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 #5165 on TrustMRR
No active subscriptions
Davide Barbieri336 followers on 𝕏
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LemonSqueezy API key.Last updated: Nov 15, 2026, 03:25 PM
The all-in-one file converter for macOS. Drop images, videos, audio, or documents into Jollycat and it handles the rest.
No browser uploads required, no CLI tools, no headaches.
Audience
macOS users
Pricing
$9.99 one-time
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
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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