Doclingo - AI Document Translator

Free AI document translator that preserves formatting better than any translator

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Updated Jul 2026 · Added Jun 2026

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What is Doclingo?

Doclingo is an AI-powered document translation tool that specializes in translating PDFs, Word, PowerPoint, and Excel files while preserving original formatting. It uses multiple AI engines (DeepSeek, ChatGPT, Gemini, Claude, Qwen) and includes OCR capabilities for scanned documents. Designed for researchers, professionals, and students who need accurate translation of academic papers, contracts, and technical documents with layout preservation and bilingual output.

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Key Features of Doclingo

PDF/Office document translation (PDF, DOCX, PPTX, XLSX)
OCR for scanned document recognition
Preserve original document layout
Bilingual side-by-side output
Online editing capabilities
Document conversation feature
Highlight-to-translate functionality
Glossary support
Batch translation
Multiple AI engine integration (DeepSeek, ChatGPT, Gemini, Claude, Qwen)
90+ language support

Who Should Use Doclingo?

Translate academic research papers and theses

Translate PDF design drawings and technical documents

Handle specialized terminology in professional translation projects

Process contracts and legal documents

Translate technical manuals and reports

Support graduate student research workflows

Doclingo: Pros & Cons

✓Pros

Completely free with no sign-up required
Preserves original document formatting better than competitors
Supports multiple document formats (PDF, DOCX, PPTX, XLSX)
Excels at OCR for scanned documents and text within images
Multiple AI engine options integrated
Bilingual output for easy comparison
Batch processing capability
High accuracy with specialized terminology
Online editing integrated with translation

Frequently Asked Questions about Doclingo

Can Doclingo translate scanned PDFs and images with text?

Yes, Doclingo includes OCR capabilities to recognize and translate text from scanned documents and images. This makes it useful for translating older research papers or design drawings that exist only as image files.

Does Doclingo preserve the layout and formatting of the original document?

Doclingo is built specifically to preserve original formatting, including page layout, fonts, tables, and images. It outputs translations in the same format as the input, so a translated PDF remains a PDF with the original structure intact.

Which AI engines can I choose from when translating?

Doclingo integrates multiple AI engines including DeepSeek, ChatGPT, Gemini, Claude, and Qwen. You can select which engine to use for each translation, which is useful if one performs better on specialized terminology or technical documents relevant to your work.

What document formats does Doclingo support?

Doclingo translates PDFs, Word documents (DOCX), PowerPoint presentations (PPTX), and Excel spreadsheets (XLSX). It also supports batch translation of multiple files at once.

Tool Details

Pricing: Free
Languages: Chinese (Simplified), Chinese (Traditional), English, Japanese, Korean, Hindi, French, German, Arabic, Italian, Indonesian, Ukrainian, and 90+ additional languages
Category: Ai Translators
Added: Jun 2026
Last Updated: Jul 2026