SVG vs AVIF
How do SVG and AVIFcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.svg
Full guide →Scalable Vector Graphics
SVG is a vector image format based on XML. Unlike raster formats, SVG images scale to any size without losing quality, making them perfect for logos, icons, and responsive web design.
.avif
Full guide →AV1 Image File Format
AVIF is a next-generation image format based on the AV1 video codec. It offers the best compression ratios available today — significantly better than WebP and JPG — while being royalty-free and open source.
| Specification | SVG | AVIF |
|---|---|---|
| Full name | Scalable Vector Graphics | AV1 Image File Format |
| Extension | .svg | .avif |
| MIME type | image/svg+xml | image/avif |
| Category | Image | Image |
| Developer | W3C | Alliance for Open Media |
| Year introduced | 2001 | 2019 |
| Compression | Lossless | Lossy |
SVG advantages
- Infinitely scalable without quality loss
- Tiny file sizes for simple graphics
- Can be styled with CSS and animated with JavaScript
- Text remains searchable and accessible
SVG limitations
- Not suitable for photographs or complex images
- Can be slow to render with many paths
- Security concerns when accepting user uploads
- Inconsistent rendering across browsers for complex SVGs
AVIF advantages
- Best-in-class compression efficiency
- Royalty-free and open source
- Supports HDR, wide color gamut, and transparency
- Both lossy and lossless modes
AVIF limitations
- Slow encoding speed
- Growing but incomplete browser support
- Limited editing software support
- Relatively new format
Which should you use?
Choose SVG when you need lossless quality, transparency, or sharp graphics. Choose AVIF when file size matters more than pixel-perfect quality — like photos for the web.
Best uses for SVG
Best uses for AVIF
Convert between SVG and AVIF
Need to switch formats? Convert for free with SquishConvert.