Subtitle Edit

the subtitle editor :)

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Auto Translate

Automatically translate subtitles using various translation engines and AI services.

• Menu: Auto translate → Auto translate…
• Shortcut: Configurable

How to Use

1. Open Auto translate → Auto translate…
2. Select a translation engine
3. Select the source and target languages
4. Click Translate to start
5. Review the translations in the grid
6. Click OK to apply

Supported Engines

• Google Translate V1 API — Free Google Translate
• Google Translate V2 API — Google Cloud Translation (requires API key)
• Bing Microsoft Translator — Azure Cognitive Services (requires API key)
• DeepL V2 translate — DeepL translation (requires API key)
• LibreTranslate — Open-source, self-hosted translation
• MyMemory Translate — Free translation memory
• ChatGPT — OpenAI AI translation (requires API key)
• LM Studio (local LLM) — Local LLM translation
• Ollama (local LLM) — Local LLM-based translation
• llama.cpp (local LLM) — Server-managed local LLM translation; Subtitle Edit downloads llama.cpp and a curated TranslateGemma model and runs a local llama-server for you
• Anthropic Claude — AI translation (requires API key)
• Groq — AI translation (requires API key)
• OpenRouter — AI translation (requires API key)
• Lara — AI translation (requires API key)
• Perplexity — AI translation (requires API key)
• Google Gemini — AI translation (requires API key)
• NVIDIA — AI translation (requires API key)
• Mistral AI Translate — AI translation (requires API key)
• DeepSeek — AI translation (requires API key)
• Papago Translate — Naver Papago translation (requires API key)
• thammegowda-nllb-serve — Self-hosted NLLB (No Language Left Behind) server
• winstxnhdw-nllb-api — NLLB (No Language Left Behind) API
• Baidu Translate — Baidu translation (requires App ID and secret)
• CrispASR MADLAD — Local MADLAD-based translation with downloadable models (shown with size and install status); also available in Batch Convert

Engine Configuration

Depending on the selected engine, you may need to provide:

• API Key — Authentication key for cloud services
• API URL — Custom endpoint URL (for self-hosted services)
• Model — Specific model to use (for AI engines)

Translation Review

The translation grid shows the original text alongside the translated text. You can edit individual translations before accepting them.

Keyboard Shortcuts

Key	Action
Escape	Close / Cancel
F1	Open help