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 to find the optimal conversion path across 1,650+ possible routes. It also supports AI image upscaling, OCR, speech-to-text and text-to-speech, and others. Jollycat also ships a built-in MCP server, letting AI coding agents convert files on their own.
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 to find the optimal conversion path across 1,650+ possible routes. It also supports AI image upscaling, OCR, speech-to-text and text-to-speech, and others. Jollycat also ships a built-in MCP server, letting AI coding agents convert files on their own.
Ranked #4217 on TrustMRR
No active subscriptions
Davide Barbieri336 followers on 𝕏
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LemonSqueezy API key.Last updated: Sep 17, 2026, 03:43 PM
The only file converter your Mac needs, an all-in-one file converter for macOS that supports 80+ formats and 1,650+ conversion paths running locally.
Provides a seamless and private way to convert various file formats locally on macOS without the need for cloud services.
Audience
macOS users needing file conversion and media editing tools
Pricing
$9.99 one-time for 5 Mac licenses
Domain Rating
jollycat.app
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Tech stack
Frontend
Backend
Additional info
Open source under the hood, no subscriptions, lifetime updates
Screenshot
jollycat.app
"macOS file converter & editor — 78 formats, 1,665+ conversion paths, 9 engines (FFmpeg, Pandoc, Tesseract...), AI upscaling & OCR. Built with Rust + Angular, 100% offline. 90%+ margins, zero server costs. Biggest opportunity: no subscription yet, competitors charging $9-26/mo make $386K-$440K/yr with tiny teams. $2.5B market growing 11%/yr. Add subscriptions, launch Windows version, or bolt on a web tool for SEO. 30-day support included."
Davide Barbieri
Founder of Jollycat
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