The avif.tools blog
Practical write-ups on images, writing and everyday online tools.
Latest posts
15 Oct 2026
HEIC or AVIF for Photos: Compatibility Before Compression
Deciding between HEIC and AVIF means weighing compatibility against compression. Here is how to choose for your photos.
15 Oct 2026
How to Convert WebP and JPEG Images to AVIF for Web Performance
Your image library probably looks like most: a folder of JPEGs from older photo shoots, WebP files exported from modern design tools, and a spread of PNGs for logos and UI elements
11 Oct 2026
Converting iPhone Photos From HEIC to AVIF for Web Performance
Your iPhone shoots beautiful photos. It saves them in HEIC format because Apple values storage efficiency on device. But the moment you need those images on a website, HEIC becomes
9 Oct 2026
How JPG to AVIF Conversion Improves Core Web Vitals on Image-Heavy Sites
Your images are probably the heaviest assets on your page. Not your scripts. Not your stylesheets. Your images. And if those images are JPGs, you're leaving measurable performance
28 Sep 2026
AVIF vs JPG: Which Should You Use When Sharing Photos?
AVIF saves bandwidth with smaller files and supports HDR, but JPG is safer for email and forms.