Convert your JPG, PNG, or WebP images to AVIF format instantly in your browser. Our AVIF image converter ensures complete privacy by processing all conversions on your device - no image ever leaves your computer.

Why Choose Avify - Offline AVIF Image Converter?

Client-Side Only
Images are never uploaded to a server.

Fast Conversion
Convert high-resolution images to AVIF in seconds.

Privacy-First Design
Your images stay safe and private. No data collection.

Works Offline
Use even without an internet connection after the first load.

Any to AVIF
PNG, JPG, JPEG, WebP - convert to AVIF from popular formats.

Preserves Quality
Enjoy smaller file sizes without compromising on visual fidelity.

How to Convert an Image to AVIF Offline?

  1. Upload Upload or drag-and-drop your image.

  2. Conversion The image is processed on your device.

  3. Download Download your compressed AVIF image.

Frequently Asked Questions

AVIF is a next-generation image format based on the AV1 video codec. It provides high compression rates, better quality at smaller file sizes, and modern image features like HDR, transparency, and color depth.

Our AVIF image converter tool works entirely in your browser. Just drag and drop your image and we'll convert it to AVIF on the spot.

Yes. This web app is a client-side AVIF converter, meaning your image never gets uploaded or sent to any server. Your data stays 100% private.

No. This is a web-based AVIF converter - it runs directly in your browser. No need to download or install anything.

You can convert:

  • JPG to AVIF
  • PNG to AVIF
  • WebP to AVIF
  • JPEG to AVIF
  • BMP to AVIF
  • TIFF to AVIF
  • ICO to AVIF

AVIF offers better compression than JPEG and WebP, saving bandwidth and improving load times. It's ideal for responsive websites, progressive web apps (PWAs), and mobile-friendly pages.

Yes! We have optimized the app to work in a different way(slow and sequential) in phones so that the app doesn't crash even if you upload more images at once. We recommend to use Chrome browser for best results.

Yes! Once the site loads, it can function fully offline thanks to Progressive Web App (PWA) technology.