JPG to AVIF Converter
Convert JPG images to AVIF for best-in-class compression
How to convert JPG to AVIF
Upload your JPG image
Click the upload area below or drag and drop your JPG file onto the converter.
Click "Convert to AVIF"
The conversion runs instantly in the cloud at high quality. No software installation required.
Download your AVIF file
Click the Download button to save your converted AVIF image directly to your device.
Drop an image here
JPG, PNG, WebP, AVIF, TIFF, GIF, BMP, HEIC
Max 50 MB
What is JPG to AVIF conversion?
Royalty-free licensing is the reason browsers standardised on AVIF rather than HEIC, and it is worth understanding before you commit an asset pipeline to it. AV1 is licensed openly through the Alliance for Open Media; HEVC, the codec HEIC depends on, sits behind patent pools.
On compression, AVIF's non-square transforms, multi-reference prediction, and film-grain synthesis — all described in the AV1 specification — deliver 40-60% smaller files than JPG at equivalent perceptual quality, against a DCT design that has been in the field since 1992. The quality gap shows up precisely where JPG has always struggled: smooth sky gradients in landscape work, subtle skin texture in portraits, fine fabric weave in product shots. The familiar 8x8 block boundaries and gradient banding are simply absent. AVIF also degrades gracefully at low bitrates instead of collapsing into hard blocking artifacts, which makes it the safer format for aggressive optimisation tiers. Workflow-wise, keep the original JPGs or RAW files as masters and generate AVIF copies for delivery only. Encoding through libaom or libavif costs 3-10 seconds per image at typical effort levels, but that is a build step you pay for once. For static sites and CMS uploads, converting locally gives you deterministic file sizes and sidesteps ongoing per-transformation fees from an image CDN.
Why convert JPG to AVIF?
- AVIF is 40-60% smaller than JPG at comparable visual quality
- Fewer bytes means faster page loads and lower bandwidth costs
- Supported in Chrome, Firefox, and Safari 16+
- Better detail preservation in gradients and complex textures
What is the difference between JPG and AVIF?
The table below compares JPG vs AVIF across key format characteristics.
| Feature | JPG | AVIF |
|---|---|---|
| File extension | .jpg | .avif |
| Compression type | Lossy | Lossy and lossless |
| Transparency support | No | Yes (alpha) |
| Animation support | No | Yes |
| File size | Moderate | Smallest |
| Best use case | Photographs | High-quality web |
| Browser support | Universal | Chrome 85+, Safari 16.4+ |
Use JPG for broad compatibility; choose AVIF for the best compression and fastest page loads.
Frequently asked questions
Will the AVIF look better than the original JPG?
At the same file size, AVIF typically looks better. At the same quality setting, AVIF is much smaller. You can achieve visually equivalent images at roughly half the file size.
How long does AVIF conversion take?
AVIF encoding is computationally intensive. Conversion typically takes 2-10 seconds depending on image size. This is a one-time cost — the resulting file serves faster on every subsequent load. If speed is a priority, JPG to WebP is a faster alternative that still delivers significant size savings.
Will converting my product photos to AVIF affect colour accuracy?
No. AVIF supports the same sRGB colour space as JPG, so colours remain accurate. AVIF also supports wide colour gamut (P3) and HDR, which JPG cannot represent. At high quality settings the colour fidelity is indistinguishable from the source.
Is AVIF good for e-commerce product photography?
Excellent. Product photos are exactly where AVIF shines. The format preserves fine texture detail in fabric, leather, and metallic surfaces while delivering dramatically smaller files. For an e-commerce site with hundreds of product images, switching from JPG to AVIF can reduce total image bandwidth by 50% or more.
Can social media platforms accept AVIF uploads?
Most social media platforms (Instagram, Facebook, Twitter/X, LinkedIn) do not accept AVIF uploads as of 2026. These platforms re-encode uploaded images into their own formats. For social sharing, continue using JPG. Reserve AVIF for your own website where you control the serving infrastructure.
How do I implement AVIF with a JPG fallback on my website?
Use the HTML picture element: place an AVIF source first, then a JPG fallback img tag. The browser picks the first format it supports. Alternatively, use server-side content negotiation via your CDN or web server to serve AVIF to browsers that send Accept: image/avif in their request headers.
Why does AVIF sometimes have a soft, slightly waxy look on faces?
At very aggressive compression settings, AVIF's denoising and prediction can over-smooth fine skin texture, producing a "waxy" appearance. This is rarely visible at high quality. If you see it, raise the quality setting; for portrait photography specifically, AVIF's film-grain synthesis flag preserves perceived texture better than naive smoothing, but most online encoders do not expose it.