# Doclingo

> Doclingo is an AI document translation platform for PDFs and office documents. It is designed for users who need accurate translation with layout preservation, OCR support, bilingual output, and online editing.

Doclingo is best suited for translating PDFs, Word files, Excel sheets, PowerPoint presentations, scanned documents, and image-based files. It is commonly used for research papers, contracts, reports, manuals, and other documents where formatting and structure matter.

## Core product

- [Doclingo Home](https://doclingo.cn/en/): Main overview of the Doclingo product, including supported document types, product positioning, and key entry points.
- [Document Translation](https://doclingo.cn/en/translate): Main workflow for AI-powered document translation. Supports PDF, Word, Excel, PowerPoint, and image files.
- [Pro / Pricing](https://doclingo.cn/en/pro): Membership and premium plan page for advanced translation capabilities.
- [Enterprise](https://doclingo.cn/en/team): Enterprise-oriented collaboration and team usage page.
- [API Documentation](https://doclingo.cn/en/doclingoApi): Official API entry point for integration and developer usage.

## Blog

### PDF Translation: The Complete Guide (2026)
URL: https://doclingo.cn/en/blog/pdf-translation-guide
Date: 2026-04-10
> Learn how to translate PDF files online with AI. Compare 7 methods including Doclingo, DeepL, and Google Translate. Keep formatting, handle scanned PDFs, and more.

### How to Translate a PDF and Keep the Original Layout (2026)
URL: https://doclingo.cn/en/blog/translate-pdf-keep-formatting
Date: 2026-04-10
> Learn how to translate PDF documents while preserving the original formatting, layout, tables, and images. Compare 5 methods and find the best solution.

### DeepL vs Doclingo: Document Translation Compared (2026)
URL: https://doclingo.cn/en/blog/deepl-vs-doclingo
Date: 2026-04-10
> Honest comparison of DeepL vs Doclingo for translating documents. We compare accuracy, formatting, OCR, pricing, and features across 8 categories.

### How to Translate a Research Paper Without Losing Citations
URL: https://doclingo.cn/en/blog/translate-research-paper
Date: 2026-04-10
> Translate academic papers while preserving citations, references, equations, and formatting. A guide for researchers and students working across languages.

### Translating Scanned Documents: OCR + AI Explained (2026)
URL: https://doclingo.cn/en/blog/ocr-translate-scanned-pdf
Date: 2026-04-10
> Learn how to translate scanned PDFs and images using OCR + AI. Step-by-step guide for scanned contracts, old documents, and photographed text.

### 7 Best AI Translation Tools in 2026 (Honest Comparison)
URL: https://doclingo.cn/en/blog/best-ai-translation-tools-2026
Date: 2026-04-10
> Unbiased comparison of the best AI translation tools in 2026: Doclingo, DeepL, Google Translate, ChatGPT, Claude, and more. Features, pricing, and real test results.

### Translate PDF to English: 5 Methods Compared
URL: https://doclingo.cn/en/blog/translate-pdf-to-english
Date: 2026-04-10
> Need to translate a PDF to English? Compare 5 methods from free to professional. Find the fastest way to get accurate English translations with formatting preserved.

### Translate PDFs Between 10 Popular Language Pairs — AI-Powered
URL: https://doclingo.cn/en/blog/language-pair-translation-guide
Date: 2026-04-10
> Translate PDFs between Chinese, Japanese, Korean, Spanish, French, German, Portuguese, Arabic, Russian, Thai, and English. Preserve formatting with AI. Try free.

### Google Translate vs AI Tools for Document Translation (2026)
URL: https://doclingo.cn/en/blog/google-translate-vs-ai-tools
Date: 2026-04-10
> Is Google Translate good enough for documents? Compare Google Translate to AI-powered tools like Doclingo, DeepL, and ChatGPT for accuracy, formatting, and features.

### How to Translate Legal Documents with AI (Safely)
URL: https://doclingo.cn/en/blog/translate-legal-documents-ai
Date: 2026-04-10
> Can AI translate legal documents? Learn when AI translation works for contracts, agreements, and legal filings — and when you need a certified translator.

### How to Translate PDF and Keep Original Layout
URL: https://doclingo.cn/en/blog/how-to-translate-pdf-keep-formatting
Date: 2026-04-01
> Did you find tables missing, titles jumbled, and images misaligned after translating a PDF? This article explains why most translation tools ruin formatting, compares 5 methods to maintain PDF format (Doclingo, DeepL, DocTranslator, etc.), and provides a step-by-step guide and best practice tips to help you find the best PDF translation solution in 2026.

### DeepL vs Doclingo: A Comparison of Document Translation Tools (2026)
URL: https://doclingo.cn/en/blog/deepl-vs-doclingo-chinese
Date: 2026-03-30
> An honest comparison of DeepL and Doclingo document translation tools. We provide a detailed comparison across 8 categories including accuracy, format retention, OCR, pricing, and features. Learn when to choose each tool and which one is better suited for your specific document translation needs.

### Tech Giants Use AI Layoffs as a Cover: Truth, Capital Logic, and a Survival Guide for Workers
URL: https://doclingo.cn/en/blog/ai-caiyuan-zhangxiu-zhenshi-jiqiao
Date: 2026-03-30
> This article deeply analyzes the so-called AI layoffs by tech giants—from Block laying off 40%, Salesforce, Meta to domestic companies like NetEase and iFlytek. It unpacks the capital-driven logic behind layoffs, the causes of over-hiring, and the boundaries of AI capabilities. It provides a practical self-protection checklist for workers: how to strengthen tacit knowledge, upgrade skills, build diverse career paths, and develop human-machine collaboration strategies to help workers enhance their irreplaceability and bargaining power in uncertain times.

### Complete Guide to Translating PDF: Comparison of 7 Methods and Best Practices (2026)
URL: https://doclingo.cn/en/blog/how-to-translate-pdf-complete-guide
Date: 2026-03-27
> A comprehensive analysis of all methods for translating PDFs in 2025—from free copy-pasting to AI-driven format-preserving translations. Compare the pros and cons of 7 tools including Google Translate, DeepL, Adobe Acrobat, and Doclingo, covering specific scenarios like scanned documents OCR processing, multi-column layouts, academic papers, legal documents, and more, to help you find the best PDF translation solution.

### Meta Layoffs 16,000 Yet Spending on Influencers: Is Creator Fast Track a Lifeline or a Cover-Up?
URL: https://doclingo.cn/en/blog/meta-caiyuan-16000-creator-fast-track
Date: 2026-03-23
> While announcing a potential layoff of 20%, approximately 16,000 employees, Meta launched Creator Fast Track: $1,000 guaranteed for creators with 100,000 followers, and $3,000 guaranteed for those with a million followers. This article analyzes the business logic, risks, and strategies for creators to help them and investors assess whether this layoff + cash-spending combo can be sustained.

### OpenClaw Founder Dialogue: Self-Modifying AI Agents, Open Source Revolution, and the Crossroads of Future Programming
URL: https://doclingo.cn/en/blog/openclaw-peter-steinberger-lex-fridman-podcast
Date: 2026-03-11
> This in-depth analysis reveals the exclusive story of OpenClaw founder Peter Steinberger on the Lex Fridman podcast, focusing on self-modifying AI agents, the open-source revolution, cross-platform implementation, and the transformative impact on future programming. It unpacks key innovations such as naming controversies, memory mechanisms, CLI, and modularity, as well as their profound implications for developers and ordinary users.

### In-Depth Interpretation of 'The Global Intelligence Crisis 2028': The Truth and Response to the Great Substitution, Consumption Cliff, and Ghost GDP
URL: https://doclingo.cn/en/blog/2028-global-intelligence-crisis
Date: 2026-03-02
> A comprehensive interpretation of the Citrini Research Institute's 'The Global Intelligence Crisis 2028': dissecting the three original concepts of AI 'Great Substitution', consumption cliff, and 'Ghost GDP', assessing the risks to employment, the S&P plunge, and financial contagion, and providing practical response suggestions for policies, businesses, and investors.

### Marc Andreessen: The Real AI Boom Has Yet to Begin
URL: https://doclingo.cn/en/blog/marc-andreessen-ai-boom-marc
Date: 2026-02-28
> Marc Andreessen, the inventor of the Netscape browser and co-founder of a16z, in a deep interview: AI is the modern philosopher's stone, turning sand into thought. Discussing how AI is reshaping job roles, education, and entrepreneurial models, and why, after 50 years of slowing productivity growth, we need AI to avoid economic recession. From task displacement to billion-dollar one-person companies, revealing the true picture of the AI era.

### Write a PDF from scratch (01): Hello, World - Building a Minimal Usable PDF
URL: https://doclingo.cn/en/blog/Write-a-PDF-from-scratch-PDF-01-Hello-World
Date: 2026-01-29
> Manually create a minimal PDF file using a text editor, understand the three layers of PDF structure (object layer, content stream, file structure), and use the pdftk tool to complete it into a standard PDF that can be opened.

### 【Practical】Lossless PDF Compression: Structural Optimization Solution Based on PyMuPDF
URL: https://doclingo.cn/en/blog/pdf-lossless-compression-pymupdf
Date: 2026-01-29
> Using PyMuPDF (fitz) to clean redundant objects, optimize structure, and achieve lossless PDF compression through garbage/deflate/clean/pretty parameters, minimizing file size while retaining text searchability.

### Was the Moment Turing Invented the Computer the Singularity of AI?
URL: https://doclingo.cn/en/blog/ai-history-from-zero-to-one
Date: 2025-12-30
> This article connects the key turning points of AI from 0 to 1 through 10 of the most representative figures. From Turing's philosophical inquiry 'Can machines think?' to McCarthy coining the term 'Artificial Intelligence', from the golden age of symbolism to two AI winters, and then to the perseverance and revival of the three giants of deep learning. We aim to present the complete context of AI development and understand how this nearly century-long 'relay race of ideas' has shaped today's intelligent era.

### Doclingo Version Update Announcement: Navigation Restructuring, Feature Expansion, and Experience Upgrade
URL: https://doclingo.cn/en/blog/doclingo-update-december-2025
Date: 2025-12-30
> This update focuses on optimizing the navigation structure, opening more permissions for guests, and enhancing the transparency of the translation process. New support for images and scans, text translation entry, and online editing features have been added, while the display of queue status and historical records has been optimized, providing you with a smoother, more convenient, and more user-friendly document translation experience.

### The Real Ledger of AI: How Much 'Benefit' Have You Gained, and What 'Cost' Have You Paid?
URL: https://doclingo.cn/en/blog/ai-benefits-and-costs-analysis
Date: 2025-12-21
> The core perspective of doclingo PDF translation is to view AI as a coin with two sides. Current discussions are overly focused on one side—the unsettling threat to future employment. The other side of the coin—the tangible 'benefits' that have already permeated our daily lives—has largely been overlooked. The purpose of this article is to guide readers to flip this coin, quantifying the actual benefits it brings while examining the hidden true costs behind it. We aim to establish a more balanced and pragmatic cognitive framework that transcends the binary opposition of blind optimism or pessimism, rationally viewing the real picture of AI today.

### The Rare Voice of the Prototype of 'The Big Short': I Have Shorted the AI Bubble, Where is the Next 'Once in a Century' Opportunity?
URL: https://doclingo.cn/en/blog/the-big-short-speaks-ai-bubble-next-move
Date: 2025-12-11
> DocLingo's free translation service brings you the latest news in the AI industry! This article will delve into the AI bubble from the perspective of an interview with Michael Burry, the protagonist of 'The Big Short', revealing the true state of the AI industry.

### Thoughts on the Free PDF Translation Upgrade: Why We Gave Up Half-Priced Gemini
URL: https://doclingo.cn/en/blog/doclingo-and-gemini-3-join-forces
Date: 2025-12-03
> DocLingo's free translation service is undergoing a significant upgrade! Faced with half-priced Gemini and the more expensive GPT, why did we ultimately choose the latter? This article will delve into the translation quality of these two top AI engines, revealing the difficult choices we made in pursuit of an exceptional user experience, and our commitment to professionalism, precision, and understanding.

### Exploring the Semantic Boundaries of LLM Translation through 'The Moon and Sixpence': A Comparative Study of Claude 4.5 and Human Translators
URL: https://doclingo.cn/en/blog/claude-4-5-vs-human-translation-analysis
Date: 2025-11-26
> In the complex context of literary translation, do Claude 4.5 and Gemini 3 possess the capability to replace human translators? This article uses Maugham's classic text as a sample to conduct an in-depth evaluation from three dimensions: rhetorical style, metaphorical mapping, and long-text consistency, and explores how Doclingo builds a balance between algorithmic efficiency and humanistic value.

### Doclingo and Gemini 3 Join Forces: Ending the 'Formatting Nightmare' of PDF Translation and Ushering in a New Era of Professional Document Processing
URL: https://doclingo.cn/en/blog/doclingo-integrates-gemini-3-pdf-translation
Date: 2025-11-26
> Doclingo officially integrates with the Google Gemini 3 engine, combining its unique 'mirror layout translation' technology with Gemini's native document understanding capabilities to achieve a synergistic effect of 1+1>2. This article delves into how this technology completely resolves the formatting chaos in PDF translation and enables high-fidelity document processing in cross-border e-commerce, academic research, and legal fields.

### AI-Powered Video Translation for E-Learning Content
URL: https://doclingo.cn/en/blog/AI-Powered-Video-Translation-for-E-Learning-Content
Date: 2025-10-24
> AI video translators break language barriers in e-learning, enabling fast, cost-effective multilingual course creation and global knowledge access.

### Everything You Need to Know About AI Translation
URL: https://doclingo.cn/en/blog/What-Is-AI-Translation
Date: 2025-10-17
> AI translation uses neural networks to understand context and produce accurate, natural translations across languages and domains.

### GPT-5 Series Engine Officially Launched
URL: https://doclingo.cn/en/blog/GPT-5-Series-Engine-Officially-Launched
Date: 2025-09-23
> Bringing smarter choices for different document scenarios

### AI Proofreading and Translation Style Features Launched
URL: https://doclingo.cn/en/blog/AI-Proofreading-and-Translation-Style-Features-Launched
Date: 2025-08-18
> New features enhance the accuracy and professionalism of document translation

### Version Update Announcement (1.0.37)
URL: https://doclingo.cn/en/blog/Version-Update-Announcement-(1.0.37)
Date: 2025-07-17
> Enhance translation experience. Explore more features, including free translation, AI translation, expert mode, and more.

### Doclingo PDF Translation API
URL: https://doclingo.cn/en/blog/Doclingo-PDF-Translation-API
Date: 2025-07-14
> Doclingo API empowers developers and enterprises with automated document translation, rapid integration, supporting multiple formats and high fidelity in batch processing.

### PDF Word Translation - Transform Every Selection into an Intelligent Translation Gateway
URL: https://doclingo.cn/en/blog/PDF-Word-Translation-Transform-Every-Selection-into-an-Intelligent-Translation-Gateway
Date: 2025-07-14
> PDF interactive intelligent word lookup, AI explanations, re-translation, and insights provide a brand new experience, aiding deep reading and cross-language communication.

### Doclingo 20250628 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0628-Update-Log
Date: 2025-06-28
> 20250628 Update Log

### Doclingo 0617 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0617-Update-Log
Date: 2025-06-17
> 0617 Update Log

### Doclingo 0606 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0606-Update-Log
Date: 2025-06-07
> 0606 Update Log

### The New Era of Intelligent Document Translation: A Revolutionary Tool to Break Language Barriers
URL: https://doclingo.cn/en/blog/The-New-Era-of-Intelligent-Document-Translation:-A-Revolutionary-Tool-to-Break-Language-Barriers
Date: 2025-06-05
> Challenges and Breakthroughs in Cross-Cultural Communication

### Online Editing — Select Non-Translatable Areas and Add Dividers
URL: https://doclingo.cn/en/blog/Online-Editing-SelectNon-Translatable-Areas-and-Add-Dividers
Date: 2025-06-04
> A smarter online PDF editing tool

### Doclingo No Registration Required, Easily Experience Free Document Translation!
URL: https://doclingo.cn/en/blog/Doclingo-No-Registration-Required,-Experience-Free-Document-Translation-Easily!
Date: 2025-05-16
> No registration needed, translate immediately

### Doclingo 0515 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0515-Update-Log
Date: 2025-05-15
> Doclingo 0515 Update Log

### Five Major Advantages of AI Translation Engines
URL: https://doclingo.cn/en/blog/Five-Major-Advantages-of-AI-Translation-Engines
Date: 2025-05-12
> This article explores the advantages of AI engine translation and provides a comparative analysis.

### Doclingo 0429 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0429-Update-Log
Date: 2025-04-30
> 0429 Version Update Log | Joyful Big Reveal Version 🎉

### Doclingo 0411 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0411-Update-Log
Date: 2025-04-12
> 0411 version update log｜Good news for visitors! Members can transform! Overseas users don't have to worry about renewal!

### Doclingo 0328 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0328-Update-Log
Date: 2025-03-28
> Update Log

### Doclingo 0314 Update Log
URL: https://doclingo.cn/en/blog/Doclingo-0314-Update-Log
Date: 2025-03-18
> Update log

### Introduction to Doclingo AI Models
URL: https://doclingo.cn/en/blog/Introduction-to-Doclingo-AI-Models
Date: 2025-02-22
> A detailed analysis of the features of various AI engines built into Doclingo.

### Doclingo In-Depth Evaluation Report
URL: https://doclingo.cn/en/blog/Doclingo-In-Depth-Evaluation-Report
Date: 2025-02-20
> Doclingo is a multilingual document processing tool that integrates mainstream AI translation engines and supports image translation.

## PDF Tools

- [Merge PDF Files](https://doclingo.cn/en/home/PDFMerge): Merge multiple PDF files into one.
- [PDF to Word Converter](https://doclingo.cn/en/home/PDFToWord): Convert PDF files to editable Word documents.
- [PDF Encryption Tool](https://doclingo.cn/en/home/PDFPassword): Add password protection and permissions to PDFs.
- [PDF Password Remover](https://doclingo.cn/en/home/PDFRemovePassword): Remove passwords from PDF files online.
- [PDF File Splitting](https://doclingo.cn/en/home/PDFSegmentation): Split PDF files into separate documents.
- [Rearrange PDF Pages](https://doclingo.cn/en/home/PDFPageReorder): Rearrange PDF pages online.
- [Add Page Numbers](https://doclingo.cn/en/home/PDFAddPageNumber): Add page numbers to PDF files online.
- [Delete PDF Pages](https://doclingo.cn/en/home/PDFPageDeletion): Delete unwanted pages from a PDF.
- [PDF Image Extraction](https://doclingo.cn/en/home/PDFExtractFileImage): Extract images from PDF files.
- [Edit PDF Metadata](https://doclingo.cn/en/home/PDFEditMetaData): Edit metadata of PDF files.
- [Remove PDF Metadata](https://doclingo.cn/en/home/PDFRemoveMetaData): Remove metadata from PDF files.
- [Extract PDF Pages](https://doclingo.cn/en/home/PDFExtractPage): Extract specific pages from a PDF.
- [PDF to Text Converter](https://doclingo.cn/en/home/PDFExtractText): Convert PDF files to plain text.
- [PDF Compression Tool](https://doclingo.cn/en/home/PDFCompress): Compress PDF files to reduce file size.
- [Overlay PDF Tool](https://doclingo.cn/en/home/PDFOverlay): Overlay and combine PDF documents.
- [Rotate PDF Pages](https://doclingo.cn/en/home/PDFPageRotation): Rotate PDF pages online.
- [Watermark PDF Tool](https://doclingo.cn/en/home/PDFAddWatermark): Add watermarks to PDF files online.

## Help and trust

- [Help Center](https://help.doclingo.ai/en/): Main support center.
- [Privacy Policy](https://doclingo.cn/en/account/privacyAgreement?type=2): Official privacy policy page.
- [Terms of Service](https://doclingo.cn/en/account/privacyAgreement): Official service agreement page.
- [Version Updates](https://doclingo.cn/en/changelogs): Product update log page.
- [Support](mailto:support@doclingo.ai): Customer support contact.