Tinyowl icon
Tinyowl icon

Tinyowl

Local image compression for Mac: batch-compress PNG, JPEG, WebP & AVIF and upload straight to R2/S3/OSS/COS. One-time $9, no subscription, everything stays on your Mac.

TinyOwl main window. Drag, paste, or choose images to compress them locally on your Mac — everything stays on your device. Current workflow: Compress only with the Basic preset (overwrite source files).

Cost / License

  • Pay once
  • Proprietary

Platforms

  • Mac
Batch compression results in TinyOwl. 10 files processed locally on your Mac — e.g. 316.5 KB → 24.1 KB (−92.4%). Total: 2.74 MB → 452.3 KB, saving 83.9%, with nothing uploaded to a server.
TinyOwl Settings (General tab): follow the system theme or lock the app to light/dark mode, switch the design theme, choose the display language, and revisit the four ways to get started — main window, menu bar, clipboard, or Finder.
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Compress and upload workflow in TinyOwl. 6 images compressed locally and uploaded straight to Cloudflare R2, with public links generated for each file. Total: 1.37 MB → 339.4 KB (−75.7%). One workflow from compress to upload — no third-party server in between.
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Tinyowl information

  • Developed by

    CN flagViking Zhang

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    One time purchase (perpetual license) that costs $9.

  • Alternatives

    51 alternatives listed

  • Badge

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  • Supported Languages

    • English
    • Chinese
Tinyowl was added to AlternativeTo by Viking-Zhang on and this page was last updated .

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Official Links

What is Tinyowl?

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