TinyOwl is a native macOS app for compressing and uploading images without ever sending them to a third-party server.
Key features: • Fully local compression — your images never leave your Mac • Three-step workflow: Resize → Compress → Upload • Direct upload to Cloudflare R2, AWS S3, Alibaba OSS, Tencent COS and any S3-compatible storage (MinIO) • Copy a public URL as Markdown right after uploading — paste-ready for blogs and docs • Batch support for PNG, JPEG, WebP, BMP, TIFF and AVIF • One-time purchase of $9 with a 7-day free trial — no subscription, no account required
