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STranslate
STranslate is a translation and OCR tool that provides concurrent translations from multiple services, offline text recognition, and AI-driven content processing.
STranslate is a Windows utility for translation and optical character recognition tasks. It integrates multiple services like OpenAI, Gemini, DeepL, and Google to perform concurrent queries and provide side-by-side translation comparisons. The software includes an offline WeChat OCR engine capable of image translation while maintaining original formatting. A .NET-based plugin architecture allows for extended functionality, including text-to-speech, custom OCR, and other services. Integrated AI assistants support custom prompts for text polishing, content summarization, and grammar correction. It also features a built-in vocabulary book and voice synthesis tools.
STranslate at a glance
- Best for: Student, Writer
- Runs on: Windows
- Pricing: Free
- Released: December 2022
- Category: AI writing tool
- Website: stranslate.zggsong.com
Key features
- Concurrent multi-source translation requests
- Offline WeChat OCR engine integration
- Image translation with layout restoration
- Custom AI prompts for text polishing and summarization
- Microsoft Edge TTS engine for speech synthesis
- Built-in vocabulary book with backup and recovery
- Plugin system based on .NET architecture
Use it for
- Comparing translations from multiple AI services simultaneously
- Extracting text from images without an internet connection
- Polishing and summarizing text using custom AI prompts
- Practicing listening skills with adjustable speech synthesis
- Managing personal vocabulary collections with local backups
Alternatives to STranslate
- RTranslator — Runs AI models locally for offline use and privacy.
- DeepL — Delivers accurate, enterprise-grade translations while preserving original layout and context.
- NextAI Translator — Supports translation, polishing, and summarization across 55 languages.
- LibreTranslate — It is open source, free to download, offline capable, and easy to setup.
- PDFMathTranslate — Translates PDF files while preserving original layouts and math formulas.
- KISS Translator — It integrates local models and diverse API providers in a lightweight tool.
- editGPT — It tracks changes with AI while keeping document formatting intact.
- LanguageTool — Detects grammar, spelling, and style errors across multiple apps and browsers.
- Immersive Translate — Bilingual translation of text, PDFs, and videos using over 20 AI engines.
- LunaTranslator — Extracts text from almost all popular and niche visual novels.
- Translumo — Combines multiple OCR engines with a machine learning model for high precision.
- AiSniff — Runs locally with no server, model calls, or data leaving the browser or CLI.
All STranslate alternatives