FastCompressor is a powerful cross-platform desktop app that compresses images locally and privately — with no upload required.
⚡ Compress gigabytes in minutes
🖼️ Supports JPG, PNG, WebP
🔐 Privacy-first: all files stay on your device
📂 Batch processing: compress folders or hundreds of images at once
🪄 Resize, set quality, and even watermark — all offline
Available for Windows, macOS, and Linux.