Jollycat icon
Jollycat icon

Jollycat

All-in-one file converter for macOS. Convert images, videos, audio, documents, and PDFs across 80+ formats — entirely offline on your Mac. AI-powered upscaling, transcription, OCR, and TTS included. One-time purchase, $9.99.

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Cost / License

  • Pay once
  • Proprietary

Application type

Platforms

  • Mac  Apple Silicon - macOS 12+
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Features

Properties

  1.  Privacy focused
  2.  AI-Powered

Features

  1.  No registration required
  2.  No Tracking
  3.  Works Offline
  4.  Hardware Accelerated
  5.  Dark Mode
  6.  Command line interface
  7.  Ad-free
  8.  Support for 4K
  9.  HEVC
  10.  WebP Convert
  11.  Video Converter
  12.  WEBP Support
  13.  Crop video
  14.  Convert Videos to Animated GIFs
  15.  Video file conversion
  16.  Audio Conversion
  17.  Merge video files
  18.  Image Conversion
  19.  Batch conversion

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Download high-quality videos from various platforms on Windows, macOS, Ubuntu, and Android, supporting playlists, channels, and subtitles.

 
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Jollycat information

Jollycat was added to AlternativeTo by davbarbi on and this page was last updated .
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What is Jollycat?

Jollycat is a native macOS file converter that handles images, videos, audio, documents, and PDFs — all running locally on your Mac with zero cloud uploads. Drop files in, pick a format, and Jollycat routes through 9 bundled open-source engines (FFmpeg, libvips, ImageMagick, Pandoc, qpdf, Poppler, Tesseract, Whisper.cpp, Real-ESRGAN) to find the optimal conversion path across 1,650+ possible routes.

Built with Tauri 2 (Rust) and optimized for Apple Silicon with hardware acceleration (VideoToolbox for video, CoreML/Neural Engine for AI), it supports batch processing, video trimming/cropping/speed control, PDF split/merge/compress, OCR for scanned documents, AI image upscaling (2x/4x via Real-ESRGAN), speech-to-text transcription (Whisper), and text-to-speech (Kokoro TTS).

Jollycat also ships a built-in MCP server, letting AI coding agents (Claude Code, Cursor, Windsurf) call it directly to convert files as part of automated workflows.

One-time purchase ($9.99), 5 Mac activations, lifetime updates. No subscription, no accounts, no telemetry.

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