🖼️ Image Converter
Convert JPG to AVIF — Free & Private
Convert your JPEG images to AVIF format for superior compression. AVIF delivers smaller files than WebP or JPG with excellent visual quality.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your JPG?
100% in your browser · Up to 50 MB · Best-in-class AVIF compression
How to Convert JPG to AVIF
1
Open the Converter
Click "Convert Now" — opens with JPG → AVIF pre-selected.
2
Upload Your JPG
Drag & drop your JPG file or click Browse. Up to 50 MB.
3
Convert Instantly
Conversion runs entirely in your browser — no server upload.
4
Download AVIF
Your AVIF file downloads automatically, ready to use.
Why Convert JPG to AVIF?
- 🏆 Best-in-class compression — AVIF achieves the smallest file sizes of any widely-supported image format
- 📦 Smaller than WebP — AVIF files are typically ~20% smaller than equivalent WebP images
- 🎨 High visual quality — excellent image fidelity even at aggressive compression levels
- 🔐 100% private — files stay on your device, never uploaded to any server
- 🆓 Free forever — no watermarks, no limits, no credit card
- ⚡ Instant — browser-based conversion, results in seconds
Features
100% Private
Files never leave your browser. Zero server uploads.
Instant
Conversion completes in seconds using Canvas API.
Free
No account, no fee, no watermarks. Ever.
Batch Convert
Convert multiple JPGs to AVIF in one go.
Best Compression
AVIF delivers smaller files than any other format.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
Frequently Asked Questions
Yes — completely free, no limits, no watermarks. Convertlo runs entirely in your browser.
AVIF (AV1 Image File Format) is a next-generation image format based on the AV1 video codec. It delivers superior compression compared to JPEG, PNG, and even WebP, while maintaining excellent visual quality.
Yes, typically AVIF files are about 20% smaller than equivalent WebP images, making it the most efficient widely-supported image format available today.
No. All conversion happens locally in your browser using the HTML5 Canvas API. Your files never leave your device.
AVIF is supported in Chrome, Firefox, and Safari 16+. It covers the vast majority of modern browser users.