Image Optimizer Pro

What the builder shipped

Image Optimizer Pro is a high-performance, privacy-first web application designed for photographers, designers, and developers who need to process thousands of images locally in their browser. By leveraging multi-threaded Web Workers and native browser APIs, it solves the bottlenecks of traditional tools by enabling batch compression, renaming, cropping, and watermarking without ever uploading files to a server. It is built for users who demand zero-latency processing, absolute data privacy, and

Tech stack

• HTML5
• CSS3
• Vanilla JavaScript (ES6+)
• Web Workers
• OffscreenCanvas
• IndexedDB
• File System Access API
• Service Workers (PWA)
• LocalStorage
• Canvas API
• JSZip (embedded)
• Cache API