Image Optimizer

Image Optimizer is a free online tool that lets you shrink file sizes, convert formats and add SEO tags in seconds. Upload up to 100 images (max 50 MB each) or provide URLs to batch‑process images from a website. Choose compression levels (Recommended, Medium, Ultra), convert to AVIF or WebP, add watermarks, and receive ready‑to‑use HTML tags for better SEO. Premium plans unlock higher limits, larger files and faster bandwidth.