Posts tagged “python”

Sentiment and Topic Analysis on YouTube Transcripts

Fetch clean transcript JSON, run transformer-based sentiment scoring and keyword extraction, then aggregate results across a channel or playlist in Python.

Zied · 7/31/2026 · 7 min read

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.

Zied · 7/28/2026 · 8 min read

Summarize Entire YouTube Playlists with AI

Fetch every video in a YouTube playlist, batch-pull transcripts via API, chunk the text, and pipe it into an LLM to produce per-video and full-playlist summaries.

Zied · 7/24/2026 · 8 min read

Multilingual YouTube Subtitle Translator API

Fetch YouTube transcripts as JSON, pipe segments into DeepL or GPT, and export SRT/VTT subtitles in any of 125+ languages. Step-by-step with Python and Node.js.

Zied · 7/20/2026 · 9 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.

Zied · 7/17/2026 · 9 min read

Caching YouTube Transcripts to Cut API Costs

Learn how to cache YouTube transcript API responses in Python to reduce credit usage by 70-90%, with TTL strategies, cache key design, and invalidation patterns.

Zied · 7/12/2026 · 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.

Zied · 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.

Zied · 7/7/2026 · 7 min read

YouTube Transcript API: Build a Video Summarizer with GPT

Build a YouTube video summarizer API with GPT: fetch clean transcripts, chunk tokens, craft structured prompts, and cache results for production use.

Zied · 6/22/2026 · 11 min read

Why youtube-transcript-api Gets Blocked (and What to Do)

youtube-transcript-api breaks on cloud IPs due to ASN-level blocking & PoToken challenges. Learn the 3 failure modes and how to fix them.

Zied · 6/21/2026 · 8 min read