AI Use Cases

Chat & research · by Eightify

Eightify

A browser extension that summarizes YouTube videos into key ideas with timestamps.

+ Summaries appear next to the video with timestamped sections, so you can jump straight to the part you care about.
− Free summaries are capped per week and the extension is YouTube-only.

Free tierchrome-extensionios

Open Eightify ↗ best for: skimming long YouTube videos

Evidence

rank #174 of 257
9evidence score / 100
0Hacker News stories, 30d · query "Eightify"
0mentions in our release feed, 30d
–days since last activity
Ranked forSummarize articles, videos & threads

Eightify alternatives

All 8 alternatives →
1
AssemblyAI Free tier
A speech-to-text API with diarization, sentiment, chapters and an LLM layer for summarizing transcripts.

+ Strong accuracy plus built-in audio intelligence (speaker labels, chapters, PII redaction) and LeMUR for asking questions of a transcript.
− No consumer app, and per-hour pricing adds up on high volumes compared with self-hosted Whisper.

Free credits; then per hour of audioapi
31▲ 21
evidence / 100
2
NotebookLM Free tier
A grounded research notebook that answers only from the sources you upload and can turn them into Audio Overview podcasts.

+ Answers are grounded strictly in your uploaded PDFs, Docs, URLs and YouTube videos with citations, and Audio Overviews turn them into a two-host podcast.
− Sources are capped per notebook and the free tier limits daily queries and audio generations.

Free; NotebookLM Plus via Google AI Pro $19.99/mowebiosandroid
17▲ 16
evidence / 100
3
Notion AI Free tier
AI built into Notion that writes, summarizes, autofills database properties and answers questions across your workspace and connected tools.

+ Q&A searches your whole Notion workspace plus Slack and Google Drive, and AI autofill keeps database summaries current.
− Since 2025 the full AI is bundled only into the Business tier, which is a steep jump for small teams.

Included in Business plan $20/user/mo (annual)webmacwindowsiosandroid
11▲ 2
evidence / 100
4
Glasp Free tier
A social web highlighter with AI summaries of articles and YouTube videos that feeds your highlights into a personal knowledge base.

+ One-click YouTube transcript and summary plus highlight export to Notion, Obsidian and Readwise.
− The social feed and public highlights by default are not what everyone wants, and the AI features feel bolted on.

webchrome-extensionios
10▲ 1
evidence / 100
5
Wordtune Free tier
A rewriting tool that offers multiple alternative phrasings per sentence, plus summaries of articles and PDFs.

+ Shows several rewrite options per sentence so you keep authorship instead of accepting one AI version.
− Free plan allows only a handful of rewrites per day.

Advanced from $9.99/mowebchrome-extensionios
10▲ 1
evidence / 100