Most file tools upload your files to their servers. Filzy doesn't. Filzy compresses, converts and cleans your files entirely in your browser using WebAssembly. Nothing ever leaves your device. → Compress images & PDFs with near-zero quality loss → Convert formats (HEIC to JPG, PNG to WebP, and more) → Strip EXIF metadata (GPS, device info, timestamps) → Merge, split and flatten PDFs No signup. No file size limits. No ads. Drop your file and go. Free.