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Free Online AI PDF Translator

Translate your PDF documents while comparing original and translated text side by side, powered by multiple AI models.

Click or drag file to this page to upload
Formats:pdf / doc / ppt
Side-by-side PDF translation with real-time comparison

Side-by-Side PDF Document Translation

Experience precise document translation with our side-by-side interface, offering seamless comparison and verification in real-time.

  • Original text and translation displayed side-by-side in perfect sync
  • Synchronized scrolling for easy comparison
  • Identical formatting maintained in both versions
  • Perfect alignment between source and translated content
Select from advanced AI models for optimal translations across diverse needs

Multiple Advanced AI Models at Your Service

Choose the perfect AI model for your specific translation needs, ensuring optimal results for every document type and industry.

  • GPT-4o for highest accuracy and natural language understanding
  • Claude 3.5 Sonnet for technical and academic documents
  • Gemini for creative content
  • Customizable model selection based on your specific needs
Manage and analyze documents effortlessly with advanced AI features like summarization and deep content understanding

Not Just A PDF Document Translator

AI Chat with PDF, Doc, and Presentation with Ease!

  • Intelligent Document Analysis: Ask questions about your PDF content and get instant, accurate answers
  • Quick Summarization: Get concise summaries of long documents in seconds
  • Deep Content Understanding: Extract specific information, analyze data, and understand complex concepts
  • Multiple AI Models: Choose from various AI models for different types of analysis
  • Seamless Integration: Works perfectly with our PDF Translator for a complete document solution

How to Translate PDF Online for Free with Sider Doc Translator?

Easily upload documents by dragging and dropping files into the translator interface
1
Upload Your PDF
Simply drag and drop your PDF file into our translator interface or click to browse your files.
Choose a target language and translation model, with automatic source language detection
2
Select Language
Choose your target language from our extensive language list. Sider PDF Translator can automatically detect the source language and start translating.
Seamlessly compare, adjust, and save your translated content
3
Get Your Translation
Review original and translated content in parallel. Refine any paragraph using different AI models, and download your polished translation when ready.

Why Choose Sider AI PDF Translator?

Perfect Format Retention

Keep your document's original layout, fonts, and styling intact in both versions - no messy formatting.

Interactive Editing

Refine translations paragraph by paragraph, switch AI models anytime, and see changes instantly.

50+ Languages

Translate between any of our supported languages while maintaining the same powerful features and accuracy.

Right-to-Left Support

Seamlessly handle Arabic, Hebrew, and other RTL languages with perfect alignment and formatting.

Enhanced Privacy & Security

Sider prioritize your privacy and handle all documents with strict confidentiality and security measures.

One-Click Export

Download your professionally translated document instantly, ready for immediate use and sharing.

Translate PDF for Any Use
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Efficiently translate business documents, contracts, and reports while maintaining professional terminology and formatting for international operations.
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Translate academic papers, research reports, and thesis documents for international research and collaboration.
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Translate legal documents and regulatory materials with high precision, ensuring accurate interpretation of legal terms and maintaining document structure.

User Feedback

Frequently Asked Questions

Is it free to translate PDF using Sider PDF Translator?
Yes, you can start translating PDFs for free! While basic translation features are available at no cost, we offer premium plans for users who need advanced AI models like GPT-4o, higher page limits, or priority processing.

Try Sider PDF Translator for free and see the difference yourself.