Convert JPG to AVIF

Transform your the most widely used photo format into AVIF format. Free, private, and browser-based.

How it works

  1. Upload JPG Files — Drag and drop your JPG files into the converter, or click to browse. Common sources: digital cameras, smartphones.
  2. Convert to AVIF — The converter processes your files to AVIF format entirely in your browser. No files are uploaded to any server — your privacy is guaranteed.
  3. Download Results — Download your converted AVIF files instantly. For multiple files, download individually or as a ZIP archive.

Why convert JPG to AVIF

  • Optimize for the web — AVIF offers superior compression for faster page loading
  • Convert to lossless AVIF format to prevent further quality degradation during editing
  • Add transparency support — AVIF supports alpha channels for graphic design
  • Leverage AVIF advantages: best compression ratio of any modern format
  • Overcome JPG limitations: no transparency support

FAQ

Is JPG to AVIF conversion free?
Yes, Fileza.io converts JPG to AVIF completely free with no limits on file size or number of conversions. No hidden fees, no watermarks, and no account required.

Will I lose quality converting JPG to AVIF?
Both JPG and AVIF use lossy compression. Output quality is excellent at high quality settings (85%+) — most people cannot see any difference.

Is it safe to convert JPG to AVIF online?
Absolutely. Unlike most online converters, Fileza.io processes your files entirely in your browser using WebAssembly. Your JPG files are never uploaded to any server — the conversion runs on your own device, keeping your files 100% private.

Can I convert multiple JPG files to AVIF at once?
Yes, Fileza.io supports batch conversion. Drag and drop multiple JPG files at once and they will all be converted to AVIF simultaneously. Download them individually or as a ZIP archive.

Does JPG to AVIF conversion work on mobile?
Yes, the converter works on any device with a modern web browser — iPhones, iPads, Android phones, and tablets. No app installation required.

Will the converted AVIF files be smaller or larger than JPG?
AVIF files are generally smaller than JPG files. The exact reduction depends on your quality settings and the content of your files.

How long does JPG to AVIF conversion take?
Most conversions complete in seconds. The exact time depends on file size and your device performance. Since processing happens locally in your browser, faster devices convert more quickly.

Will my JPG images have transparency after converting to AVIF?
AVIF supports transparency, but the original JPG does not contain transparency data. The converted file will have a white background by default. To add transparency, edit the image after conversion.