Download comments from YouTube, Reddit, Amazon and 10 more sites to CSV, JSON or Markdown in one click. Then pull out the objections and the exact words your customers use.

Reddit threads, YouTube comments, Amazon reviews and ten more sources are where buyers say what they want in their own words. CommentGrab gets all of it into a file you can use, and then reads it for you.

One-click capture. Click the widget on the page and it loads the comments and their replies, with live progress.

Clean exports. CSV, JSON, Markdown or the clipboard, with author, score, permalink and thread depth as columns you can switch off.

Customer language. Your own OpenAI key turns a thread into objections, hooks, themes and the phrases people repeat.



Point your own OpenAI key at any saved thread. CommentGrab reads the comments and hands back nine kinds of insight. Every item copies in one click and every list regenerates on its own.
A summary, the sentiment split, hooks, objections and the phrases people repeat, laid out so you can copy them straight into an ad or a landing page.
Try it on a thread
What the thread is actually about, in a paragraph.
Positive, neutral and negative, split as a bar.
Scroll-stopping lines lifted from the replies.
Titled ad concepts with the copy, generated only when you ask, so you only spend tokens you choose to.
The doubts your buyers hesitate on.
What people feel, beyond what they type.
What they already tried and gave up on.
Verbatim phrases to paste into your copy.
Recurring topics, ranked by how often they come up.
Examples from one real r/ycombinator thread, 40 comments, analyzed with gpt-4o-mini.
API-backed sources are fetched from the extension's background worker. The rest are read straight from the page you're on.
We compared CommentGrab with seven exporters and scrapers, from ExportComments and Thunderbit to Apify. Most cap or meter the free tier, need an account, or run your exports on their servers. CommentGrab is free on all 13 platforms, and its code is public for anyone to audit.
There's no backend and no account. Scrapes, exports, saved threads and stats all live in your browser. The code is public, so you or your security team can read it and confirm what it does.
Comments are read from the page you're on, or from that site's own public API (Reddit, Hacker News, Steam) by the extension. There's no CommentGrab server to call. The one third-party service is api.openai.com, only when you start an analysis with your own key.
Pricing, limits, privacy and the complaints users post about each tool, checked against their own pages.
Install CommentGrab, open any supported thread, and export the thread in seconds. Free, source-available, no account.