6 AI Apps to Summarize Notes in 1 Min

Studying smarter beats studying longer. These 6 AI apps turn messy lecture notes, long articles, or PDFs into short, clear summaries in seconds perfect when you're cramming or just want the key points fast.
Below you'll find what each app does best, pricing/limits, and a quick tip so you pick the right one for your workflow.

Otter.ai

Otter FREE transcribes audio and generates compact summaries and keywords. Upload a recorded lecture or record live Otter timestamps, highlights action items, and exports text.Key

Glean app

Glean is FREE built for students: it captures slides, recordings, and notes, then produces study-friendly summaries and highlights tied to classes and dates.

Perplexity / AI research assistants

AI research is a FREE assistants can summarize dense technical text into plain language and give short bullet lists of the main ideas and citations.

Notion AI

Notion AI FREE app, summarizes pages or selected text inside your workspace. It works well if you already use Notion — create a study database, then auto-generate concise summaries for each page

Smmry

Simple FREE web tools (Smmry-like) accept URLs or text and return a short paragraph or bullet summary. They’re minimal, fast, and free for short articles.

Readwise (with Reader)

Readwise collects highlights from articles, Kindle, PDFs, and then uses AI to summarize and resurface the most important points for spaced repetition.

Recorded lectures:

Otter.ai or Glean.

Organized workspace:

Notion AI.

Fast article cuts:

Smmry/TL;DR tools.

Deep/technical:

Perplexity-style assistants.

Long-term learning:

Readwise