Comment Translator

VS Code & Cursor extension that translates comments, logs, print statements, and error messages in your codebase to any language.

---

Features

• Multi-language translation powered by DeepL API (500k free characters/month)
• Selective translation — choose exactly what to translate:
  • Comments (single-line and multi-line)
  • Log statements (console.log, logger.info, etc.)
  • Print statements (print, println, echo, etc.)
  • Error messages (throw new Error, raise Exception, etc.)
  • Plain text files (.txt, .md)
  • String literals (optional)
• Preview mode — see a diff before applying any changes
• Batch processing — translate entire project or just selected files
• Smart detection — only non-English text is sent for translation
• Works with all programming languages

---

Installation

From VS Code Marketplace

(coming soon)

From VSIX

1. Download the latest .vsix from Releases
2. In VS Code: Extensions → ... → Install from VSIX

From Source

git clone https://github.com/i-ymka/comment-translator.git
cd comment-translator
npm install
npm run compile

Press F5 in VS Code to launch Extension Development Host.

---

Setup

1. Get a free DeepL API key at deepl.com/pro-api (500k chars/month free)
2. Open the Comment Translator panel in the sidebar
3. Paste your API key and select target language

---

Usage

Via sidebar panel:

1. Click the Comment Translator icon in the Activity Bar
2. Configure: API key, target language, what to translate, preview vs replace mode
3. Click Translate

Via Command Palette (Ctrl+Shift+P / Cmd+Shift+P):

• Comment Translator: Translate Current File
• Comment Translator: Translate Whole Project
• Comment Translator: Translate Selected Files

---

Example

Before (Russian comments):

# Вычисление суммы двух чисел
def calculate_sum(a, b):
    print("Складываем числа")
    return a + b

After (translated to English):

# Calculating the sum of two numbers
def calculate_sum(a, b):
    print("Adding numbers")
    return a + b

---

Supported Languages

English · German · French · Spanish · Italian · Portuguese · Russian · Japanese · Chinese · Korean · and more via DeepL

---

Settings

Setting	Description	Default
commentTranslator.deeplApiKey	DeepL API key	""
commentTranslator.targetLanguage	Target language	EN-US
commentTranslator.translateComments	Translate comments	true
commentTranslator.translateLogs	Translate log statements	true
commentTranslator.translatePrints	Translate print statements	true
commentTranslator.translateErrors	Translate error messages	true
commentTranslator.translateStrings	Translate string literals	false
commentTranslator.mode	preview or replace	preview
commentTranslator.scope	currentFile or wholeProject	currentFile

---

License

MIT — free to use, modify, and distribute.

---

Powered by DeepL API