Resize AVIF Images Online, Free
Resize next-gen AVIF images with the best compression available. 100% in your browser — no uploads required.
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How to Resize an AVIF File
- Drop your AVIF files — Drag and drop or click to select AVIF images from your device.
- Set your target size — Choose exact pixel dimensions, scale by percentage, or set a maximum longest edge.
- Download instantly — Click “Resize” and download your resized images.
Why Resize AVIF Images?
AVIF offers the best compression of any widely supported image format. Resizing your AVIF files helps you:
- Achieve the smallest file sizes — AVIF at the right dimensions produces the smallest possible files for web use, outperforming both JPG and WebP.
- Maximise Core Web Vitals — Smaller images mean faster Largest Contentful Paint (LCP) scores, directly improving SEO.
- Future-proof your assets — AVIF adoption is growing rapidly. Preparing correctly sized AVIF images now ensures your site is ready.
About the AVIF Format
AVIF is based on the AV1 video codec and was standardised in 2019. It supports lossy and lossless compression, transparency, HDR, and wide colour gamut.
- Compression: Lossy and lossless — ~50% smaller than JPEG
- Transparency: Full alpha channel support
- HDR: Supports high dynamic range and wide colour gamut
- Trade-off: Slower encoding than JPEG or WebP
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Frequently Asked Questions
- What is AVIF?
- AVIF (AV1 Image File Format) is a next-generation image format based on the AV1 video codec. It offers significantly better compression than both JPEG and WebP — often 50% smaller than JPEG at the same quality.
- Do all browsers support AVIF?
- AVIF is supported in Chrome 85+, Firefox 93+, and Safari 16.4+. Edge also supports it through Chromium. For older browsers, consider resizing as WebP or JPG as a fallback.
- Can I resize AVIF images without losing quality?
- AVIF supports both lossy and lossless compression. When downscaling with a high quality setting (85%+), the result is visually indistinguishable from the original.
- Is AVIF better than WebP?
- AVIF generally achieves better compression than WebP — about 20% smaller at the same quality. However, AVIF encoding is slower and browser support is slightly less universal. Both are excellent choices for modern web images.