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Dinky

Dinky

Free macOS app for compressing images, videos and PDFs

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AI Summary

Dinky is a free, open-source macOS app that compresses images, videos and PDFs locally, without uploading files. The app offers intelligent quality detection, preset management, automatic folder watching and supports numerous formats such as WebP, AVIF, HEIC, MP4 and PDF.

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Pros

  • + Completely free and Open Source (MIT license) without Pro version or hidden costs
  • + All files remain local on your Mac, no cloud uploads or account required
  • + Supports images, videos and PDFs in a single app with Watch Folder automation

Cons

  • Only available for macOS, requires at least macOS 15 Sequoia
  • Gatekeeper warning on first launch requires manual Terminal command

Use Cases

  • Automatic compression of screenshots and Figma exports via Watch Folders
  • Batch optimization of images for web projects with format conversion to WebP or AVIF
  • Reducing screen recording videos for faster uploads and lower storage requirements
  • PDF compression with optional OCR for scanned documents

Who is it for?

For developers, designers and content creators on macOS who regularly want to optimize media files locally and in a privacy-friendly way.

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