SquashPix Pro — Bulk Image Compressor & WebP Converter (Offline Standalone Edition)
100% Private Offline Bulk Image Optimization & WebP Conversion
Stop paying monthly subscriptions for TinyPNG or uploading confidential client mockups, unreleased product designs, and photos to third-party cloud servers. SquashPix Pro runs 100% inside your browser's local RAM. Your files never leave your computer.
80%+ File Size Reduction
Smart perceptual compression strips unnecessary metadata while preserving retina-grade visual fidelity across high-DPI and 4K displays.
Zero Cloud Server Uploads
Powered by HTML5 Canvas & OffscreenCanvas. Disconnect your internet connection and compress hundreds of images at full hardware CPU speeds.
Modern WebP Conversion
Instantly convert legacy JPG and PNG images into Google-recommended WebP format with full alpha transparency support to maximize Core Web Vitals.
1-Click JSZip Batch Export
Process 10, 50, or 200 images in one batch and download all optimized assets packaged cleanly in a single ZIP file with zero wait time.
Want to Test It Online First?
The free online version is permanently hosted on zahan.pro with zero registration required.
Launch Free Live Tool on zahan.pro/compress
