ITransBook

Local-First AI Document Translation Tool & Intelligent Assistant
This is a local-first AI client, deeply integrated with LocalAI models while supporting mainstream cloud AI APIs. 100% local data management: all document translations, AI conversation records, and personal settings remain entirely under your device's control. Absolute privacy, zero compromise on features. It supports translation in 103 languages worldwide. Offering one-stop access to multi-model AI conversation, multi-engine translation comparison, hover translation, and batch file translation, it efficiently meets all-scenario demands such as foreign language reading, document translation, content polishing, and Q&A consultation.
Why Choose ITransBook?
A modern translation and AI chat tool, built for efficiency. Deeply integrated with LocalAI models, while supporting API keys from cloud services such as Google, DeepL, OpenAI, DeepSeek, and Claude.

Translate Anywhere, Anytime
Select text in any application and instantly get multiple translation versions without switching windows.
Precise Comparison
Compare multiple translation engines side by side to easily grasp the most authentic expressions.
Professional File Translation
Professional translation for your PDF, Word, and other documents with perfect format preservation.
Complete Data Sovereignty
Your data, your sovereignty. All chat records, translation history, translated documents, and API configurations are stored solely on your local device.

Powerful Features
Multi-Model AI Chat
Chat with multiple AI models side by side, compare responses instantly, and gain comprehensive insights.
Chat with LocalAI, OpenAI, DeepSeek, Claude and more
Compare responses across models in real time
All conversations are auto-saved locally for private, uninterrupted review

Multi-Engine Text Translation
Compare translations from multiple engines side by side. One input, instant results from multiple translation engines.
See translations from Google, DeepL, OpenAI, DeepSeek, Claude, LocalAI and more
Support cross-language and same-language comparison
Accurately grasp semantic differences

Hover Translation
Select text in any program to automatically pop up a translation window displaying results from multiple engines.
Translate as you select, no app switching required
Multi-result comparison display
Support for custom shortcuts

File Translation (for VIP users)
Professional translation for your PDF, Word, and other documents with perfect format preservation. All documents are processed locally without uploads or downloads.
Support for PDF, Word, PPT, Excel and more
Preserve original document format and layout
Translate freely across multiple engines and languages
Export side-by-side multilingual documents with one click
Multi-task batch processing
Local processing, no upload/download required

Try it out today, it’s free! To learn more about our different plans, visit www.itransbook.com