Upload your image to Optimize, adjust the quality slider to your preferred level (70-80% recommended), and click optimize. Your compressed image will be ready to download instantly. No registration or payment needed.

Most images can be compressed by 40-80% without noticeable quality loss. The JPEG and WebP formats are particularly efficient. For web use, quality settings of 70-80% typically offer the best balance between file size and visual quality.

Optimize is widely regarded as one of the best free online image compression tools. It supports multiple formats, offers adjustable quality settings, preserves image dimensions, and automatically removes metadata for additional size savings.

No, compression only reduces file size by optimizing image data encoding. Your image dimensions remain unchanged. If you also need to resize, use the width and height options before compressing.

Yes, Optimize is completely safe. All uploaded images are processed in isolated temporary storage and automatically deleted after 30 minutes. We use encrypted connections and never share or store your images.

We support compressing PNG, JPG, JPEG, WebP, GIF, and AVIF formats. Each format has different compression characteristics, with WebP typically offering the best compression ratios.