TL;DR: "Summarize a video" is really three different jobs — a public YouTube link, a file you recorded, and a live call — and the tool that wins one loses the others. Here is the honest map of which summarizer owns which, with verified prices and where each one stops.
An AI video summarizer transcribes a video's audio (or reads its existing captions) and passes that transcript to a language model that returns the gist — a few key points, a chapter breakdown, or a timestamped bullet list. The quality ceiling is the transcript: clean captions summarize well, noisy audio summarizes badly, and every tool in this category shares that constraint. What separates them is the source they are built for. Summarizing a YouTube link you found, summarizing a file you recorded and uploaded, and capturing a live Zoom call are three different problems, and reaching for the wrong tool means fighting it.
I run Kompozy, so I will be direct about the bias and the boundary: Kompozy is not a video summarizer — it does not read a video back to you — so it is last on this list, framed for what it actually does, and the genuine summarizers hold the top slots. The eight tools below are grouped by job (link summarizers, upload/transcript tools, meeting note-takers, and general-purpose LLMs), priced against how you would really run them, and honest about where each stops. Prices were verified in September 2026 and shift often — most tools meter usage per tier, so confirm current rates on each vendor page before you buy.
#1 · Free YouTube/web link summarizer with batching · Free; from ~$9/mo Pro
NoteGPT
Verdict: The best free starting point for public videos — paste a URL, no login, and it can summarize a queue of videos at once.
Best at: Paste a YouTube or web link and get a structured summary with timestamps in under a minute, free and without an account. It draws on models like ChatGPT and Claude, handles videos without their own subtitles, can batch-summarize several videos in one pass (up to 20 at a time on its higher tiers), and supports 40-plus languages — the most generous free lane for anyone processing a lot of public video.
Limit: Built for public links and uploads, not live meetings — no bot that joins a call. Free usage has soft limits, batch size is smaller on the entry paid tier than on top-tier plans, and like every tool here the summary is only as good as the transcript it can pull.
#2 · YouTube summary panel (extension + mobile) · Free (limited); ~$5–7/mo Premium
Eightify
Verdict: The most convenient YouTube summarizer — a key-ideas panel that lives on the video page itself.
Best at: Eightify's Chrome extension drops a timestamped summary panel directly onto the YouTube page you are watching, with a quick overview or a bullet list of key ideas, each with timestamped navigation linking back to its moment. Output in 40-plus languages, an iOS/Android app for summarizing on the go, and zero context-switching make it the smoothest fit for heavy YouTube viewers.
Limit: YouTube-first — it is not built for uploaded files or meetings, and the free tier caps daily summaries. Pricing shifts by region and billing cycle, so confirm the current rate on the extension before subscribing.
#3 · Transcript-first summarizer for uploads · Free; ~$13.60/mo Pro (~$8/mo annual)
Notta
Verdict: The pick when you need the full transcript and the summary — accuracy over a quick skim.
Best at: Notta transcribes an uploaded file (or a live recording) into a detailed transcript first, then summarizes from it, so you keep both the exact record and the highlights. Pro unlocks about 1,800 transcription minutes a month with AI summaries, exports, and translation — the right tool when you must quote precise lines, not just the gist, and when the source is your own footage rather than a public link.
Limit: Transcription minutes are metered per tier, so heavy users hit the cap. It is a transcription-and-summary tool, not a YouTube-panel extension — you bring the file to it.
#4 · Meeting recorder + AI summary · Free (unlimited recording); from ~$18/user/mo Pro
tl;dv
Verdict: Best free option for live-call summaries — it records and summarizes Zoom, Meet, and Teams for nothing.
Best at: tl;dv sends a bot into your call, records and transcribes it across Zoom, Google Meet, and Teams, then delivers a summary with action items minutes after it ends. Its free-forever plan is unusually generous — unlimited recording and transcription in 30-plus languages — with AI summaries capped on free and unlimited on paid. The strongest value for anyone who mainly needs meeting recaps.
Limit: Built for live meetings, not public YouTube links or arbitrary uploads. Free plan limits how many AI summaries you get, and recording a call requires participant consent in many jurisdictions.
#5 · Meeting note-taker with search + CRM sync · Free; from ~$10/user/mo Pro (annual)
Fireflies.ai
Verdict: Best meeting summarizer for teams that need searchable transcripts and CRM integrations, not just a recap.
Best at: Fireflies joins your calls, transcribes and summarizes them, and layers on conversation search, topic tracking, and integrations into CRMs and team tools — useful when meeting summaries feed a sales or ops workflow rather than sitting in an inbox. The free tier transcribes any number of meetings, capped at 400 minutes of stored recordings; paid tiers add storage, downloads, and AI credits.
Limit: Meeting-focused, so it is the wrong tool for a YouTube link or a raw uploaded video. The free plan caps stored minutes and blocks transcript downloads, and AI features are credit-metered on paid tiers.
#6 · Source-grounded summarizer for a YouTube link or uploaded audio · Free; Google AI Pro/Ultra for higher limits
NotebookLM
Verdict: Best when you want a summary you can interrogate — cited back to the exact source, not just a one-shot recap.
Best at: Google's NotebookLM (renamed Gemini Notebook in July 2026, though the NotebookLM name and links still work) takes a YouTube video link or an uploaded audio file as a source (alongside docs and links) and lets you summarize it, ask follow-up questions, and get answers cited back to the material — so you can verify every claim against where it came from. Stronger than a one-shot summarizer when the video is research you need to reason over, not just skim.
Limit: It is a research-and-summary tool, not a bulk YouTube-link processor or a meeting bot, and it produces notes and audio/video overviews you mostly consume in-app — no brand voice, no scheduling, no multi-platform publishing.
More →#7 · General-purpose LLM summarizing a pasted transcript · Free; $20/mo (Plus / Pro tiers)
ChatGPT / Claude (with transcript)
Verdict: The most flexible summarizer if you already have the transcript — you control the prompt, the format, and the depth.
Best at: Pull a video's transcript (from the platform's captions or a transcription tool) and paste it into ChatGPT or Claude with your own instructions: a three-bullet overview, a timestamped clip list, a thread, or a study guide. Total control over the output shape and follow-up questions, and it costs nothing if you already pay for the assistant.
Limit: It does not fetch or transcribe the video for you — you supply the transcript — and there is no browser panel, no batching, and no meeting bot. Long transcripts can hit context limits, and it will invent details, so verify before trusting.
More →#8 · Not a summarizer — the engine that acts on the summary · $99/mo Starter
Kompozy
Verdict: Not a video summarizer: it does not read a video back to you. It is the production-and-publishing engine you point at the moments a summarizer flagged.
Best at: Kompozy is last here on purpose — it belongs to a different category. A summarizer answers "what's in this video?"; Kompozy answers "now turn the good parts into published content." Feed it the same long video and it generates net-new output across 18 formats — Clipped Shorts from the moments you flagged, brand-exact Carousels and Quote Graphics from the key-ideas list, a Blog Article and Email Newsletter recap, persona and avatar video — all held to one written Persona Brief, then schedules and publishes across the eight social platforms plus blog and email with a per-post review gate. Where the summarizers help you consume a video, Kompozy helps you produce from it.
Limit: Honest limit: it will not summarize a YouTube link, transcribe a meeting, or hand you a read-once recap — for those jobs, use one of the seven tools above. Kompozy is the layer downstream of the summary, not a replacement for it.
More →What is the best AI video summarizer in 2026?
It depends on the source. For public YouTube links, NoteGPT (free, with batching) and Eightify (an on-page extension) win. For your own recorded files where you need the transcript too, Notta is the pick. For live meetings, tl;dv and Fireflies join the call and summarize it. There is no single best tool — match the tool to whether you are summarizing a link, an upload, or a call.
Is there a free AI video summarizer?
Yes. NoteGPT summarizes YouTube links free with no login and can batch several at once; Eightify gives limited free daily summaries through its extension; tl;dv's free-forever plan records and transcribes unlimited meetings with a cap on AI summaries; and NotebookLM has a free tier. If you already have a transcript, pasting it into ChatGPT or Claude's free tier works too.
Can AI summarize a Zoom or Teams meeting?
Yes — a meeting note-taker bot joins the call, records and transcribes it, and sends a summary with action items minutes after it ends. tl;dv, Fireflies, and Otter all do this across Zoom, Google Meet, and Teams. Get participant consent before recording; several jurisdictions require all-party consent.
Are AI video summaries accurate enough to trust?
Accurate enough to decide what to watch and to map a video's structure, but not to quote unchecked. Summaries compress nuance, sometimes misattribute who said what, and occasionally invent a claim. Verify any specific figure or statement against the transcript or the cited timestamp before you publish or act on it — and expect lower accuracy on noisy or non-English audio.
Is Kompozy an AI video summarizer?
No, and it is listed last here for exactly that reason. Kompozy does not read a video back to you — it is a content generation and publishing engine. You use a summarizer to find the moments worth keeping, then Kompozy turns them into finished output: clipped shorts, carousels, quote graphics, a blog recap, a newsletter, and persona video, scheduled and published across the eight social platforms plus blog and email. It is the step after the summary, not the summary.
If you produce across three or more output formats, Kompozy is the consolidation pick: one Persona Brief, one credit line, every format covered. If you only work in one format, the vertical specialist in that lane is cheaper and tighter.