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字幕、キャプション、YouTubeビデオをもっと活用するための実用ガイド。

How to Download a YouTube Transcript as Plain Text

Need the words from a YouTube video without timestamps or formatting? Here are four ways to download a YouTube transcript as clean, copy-ready plain text.

2026-04-16 · 7 min read

The VTT Subtitle Format: A Complete Guide to WebVTT Syntax, Features, and Usage

WebVTT is the W3C standard for timed text on the web. This guide covers the full file format — headers, timestamps, cue settings, styling — with real examples and common pitfalls.

2026-04-16 · 8 min read

How Long Do YouTube Auto-Captions Take? Processing Times Explained

Auto-captions usually appear within 5 to 30 minutes of upload, but video length, audio quality, and server load can push that to several hours. Here's the full breakdown.

2026-04-16 · 6 min read

YouTube Caption Search: Real Data, Real Examples, Honest Comparison

A researched introduction to Grab Captions' caption search, with live query numbers, real video examples, and an honest comparison with YouTube's transcript panel and manual search workflows.

2026-04-08 · 7 min read

Introducing Looplines: Learn English from YouTube Videos

We built a tool that turns any YouTube video into an English lesson. Paste a link, click any word in the subtitles, save vocabulary, and practice with AI-generated exercises.

2026-04-07 · 6 min read

Introducing the Grab Captions Chrome Extension

We built a Chrome extension that adds subtitle downloads directly to YouTube. Here's what it does, why we built it, and how it works under the hood.

2026-04-05 · 4 min read

How to Turn a YouTube Video into a Blog Post

A 10-minute YouTube video contains roughly 1,500 words of content. Here's how to turn that transcript into a blog post that actually reads well.

2026-04-02 · 7 min read

How to Actually Use YouTube Captions for Language Learning

YouTube has more free language content than any course. Captions turn passive watching into active study — here's a concrete system for doing it right.

2026-03-18 · 9 min read

YouTube Auto-Captions: How Accurate Are They, Really?

YouTube's auto-captions have improved dramatically, but they still fail in predictable ways. Here's what to expect and when to trust them.

2026-03-05 · 7 min read

SRT vs VTT: Which Subtitle Format Should You Use?

SRT and VTT are nearly identical — but 'nearly' matters when your subtitles break in production. Here's what's actually different and when it matters.

2026-02-20 · 6 min read

How to Download YouTube Subtitles: 4 Methods Compared

Compare four different ways to download YouTube subtitles — from one-click online tools to command-line power tools — and pick the right one for your workflow.

2026-02-12 · 8 min read