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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.