Polyglot
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What is Polyglot?
Polyglot is a local-first macOS app for creating, translating, editing, and exporting subtitles, transcribing recordings to text, and enhancing/compressing video. All AI processing runs on the user's Apple Silicon Mac, targeting creators who want privacy and offline workflows.
Polyglot pricing
Pricing model: Freemium
7-day unlimited free trial; Pro is a one-time €29.99. Subtitle conversion, timing adjustments, and exports are always free.
Polyglot pros
- Local on-device AI processing keeps files private and works offline
- All-in-one workflow: subtitle generation, translation, editing, video enhancement, and compression
- Supports SRT, VTT, TXT, and MP4 outputs including bilingual subtitles
- 7-day unlimited trial with no account or sign-in required
Polyglot cons
- Only available for Apple Silicon Macs running macOS 14.4 or later
- Requires at least 8 GB RAM and about 2 GB storage for the speech model
- Some AI enhancement models are optional extras and features like AI processing depend on model downloads
Frequently asked questions about Polyglot
What Mac do I need?
An Apple Silicon Mac running macOS 14.4 or later, with at least 8 GB of memory and roughly 2 GB of storage for the speech model.
Do my files get uploaded to the cloud?
No — transcription, translation, and video enhancement all run locally on your Mac, and projects and translations are saved locally.
Can I use Polyglot without an account?
Yes, you can start without an account and get 7 days of unlimited transcription and translation.
What file formats does it support?
It works with SRT, VTT, TXT, and MP4 files.