Posts tagged “javascript”

Handle Missing YouTube Transcripts Gracefully

Learn how to detect, handle, and recover from missing or disabled YouTube transcripts in your API pipeline with Python and JavaScript examples.

David Boulen · 7/28/2026 · 8 min read

From Transcript JSON to Clean Text: Parsing Tips

Raw YouTube transcript JSON is noisy and unpunctuated. Learn how to strip artifacts, merge segments, and prepare clean text for LLMs, search, and NLP.

David Boulen · 7/17/2026 · 9 min read

Generate SRT and VTT Subtitles from YouTube Videos

Convert YouTube transcript JSON into SRT and VTT subtitle files with Python and JavaScript. Includes timing format gotchas, line-length rules, and accessibility best practices.

David Boulen · 7/8/2026 · 10 min read

5 OSS YouTube Transcript Libraries and Their Limits

Compare the top open-source YouTube transcript libraries—youtube-transcript-api, yt-dlp, pytube, and more—plus when to switch to a managed API.

David Boulen · 7/7/2026 · 7 min read

Extract YouTube Subtitles in Node.js: A Practical Guide

Learn how to fetch YouTube subtitles in Node.js using async/await, handle errors and rate limits, convert JSON to SRT/VTT, and batch requests safely.

David Boulen · 6/23/2026 · 8 min read