AI-powered features that work alongside your CAT tool (memoQ, Trados). 4-Layer Prompt Architecture, specialized modules, and intelligent assistants. Built by translators, for translators and writers.
The ultimate companion tool for translators and writers
Supervertaler began as a simple tool: export your bilingual document from memoQ, manually copy the source column into a text file, let Supervertaler translate it using AI with custom prompts, then paste it back and reimport into memoQ.
It worked, but it was manual. Tedious. Limited.
The new Supervertaler is now the ultimate companion toolβworking seamlessly alongside your CAT tool with specialized features:
Here's what no other translation tool currently offers:
4-Layer AI-Powered Prompt Architecture
Not only can you create, store, and manage translation promptsβSupervertaler includes an AI-powered Prompt Assistant that generates those prompts automatically based on your document. Plus specialized modules like PDF Rescue (AI OCR), TMX Editor, and Universal Lookup.
Imagine this conversation:
That's the future. And it's almost here.
How Supervertaler Achieves Maximum Translation Precision
A unique, layered approach that no other translation tool offers
Always included - The Foundation
Hardcoded infrastructure prompts that always run. Contains critical instructions for:
Optional - Domain Expertise
Domain-specific translation strategies. Add specialized knowledge for different fields:
Optional - Project-Specific Rules
Client-specific or project-specific instructions. Tailor translations to exact requirements:
Optional - Language-Specific Formatting
Language-specific formatting rules and typography guidelines. Perfect your output:
AI-Powered Refinement
This is uniqueβno other tool offers this: Use AI to refine your prompts. Simply describe what you want in natural language, and the Prompt Assistant modifies your prompts accordingly.
The 4-Layer Prompt Architecture works seamlessly with Supervertaler's multi-context system. When you translate, the AI receives:
Every sentence translated with awareness of the entire document
All 4 layers combined into a single, powerful instruction set
Visual context for technical documents (GPT-4 Vision, Claude, Gemini)
Fuzzy matching with your existing translations
Glossary integration for consistency
Document summaries for better context understanding
Most translation tools send simple, static prompts to AI. Supervertaler sends intelligent, layered instructions that adapt to:
π― Result: More accurate, context-aware translations that require less post-editing.
Everything you need for professional translation work
Automatically includes images when translating technical documents. Supports GPT-4 Vision, Claude Vision, and Gemini Vision.
Choose from the best AI models for your translation needs.
Fuzzy matching with TMX import/export. Never translate the same sentence twice.
Revolutionary layered prompt system: System Prompts (always included), Domain Prompts, Project Prompts, Style Guides, plus AI-powered Prompt Assistant. Learn more β v1.1.3-Qt
Grid, List, and Document views for reviewing AI translations. memoQ-style UI.
Import/export bilingual tables from memoQ, CafeTran, and Trados Studio.
Transform badly-formatted PDFs into clean, editable documents with GPT-4 Vision OCR.
Work with DOCX, TXT, TSV, TMX, XLIFF, and Excel formats.
Grid pagination for instant loading. Handle thousands of segments smoothly.
Clean, professional UI with semantic colour coding and intuitive navigation.
Fix encoding issues, mojibake, and text corruption with AI-powered detection and repair. v3.7.7
Professional formatting rules and guidelines for multiple languages. Integrated into the prompt hierarchy. v3.7.7
Professional translation memory editor with database-backed large file support. Inspired by Heartsome TMX Editor 8. v1.1.3-Qt
Extensible plugin system with standalone tools. Run specialised modules independently or embed them in Supervertaler.
Powerful standalone tools that integrate seamlessly into Supervertaler
Transform badly-formatted PDFs into clean, editable documents using GPT-4 Vision OCR. Perfect for rescuing locked PDFs, scanned documents, or files with complex layouts.
Fix encoding issues, mojibake, and text corruption with AI-powered detection and repair. Detect and repair common encoding problems automatically.
Professional translation memory editor with database-backed large file support. Inspired by Heartsome TMX Editor 8. Handles massive TMX files (1GB+) efficiently with SQLite backend.
python modules/tmx_editor_qt.py
β Built-in
Post-translation quality analysis and validation. Automated checks for consistency, terminology compliance, and formatting issues.
We'd love to hear your suggestions! Request new modules or discuss ideas with the community.
π¬ Suggest a ModuleAll modules are built on Supervertaler's extensible plugin system. Each module can:
Choose your edition - Qt (Modern) or Tkinter (Stable & Feature-Rich)
Modern Interface
Professional interface with Grid, List, and Document views. New Home tab with integrated resources. Universal Lookup with global hotkey. Modern theme system.
Run: python Supervertaler_Qt.py
Feature-Complete & Reliable
All features implemented and stable. TMX Editor, AutoFingers, Style Guides, Prompt Library, and more.
Run: python Supervertaler_tkinter.py
No Python needed. Download, extract, and run.
One command installation with easy updates.
pip install supervertalerFull source access for developers.
Everything you need to get started
Get up and running in minutes with step-by-step instructions
Complete guide covering all features and workflows
Answers to frequently asked questions
Complete guide to AI-powered OCR for badly-formatted PDFs
What's new in Qt Edition (v1.1.3+)
Universal data exchange format specification
View source code, report issues, contribute
See Supervertaler in action
πΈ More screenshots coming soon! Want to contribute? Open an issue or send your screenshots.
Honest, transparent information about how your data is handled
Supervertaler runs on YOUR computer. There is no Supervertaler company server. Your documents, translation memory, and glossaries never leave your machine unless you choose to send them to an AI provider for translation.
Reality: When you click "Translate," the text you select is sent to the LLM provider's servers (OpenAI, Anthropic, or Google). This is how AI translation worksβthe AI models run on their infrastructure. Supervertaler does NOT process translations locally.
Important: This means your document content temporarily reaches these providers' systems.
All providers offer data processing agreements (DPAs) and enterprise plans with enhanced privacy.
Recommended approach:
Most enterprise plans explicitly prohibit data use beyond your specific requests.
Supervertaler is fully open source on GitHub. You can audit the code yourself to verify exactly how your data is handled. No hidden data collection, no telemetry, no analyticsβjust the code you can review.
Designed with real translation workflows in mind. No unnecessary complexity, just the features professionals actually need.
No subscriptions, no licences, no hidden costs. Download, use, modify. Your translation work, your control.
Leverage cutting-edge AI models from OpenAI, Anthropic, and Google. Multiple providers for flexibility and reliability.
Works seamlessly with memoQ, CafeTran, and Trados Studio. Import bilingual tables, translate, export back.
Active development with regular updates. New features based on real translator feedback and needs.
4-Layer Prompt Architecture + full document context, translation memory, figures, glossaries, and AI summaries. Multiple context sources for maximum translation precision. See how it works β
Windows Exe (no Python required), pip package for developers, or from source. Choose what works best for your setup in seconds.