What's the best tool to summarize a YouTube video? (2026 comparison)

"Summarize a YouTube video": type that into Google and you'll find a dozen tools. Which one should you pick? Rather than selling you ours straight away, here's an honest comparison of the main tools in 2026 — their strengths, their limits, and what each one is best for.

The criteria that actually matter

Before comparing, let's ask the right questions. A good tool is more than "making a summary":

• Ratings: does the tool tell you whether a video is worth your time (anti-fluff rating), or just summarize without judging the form?
• Summary quality and a full transcript, not just a few bullet points.
• Key moments: can you jump straight to the parts that matter?
• Translation: can you summarize an English video and read it in your language?
• Chat: can you ask questions directly to the video?
• Sharing: can you share your selection (public profile)?
• Library, price, privacy, and YouTube integration (extension).

The comparison at a glance

Legend: green = yes · yellow = partial or limited · red = no. Tool-by-tool details below.

Sumyt

Where others just summarize, Sumyt first tells you whether the video is worth your time: each video gets a Concision rating (by AI, measuring fluff) and a Value rating you give. That's its real angle: getting to the point. It summarizes, transcribes and translates into 99+ languages, extracts the "key moments" (a trailer of the parts that matter), lets you chat with the video, and files everything in a searchable library. You can even publish your selection on a shareable public profile (sumyt.net/u/your-handle). Chrome/Edge extension, audio playback, private data hosted in Europe, and among the cheapest: 5 free videos/month, then €5/month.

Eightify

Eightify is a popular extension that generates summaries and timestamped "key insights", with a chat. It's fast and well integrated into YouTube. However, translation is more limited, there's no real searchable library, and the price is higher (around $8–10/month). A good pick if you just want a quick summary while watching.

NoteGPT

NoteGPT goes beyond YouTube: it also handles PDFs and articles, and offers flashcards and mind maps — handy for studying. Its note library is solid. However, it doesn't offer meaning-based search across your whole collection like Sumyt, and the interface can feel busy. A good pick for students who want revision tools.

Glasp (YouTube Summary with ChatGPT)

Glasp is free and shows the raw transcript, with a button that sends it all to ChatGPT for the summary. It's a handy free fix, but there's no polished built-in summary, no translation, no searchable library. A good pick if you just want the transcript for free and handle the summary yourself.

Summarize.tech

Summarize.tech is the simplest: paste a link, get a summary, for free. No account, no advanced features — no chat, no full transcript, no library. Perfect for a quick one-off summary without installing anything.

NotebookLM (Google)

NotebookLM, by Google, is free and powerful: chat over your sources and even an "audio overview" in podcast style. But it isn't YouTube-specialized, doesn't integrate into the YouTube page, and takes more steps to summarize a video in one click. Excellent for analyzing a set of sources, less practical for the daily "summarize this video" reflex.

How to choose?

• You just want a quick, free one-off summary: Summarize.tech or Glasp.
• You want revision tools (flashcards): NoteGPT.
• You want a quick summary while watching: Eightify.
• You want to know if a video is worth your time (anti-fluff rating), keep the best and share it: Sumyt.

In short

There's no "best" tool in absolute terms: it all depends on your use. For a quick fix, the free tools are enough. But if you want to save tons of time on YouTube — know what's worth it before watching, translate, question and share the best videos — that's exactly what Sumyt is built for. You can try it free: 5 videos a month, no card required.