Immersive Translate Extension

Immersive Translate is a powerful bilingual web page translation browser extension. Through Laozhang API, you can integrate various advanced AI models into Immersive Translate for a more natural and accurate translation experience.

Quick Integration

Step 1: Install Extension

Install Immersive Translate from the following browsers:

Chrome/Edge: Chrome Web Store
Firefox: Firefox Add-ons
Safari: Safari Extensions

Step 2: Configure Laozhang API

1 Open Settings Click the Immersive Translate extension icon, select “Settings” 2 Choose Translation Service In “Translation Services”, select “OpenAI” 3 Fill In API Configuration Configure the following information:

API Key: Enter your Laozhang API key
Custom API URL: https://api.yelinai.com/v1/chat/completions
Model: Select the model you need (e.g., gpt-4-turbo)

4 Test Configuration Click “Test” button to ensure connection is successful 5 Save Settings Click “Save” button to complete configuration Obtaining API KeyVisit Laozhang API Console to create and obtain your API key.

Recommended Model Selection

Choose appropriate models based on different translation scenarios:

Translation Scenario	Recommended Model	Speed	Quality	Cost
General Web Translation	`gpt-3.5-turbo`	Fast	Good	Low
Professional Articles	`gpt-4-turbo`	Medium	Excellent	Medium
Technical Documentation	`gpt-4-turbo`	Medium	Excellent	Medium
News Reading	`gpt-3.5-turbo`	Fast	Good	Low
Academic Papers	`claude-sonnet-4`	Medium	Excellent	Medium
Literary Works	`claude-sonnet-4`	Medium	Excellent	Medium

Model Selection Recommendations

Daily browsing: Use gpt-3.5-turbo, fast and economical
Professional content: Use gpt-4-turbo, high accuracy
Long articles: Use claude-sonnet-4, supports long context
Technical documents: Use gpt-4-turbo, precise terminology

Core Features

1. Bilingual Comparison Translation

Display original and translation side-by-side:

Paragraph-by-paragraph correspondence: Clear and intuitive
Hover highlighting: Highlight corresponding paragraphs
Quick positioning: Quickly find target content

2. Hover Translation

Hover over words for quick translation:

No need to copy and paste
Instant results
Supports multiple languages

3. Input Box Translation

Translate while typing:

Real-time translation feedback
Supports multiple platforms
Quick bilingual switching

4. PDF Translation

Translate PDF documents:

Maintain original layout
Support bilingual comparison
Export translated files

5. Subtitle Translation

Translate video subtitles:

Support YouTube, Netflix, etc.
Real-time subtitle translation
Bilingual subtitle display

Usage Scenarios

Scenario 1: Reading Technical Documentation

Reading technical articles/documentation on GitHub, Medium, etc.:

Open the page you need to read
Click the Immersive Translate icon
Automatically translate to bilingual display
Hover over important paragraphs for further reading

Scenario 2: Academic Research

Reading English academic papers:

Open the paper page
Enable translation feature
Bilingual comparison reading
Accurately understand terminology
Take notes and cite

Scenario 3: News Browsing

Reading international news:

Visit foreign news websites
Automatically trigger translation
Quickly browse headlines
In-depth reading of interesting content

Scenario 4: Video Learning

Watching English tutorial videos:

Open YouTube/Coursera videos
Enable subtitle translation
Real-time bilingual subtitle display
Better understand content

Advanced Configuration

Custom Prompts

Customize prompts for translation:

You are a professional translator proficient in English and Chinese.

Task: Translate the following text to Chinese
Requirements:
1. Accurate and fluent translation
2. Maintain professional terminology accuracy
3. Keep paragraph structure unchanged
4. Ensure text is natural and fluent

Text to translate:
{text}

Please provide only the translation, without explanations.

Translation Style Settings

Set different translation styles:

Style	Temperature	Features	Use Cases
Literal	0.1	Precise and accurate	Technical documents, contracts
Balanced	0.3	Accurate and fluent	News, general articles
Free	0.5	Natural and fluent	Literary works, blogs
Creative	0.7	Creative and diverse	Marketing copy, creative content

Domain-specific Configuration

Optimize translation for specific domains:

{
  "tech": {
    "model": "gpt-4-turbo",
    "temperature": 0.2,
    "systemPrompt": "You are a technical document translator, proficient in various programming languages and technical terms."
  },
  "medical": {
    "model": "gpt-4-turbo",
    "temperature": 0.1,
    "systemPrompt": "You are a medical document translator, proficient in medical terminology and professional expressions."
  },
  "legal": {
    "model": "claude-sonnet-4",
    "temperature": 0.1,
    "systemPrompt": "You are a legal document translator, proficient in legal terminology and formal expressions."
  }
}

Feature Tips

Shortcut Keys

Shortcut	Function
`Alt + A`	Toggle translation
`Alt + W`	Translate entire page
`Alt + S`	Show/hide original text
`Alt + D`	Toggle translation style

Smart Recognition

Auto-recognize and adapt:

Page Language: Auto-detect source language
Content Type: Auto-adjust translation strategy
User Preferences: Learn your habits

Cache Mechanism

Improve efficiency:

Translation Cache: Repeat content no re-translation
Terminology Cache: Consistent professional terms
Speed Optimization: Faster page loading

Troubleshooting

Connection Issues

Problem: Unable to connect to API Solutions:

Check if custom API URL is correct: https://api.yelinai.com/v1/chat/completions
Verify API Key validity
Check network connection
Confirm firewall/proxy settings

Translation Quality Poor

Problem: Translation results don’t meet expectations Solutions:

Switch to a more advanced model (e.g., from GPT-3.5 to GPT-4)
Adjust translation style (decrease temperature)
Optimize prompt template
Check if source language is correctly identified

Slow Translation Speed

Problem: Translation response is slow Solutions:

Switch to a faster model (e.g., gpt-3.5-turbo)
Enable cache feature
Check network speed
Reduce max_tokens setting

Some Content Not Translated

Problem: Some content on page is not translated Solutions:

Check if excluded translation selectors are set
Refresh page and retry
Manually trigger translation
Check page structure if special

Best Practices

1. Choose Models Wisely

Choose appropriate models based on scenarios:

Daily browsing → gpt-3.5-turbo
    ↓
Important articles → gpt-4-turbo
    ↓
Professional papers → claude-sonnet-4

2. Manage Translation Rules

Set translation rules:

Never translate: Set domain names or page selectors not to translate
Always translate: Set auto-translation domain names
Translation style: Set default style for different websites

3. Optimize Reading Experience

Enable bilingual comparison → Easy to verify accuracy
Use hover translation → Quick understanding of terms
Enable cache → Improve speed
Customize shortcuts → More efficient

4. Cost Control

Control usage costs:

Use gpt-3.5-turbo for daily browsing
Use advanced models only for important content
Enable cache to reduce repeat translations
Set daily usage limit

Plugin Configuration Examples

Daily Browsing Configuration

{
  "model": "gpt-3.5-turbo",
  "temperature": 0.3,
  "maxTokens": 1000,
  "cacheEnabled": true,
  "autoTranslate": false
}

Professional Reading Configuration

{
  "model": "gpt-4-turbo",
  "temperature": 0.2,
  "maxTokens": 2000,
  "cacheEnabled": true,
  "autoTranslate": true,
  "bilingualMode": true
}

Cost-optimized Configuration

{
  "model": "gpt-3.5-turbo",
  "temperature": 0.3,
  "maxTokens": 800,
  "cacheEnabled": true,
  "autoTranslate": false,
  "onlyTranslateSelection": true
}

Cost Optimization Strategy

Usage Strategy

Content Type	Model	Max Tokens	Expected Cost
News Headlines	GPT-3.5	500	Very Low
General Articles	GPT-3.5	1000	Low
Professional Articles	GPT-4	1500	Medium
Academic Papers	Claude	2000	High

Saving Tips

Enable Cache: Avoid repeat translations
Selective Translation: Translate only what you need
Batch Processing: Translate multiple paragraphs at once
Model Switching: Use appropriate models for different content
Limit Token Count: Set reasonable max_tokens

Further Learning

Official Resources

Learning Resources

Community Support

Need more help? Please visit Laozhang API Official Website or contact our support team.

​Quick Integration

​Step 1: Install Extension

​Step 2: Configure Laozhang API

​Recommended Model Selection

​Core Features

​1. Bilingual Comparison Translation

​2. Hover Translation

​3. Input Box Translation

​4. PDF Translation

​5. Subtitle Translation

​Usage Scenarios

​Scenario 1: Reading Technical Documentation

​Scenario 2: Academic Research

​Scenario 3: News Browsing

​Scenario 4: Video Learning

​Advanced Configuration

​Custom Prompts

​Translation Style Settings

​Domain-specific Configuration

​Feature Tips

​Shortcut Keys

​Smart Recognition

​Cache Mechanism

​Troubleshooting

​Connection Issues

​Translation Quality Poor

​Slow Translation Speed

​Some Content Not Translated

​Best Practices

​1. Choose Models Wisely

​2. Manage Translation Rules

​3. Optimize Reading Experience

​4. Cost Control

​Plugin Configuration Examples

​Daily Browsing Configuration

​Professional Reading Configuration

​Cost-optimized Configuration

​Cost Optimization Strategy

​Usage Strategy

​Saving Tips

​Further Learning

​Official Resources

​Learning Resources

​Community Support