Modufile's Image Compress tool reduces image file sizes by re-encoding them with adjustable quality settings. It uses ImageMagick compiled to WebAssembly, running entirely in your browser. You can control the compression level and preview the before-and-after comparison to find the right balance between file size and visual quality. Typical reductions are 40–80% without noticeable quality loss. This is ideal for optimizing images for websites, email attachments, or storage — all without uploading your photos to any server.