TinyOwl.app
Local-first image compression for Apple Silicon Macs. Resize and compress on your machine, then optionally upload only the finished file to your own R2, S3, OSS, COS, or MinIO bucket.
A startup from China that is founded by Viking Zhang.
Local-first image compression for Apple Silicon Macs. Resize and compress on your machine, then optionally upload only the finished file to your own R2, S3, OSS, COS, or MinIO bucket.
A startup from China that is founded by Viking Zhang.
This page is designed to help you find out whether TinyOwl.app is good and if it is the right choice for you.
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
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Local-first compression
Rust-powered local compression engine for fast batch processing. Compress PNG, JPG, JPEG, WebP, BMP, TIFF and AVIF on your Mac — originals never leave your device.
Reusable workflow presets
Save resize, compression level, format, output mode and destination steps as repeatable workflows, then run them from the main window, menu bar, clipboard (⌘V) or Finder right-click.
Selective cloud upload
Compress locally, then upload only the finished files straight to Cloudflare R2, AWS S3, Alibaba OSS, Tencent COS or any S3-compatible storage — with public URLs generated for each file. Built for developers, bloggers and teams who publish images from their own buckets.
TinyOwl combines local-first image compression with cloud upload in a single macOS workflow. Everything processes on your Mac — nothing is uploaded unless a workflow asks for it — while reusable presets (resize, compression, format, output mode, upload destination) run from the main window, menu bar, clipboard (⌘V) or Finder. No other Mac compressor pairs batch compression with direct upload to Cloudflare R2 / AWS S3 / Alibaba OSS / Tencent COS and a one-time $9 price with no subscription.
Compared to online compressors like TinyPNG, TinyOwl is fully local: originals never leave your Mac, with no per-batch limits and no files retained on a server. Compared to free tools like ImageOptim, it adds reusable workflows and direct cloud upload. Compared to paid Mac compressors like Zipic ($19.99 one-time), TinyOwl costs $9 and is the only one with built-in upload to R2, S3, OSS, COS and S3-compatible storage. One license, lifetime updates, no subscription.
Bloggers and technical writers who publish images, often from their own S3 or R2 buckets; developers and teams maintaining product docs or static sites; designers preparing batches of assets; and any Mac user who repeatedly compresses and uploads images as part of a workflow. Local-first privacy and the one-time price are the key selling points for this audience.
TinyOwl was built around a simple frustration: preparing images for a blog post or product docs means repeating the same steps — resize, compress, upload, copy links — over and over. So we turned that repeatable process into a desktop workflow: local-first by default, upload only when you choose, and a one-time license with no subscription. The idea comes from my daily friction of posting images to my blog and websites. I wanted to make something that would solve my pain points and hopefully other people will like it.
A Rust-powered local compression engine (as stated on the official site) inside a native macOS application, running on macOS 12+ with Apple Silicon. Workflows are accessible from the main window, menu bar, clipboard and Finder, and the app is distributed as a native .dmg.
The website was just launched a few days ago. Still waiting to find out.
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Check the traffic stats of TinyOwl.app on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
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