# Free PDF Translator Online (AI-Powered) - PDFTranslator.org

> Free PDF Translator Online is a powerful, 100% free tool for translating PDF documents into over 100 languages. It preserves original layouts, including complex diagrams and formulas, supports files up to 20MB, and delivers fast results in 1-5 minutes. Your privacy is guaranteed with automatic deletion of files after 1 hour.

## Key Features

- **Preserves Layout**: Maintains original formatting, including complex charts and mathematical/physical formulas.
- **100+ Languages**: Supports mutual translation between over 100 languages.
- **100% Free**: Completely free to use with no hidden costs.
- **Large File Support**: Handles PDF files up to 20MB.
- **Fast Speed**: Get translation results in just 1 to 5 minutes.
- **Secure & Private**: All translation results are automatically deleted after 1 hour to ensure data privacy.
- **Global Reach**: Interface localized in 8 languages (EN, ZH, JA, KO, DE, FR, ES, VI).

## Core Tools & Services

### AI & Content Tools
- [PDF Translator](https://pdftranslator.org/) - Primary AI-powered translation preserving document layout.
- [AI Text Detector](https://pdftranslator.org/ai-detector) - Detect content from ChatGPT, Claude, and Gemini with high accuracy.
- [AI Humanizer](https://pdftranslator.org/ai-humanizer) - Transform AI-generated text into human-like writing to bypass detection.

### Document Conversion (AI-Friendly)
- [PDF to JSON](https://pdftranslator.org/pdf-to-json) - Extract structured data and tables from PDF into JSON format.
- [PDF to Text](https://pdftranslator.org/pdf-to-text) - Extract plain, clean text from PDF with 100% local privacy protection.
- [PDF to Markdown](https://pdftranslator.org/pdf-to-markdown) - Convert PDF content to clean Markdown for AI processing.

### PDF Utilities
- [Compress PDF](https://pdftranslator.org/compress-pdf) - Reduce PDF file size locally, fast and private.
- [Split PDF](https://pdftranslator.org/split-pdf) - Extract specific pages from large PDF documents.
- [Merge PDF](https://pdftranslator.org/merge-pdf) - Combine multiple PDF files into a single document.


## Service Details
| Feature | Specification |
| :--- | :--- |
| **Max File Size** | 20MB |
| **Supported Languages** | 100+ (Mutual translation) |
| **Data Retention** | 1 hour (Auto-delete) |
| **Security** | End-to-end encrypted processing |

## Legal & Support
- [Privacy Policy](https://pdftranslator.org/privacy-policy) - Data privacy and security information.
- [Terms of Service](https://pdftranslator.org/terms-of-service) - Standard terms for tool usage.