BookTranslator
BookTranslator

User Guide Translation, Done Right

AI that understands User Guide structure, terminology, and formatting. Upload your file and get a publication-ready translation in minutes.
100+ Languages
AI-Powered
Format Preserved
Easy to Start
Click to upload files
Supported file format: EPUB / PDF / DOCX / TXT / SRT / MOBI etc. Maximum file size: 300MB

Try free — translate up to 10,000 words

Trusted by researchers and professionals at

Tsinghua UniversityTsinghua University
Stripe
Peking UniversityPeking University
Yale University
Fudan UniversityFudan University
ByteDance
Zhejiang UniversityZhejiang University
Hilton
New York University
Merck
Monash University
Volkswagen
University of Michigan
EY
University of Southern California
Boston University
Tsinghua UniversityTsinghua University
Stripe
Peking UniversityPeking University
Yale University
Fudan UniversityFudan University
ByteDance
Zhejiang UniversityZhejiang University
Hilton
New York University
Merck
Monash University
Volkswagen
University of Michigan
EY
University of Southern California
Boston University
Tsinghua UniversityTsinghua University
Stripe
Peking UniversityPeking University
Yale University
Fudan UniversityFudan University
ByteDance
Zhejiang UniversityZhejiang University
Hilton
New York University
Merck
Monash University
Volkswagen
University of Michigan
EY
University of Southern California
Boston University

Built for User Guide Translation

Screenshot Handling

Screenshots, UI mockups, and interface images are preserved with any visible text labels translated for clarity.

UI Terminology

Software-specific terms, menu names, and button labels are translated consistently using platform-standard terminology.

Navigation Structure

Table of contents, section links, and cross-references within the guide are maintained for easy navigation.

Troubleshooting Guide

Error messages, troubleshooting steps, and FAQ sections are translated clearly to help users resolve issues.

Smart Reflow — PDF Only

Smart Reflow: A Better Way to Translate PDFs

Instead of overlaying translations on the original PDF, Smart Reflow extracts content with OCR and rebuilds pages from scratch — producing clean, searchable, editable bilingual documents.

Scanned PDF Support

Translate scanned books and image-only PDFs with advanced OCR text extraction.

Smart Reflow

No overlay artifacts, no text overlap — content is reflowed with clean formatting.

Complex Documents

Handles multi-column layouts, textbooks, and image-heavy academic papers.

Searchable & Editable

Output PDF has fully searchable and editable text — even from scanned sources.

Bilingual & Monolingual

Choose bilingual (source + translation) or translation-only output.

Available for all PDF files — enable it with one click
Powered by Large Language Models

AI-Powered User Guide Translation

We use the latest large language models — not outdated rule-based engines — to deliver translations that truly understand your content.

State-of-the-Art LLM Models

Powered by the latest AI language models that understand grammar, idioms, and domain-specific terminology far beyond traditional machine translation.

Context-Aware Translation

LLMs read entire paragraphs and chapters, not isolated sentences. This means pronouns, references, and tone stay consistent throughout your document.

Multi-Model Architecture

Different models excel at different languages and domains. Our system automatically selects the best model for your content to maximize quality.

Superior to Traditional MT

Large language models produce natural, fluent translations that read like human writing — not the awkward, literal output of legacy translation engines.

The Smarter Way to Translate Documents

Minutes, Not Days

Upload and get your translated User Guide file back in minutes. No waiting for human translators — AI processes thousands of words per second.

Free to Start, Fair to Scale

Translate up to 10,000 words free. No subscription needed — pay only for what you use with transparent pricing.

AI That Actually Understands Context

Powered by the latest AI language models — not legacy machine translation. Technical terms, idioms, and domain jargon are translated accurately.

No Signup Required

Start translating immediately. Files are delivered to your email or available for instant download. Create an account later to track history.

User Guide Translation FAQ

Ready to translate your User Guide file?

Drop your file, pick a language, and download. It's that simple. Try free — no credit card required.

Try free — translate up to 10,000 words|Format Preserved