AI JSON Translator
Free for the first 1,000 credits
AI-Powered JSON 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We use the latest large language models — not outdated rule-based engines — to deliver translations that truly understand your content.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 GPT-4, DeepSeek, Claude, and other leading models. These LLMs 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.
How to Translate JSON Files
Upload Your JSON File
Drag and drop your JSON file or click to browse. We support files up to 300MB.
Choose Target Language
Select from 100+ languages. Our AI understands context for natural translations.
Download Translation
Get your translated JSON file in minutes with formatting preserved.
Why Translate JSON with BookTranslator
Nested Keys Supported
Deeply nested JSON structures are traversed and translated correctly.
Values-Only Translation
Only string values are translated — keys, numbers, and booleans stay unchanged.
Structure Preserved
The entire JSON tree structure remains identical after translation.
Array Handling
String arrays are translated element by element while preserving order.
Why Choose BookTranslator
10x Faster Than Manual Translation
Translate entire documents in minutes, not weeks. Our AI processes thousands of words per second while maintaining context and accuracy.
Pay Only for What You Use
No subscription required. Pay per word count with transparent pricing. Free preview available so you can check quality before paying.
Context-Aware AI Translation
Unlike generic translators, our AI understands document context — technical terms, literary style, and domain-specific vocabulary are translated accurately.
Email Delivery & Easy Access
Translated files are delivered to your email automatically. No account required for basic translations. Download anytime from your history.
See JSON Translation in Action
Compare the original JSON document side-by-side with the translated version. Layout, formatting, and structure are fully preserved.

Original JSON document

Translated JSON — layout preserved
Who Uses JSON Translation
Web App Developers
Translate i18n JSON files for React, Vue, Angular, and Next.js applications.
Mobile App Developers
Localize React Native and Flutter JSON translation files.
i18n Projects
Scale your internationalization workflow with AI-powered JSON translation.