Transloaded

Transloaded is a native macOS translator for text files, images, and PDFs. Open any text-based file or scan a document with Continuity Camera, and get seamless side-by-side translations in up to 18 languages — all powered by Apple's on-device Translation framework.
  
Everything runs locally on your Mac. No cloud services, no API keys, no data ever leaves your machine.

FEATURES

  - Side-by-side translation panels — add multiple panels to translate into different languages at once
  - Bilingual document export
  - File and directory browser — open individual files or entire folder trees
  - PDF and image translation — extract text with macOS native recognition and translate it
  - Creative editor — refine your documents page by page: edit extracted text, clean up messy scans with one tap, add files, photos, scanned pages, or new text, and reorder everything
  - Transform with Apple Intelligence — summarize, turn into bullet points, proofread, or anonymize sensitive information, right alongside your translation*
  - Scrapbook — a quick-entry pad for translating text on the fly
  - Auto language detection — source language is detected automatically, or set it manually
  - Up to 18 languages — including Chinese (Simplified & Traditional), Dutch, English, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Thai, Turkish, Ukrainian, Vietnamese
  - Save translations — export with customizable naming patterns
  - Fully offline** after a one-time language pack download

*Transform features require a Mac with Apple Intelligence
**Offline translation accuracy is lower than online services