Supervertaler Workbench

Professional AI-enhanced translation workbench with multi-LLM support (GPT-4, Claude, Gemini, Mistral, Ollama), translation memory, glossary management, and seamless CAT tool integration (memoQ, Trados, CafeTran, Phrase, Déjà Vu).

See the latest release notes for what changed in the most recent build.

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Download

Three ways to install. Pick whichever fits your setup.

Option	Best for	Get it
Pip (any OS, Python 3.10+)	Developers and power users; smallest download; updates with one command.	pip install --upgrade supervertaler then run supervertaler
Windows standalone (.zip)	Windows users who don't want to install Python. Self-contained, ~470 MB.	Download from the latest release → Supervertaler-vX.Y.Z-Windows.zip
macOS standalone (.dmg)	Apple Silicon Macs (M1 / M2 / M3 / M4). Code-signed and Apple-notarised, opens without Gatekeeper warnings.	Download from the latest release → Supervertaler-vX.Y.Z.dmg

Notes

• macOS Intel: there's no Intel standalone build. Run from source after installing system Java 17 (brew install --cask temurin@17).
• Linux: pip or run from source.

Run from source

git clone https://github.com/Supervertaler/Supervertaler-Workbench.git
cd Supervertaler-Workbench
pip install -r requirements.txt
python Supervertaler.py

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Key Features

• Supervertaler Sidekick - System-wide floating AI assistant (Ctrl+Alt+A from any app) with chat, text conversions, snippets, and prompt library actions
• Multi-LLM AI Translation - OpenAI GPT-4/5, Anthropic Claude, Google Gemini, Mistral AI, Local Ollama, OpenRouter (200+ models)
• Translation Memory - Fuzzy matching TM with TMX import/export
• Glossary System - Project/Background glossary highlighting with forbidden term marking
• Superlookup - Unified concordance search across TM, glossaries, MT, and web resources
• CAT Tool Integration - memoQ XLIFF, Trados SDLPPX/SDLRPX, CafeTran, Phrase, Déjà Vu X3
• Voice Commands - Hands-free control with offline voice commands (Vosk); use any dictation tool for running text
• Document Support - DOCX, bilingual DOCX/RTF, PDF, Markdown, plain text + built-in Okapi Framework sidecar for industry-standard file extraction and round-trip export with full formatting preservation

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Documentation

Resource	Description
Online Manual	Quick start, guides, and troubleshooting
Changelog	Complete version history
Keyboard Shortcuts	Shortcut reference
FAQ	Common questions
Similar Apps	CotranslatorAI, TransAIde, TWAS Suite, and other translation tools
Website	Project homepage

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Requirements

• Python 3.10+
• PyQt6
• Windows, macOS, or Linux

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Contributing

• Report bugs
• Request features & ask questions
• Contributing guide

Translations

Supervertaler Workbench has an early-stage i18n system (v1.10.208+). The menu bar, Settings tabs, and key group titles are translatable; dialog bodies and error messages remain in English for now.

Translation files are XLIFF 1.2, so translators can open them in Trados, memoQ, Phrase, OmegaT, or Supervertaler Workbench itself – any CAT tool that handles XLIFF (all of them do).

Locale	Language	Status
en	English	source language
zh_CN	简体中文 — Simplified Chinese	scaffold (sanity-translated samples)
zh_TW	繁體中文 — Traditional Chinese	scaffold (untranslated)
pl	Polski — Polish	scaffold (untranslated)

Want to contribute a translation? See translations/TRANSLATING.md. Workflow: open the locale's .xlf in your normal CAT tool, translate, PR back. No build step on your end.

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About

Supervertaler is maintained by Michael Beijer, a professional translator with 30 years of experience in technical and patent translation.

• Stargazers - See who's starred the project
• Gitstalk - See what I'm up to on GitHub

License: MIT - Free for personal and commercial use.

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Current Version: See CHANGELOG.md for the latest release notes.