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Introduction

Immersive Translate is an excellent browser translation extension supporting bilingual webpage reading. By integrating with Nebula Lab, you can leverage powerful AI models for more accurate translations.

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Quick Install

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Supported Browsers

  • Chrome / Edge / Brave
  • Firefox
  • Safari

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Installation

  1. Visit your browser’s extension store
  2. Search “Immersive Translate”
  3. Click “Install” and add to toolbar
  4. Or visit Immersive Translate

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Configure Nebula Lab

  1. Open Settings: Click extension icon, select “Settings”
  2. Select Service: Click “Translation Service”, find “OpenAI”
  3. Fill Config:
    • APIKEY: Your Nebula Lab key
    • Custom API URL: https://llm.ai-nebula.com/v1/chat/completions
    • Custom Model: Optional (e.g. gpt-3.5-turbo)

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Core Features

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1. Webpage Translation

Auto Translate
  • Auto-detect language on foreign pages
  • Click toolbar “Translate” button
Manual Translate
  • Click extension icon, select “Translate this page”

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2. Translation Modes

Bilingual (Recommended)
  • Keep original format, translation below
  • Great for learning and terminology
Translation Only
  • Replace original text completely

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3. Selection Translation

  • Select text, click popup “Translate” button
  • Copy, pronunciation features available

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Advanced Settings

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1. Custom Prompts

As a technical translator:
1. Keep all technical terms in original
2. Provide Chinese explanation in brackets
3. Preserve code and command format

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2. Translation Rules

Set auto-translate for specific sites:
  1. Go to “Translation Rules”
  2. Add domain (e.g. en.wikipedia.org)
  3. Choose: Always / Never / Smart

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3. Style Customization

.immersive-translate-target {
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: #333;
}

.immersive-translate-target-wrapper {
    background-color: #f5f5f5;
    padding: 5px;
    margin: 5px 0;
    border-radius: 3px;
}

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Special Features

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1. PDF Translation

  • Support online PDF translation
  • Keep original format, bilingual display

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2. Video Subtitle Translation

Supports YouTube, Netflix, Bilibili:
  1. Enable “Video Subtitle Translation”
  2. Select display mode
  3. Adjust subtitle style

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3. E-book Translation

  • Upload EPUB format
  • Select language and mode
  • Download bilingual version

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4. Input Box Translation

  • Type in input box
  • Press Alt + S to translate
  • One-click replace

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Shortcuts

FunctionDefault
Translate/Show OriginalAlt + T
Switch ModeAlt + M
Translate SelectionAlt + S
Open SettingsAlt + O

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Model Recommendations

Content TypeModelReason
Newsgpt-3.5-turboFast, accurate, cost-effective
Technical Docsgpt-4Precise terminology
Academic Papersclaude-3-opusStrong long-text understanding
Literatureclaude-3-sonnetPreserves literary beauty
Daily Webgpt-3.5-turboFast, meets basic needs

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Performance Optimization

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1. Caching

  • Enable “Translation Cache”
  • Set cache duration (24 hours recommended)

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2. Batch Translation

  • Adjust batch size (5-10 paragraphs)
  • Set concurrency (2-3)

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3. Trigger Conditions

  • Minimum length: 10 characters
  • Ignore nav menus, ads
  • Delay: 200ms

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Troubleshooting

  • Verify API key
  • Check network connection
  • Refresh page or switch mode
  • Check console (F12) for errors
  • Switch to faster model
  • Reduce text per batch
  • Enable caching
  • Check network latency
  • Toggle bilingual/translation-only mode
  • Adjust translation layout styles
  • Add custom rules for site

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Best Practices

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Reading Experience

  • Choose clear fonts
  • Increase contrast between original and translation
  • Set 1.5x line height

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Learning

  • Use bilingual mode for comparison
  • Use selection translation for terms
  • Export translations for review

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Cost Control

  • Use gpt-3.5-turbo for daily browsing
  • Use gpt-4 or Claude for important docs
  • Leverage caching to reduce repeats