Reaching a global audience requires translating video content into multiple languages. Manual translation is expensive and slow. Auto-generated translations are often inaccurate without a clean source transcript to work from.
YouTubeTranscripts.co extracts clean, accurate transcripts that serve as the perfect source for translation. Feed the transcript into translation APIs like Google Translate, DeepL, or an LLM for high-quality translations. Generate multilingual subtitles and localized content from a single video.
import httpx
from openai import OpenAI
API_KEY = "YOUR_API_KEY"
# 1. Get the original transcript
resp = httpx.get(
"https://api.youtubetranscripts.co/v1/transcript",
params={"url": "https://youtube.com/watch?v=VIDEO_ID", "format": "text"},
headers={"x-api-key": API_KEY},
)
transcript = resp.json()
# 2. Translate with an LLM for high-quality results
client = OpenAI()
translation = client.chat.completions.create(
model="gpt-4o",
messages=[
{"role": "system", "content": "Translate the following English transcript to Spanish. Maintain natural speech patterns and cultural context."},
{"role": "user", "content": transcript["text"]},
],
)
translated_text = translation.choices[0].message.content
print(f"Original: {len(transcript['text'])} chars")
print(f"Translation: {len(translated_text)} chars")
print(f"\n{translated_text[:500]}...")Get clean source transcripts for accurate translation
Works with Google Translate, DeepL, and LLM translation
Generate multilingual SRT subtitle files
Support for 30+ source languages
Batch process channels for full localization
Preserve timestamps for multilingual subtitle sync
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