
Belin Doc
Free AI Document Translator with High-Quality Results
Belin Doc Overview
Belin Doc is a cutting-edge, completely free AI document translation tool that supports multiple file formats including PDF, DOCX, EPUB, PPTX, XLSX, TXT, and image files. Designed for professionals, academic researchers, and businesses, it offers high-quality translations powered by advanced AI models like ChatGPT, Claude, Gemini, and DeepSeek. The tool excels in preserving original document formats, ensuring excellent translation quality without storing any user data. With no login required and unlimited translation capabilities, Belin Doc is transforming document translation by making it accessible and hassle-free for everyone.
Belin Doc Screenshot

Belin Doc Official screenshot of the tool interface
Belin Doc Core Features
Zero-Cost Translation
Belin Doc offers completely free document translation with no usage limits or hidden fees, making it accessible to everyone without any financial burden.
Most Accurate Format Preservation
Using top-tier format parsing algorithms, Belin Doc ensures superior format fidelity, maintaining the layout and structure of original documents in translations.
Advanced Text Understanding
The tool supports over 60 languages with exceptional language recognition capabilities, ensuring accurate and contextually appropriate translations.
Multiple Document Format Support
Belin Doc supports a wide range of document formats including PDF, DOCX, PPTX, Excel, EPUB, and more, making it versatile for various needs.
Enhanced Privacy Protection
With a zero data retention policy, Belin Doc ensures complete privacy by deleting original and translated files within one hour after translation.
Multiple Model Selection
Users can choose from several top-tier AI models like ChatGPT, Claude, Gemini, and DeepSeek to tailor the translation to their specific needs.
Belin Doc Use Cases
Academic Research
Researchers can translate academic papers, theses, and articles while preserving complex formats like tables and formulas, saving time and ensuring accuracy.
Business Communications
Companies can translate marketing materials, contracts, and reports quickly and accurately, facilitating seamless international communication.
Cross-border E-commerce
E-commerce professionals can translate product manuals and specifications to reach global markets without incurring translation costs.
Personal Use
Individuals can translate personal documents like resumes, letters, and books effortlessly, eliminating language barriers.
How to Use Belin Doc
Drag and drop your document into the upload area or browse files to select the document you wish to translate.
Select the source language (automatically detected) and choose the target language from the dropdown menu.
Optionally, select the AI model for translation and adjust any additional settings like image translation or formula recognition enhancement.
Click 'Start Translation' to begin the process. The tool will process your document and provide a high-quality translation in minutes.
Download the translated document directly or share it with others. No account or login is required at any step.