5tldr turns any YouTube video into a learning pack: 5 key takeaways, bilingual subtitles in your language, 10 vocab cards, and a 1-minute quiz. Paste a link, get back a study-ready pack you can save, export, or share.

Yes. The free plan includes 10 learning packs per day plus 3 PDF summaries per day. You can save up to 3 packs to your inbox. A free account is required, but no credit card.

Which languages can I get the learning pack in?

The user interface and learning-pack output are available in 7 languages: English, Chinese, Portuguese, Spanish, Arabic, Hindi, and Indonesian. Bilingual subtitles always pair the original English with your chosen language.

What is the lifetime deal?

5tldr is being rebuilt in public. Early supporters can buy lifetime Pro access for $149 (one-time) instead of paying monthly. The price goes up to $199 after the public launch.

新增：双语字幕 + 生词卡 + 小测，一个学习包打包给你

把任意 YouTube 视频，变成一份学习包。

5 条要点 · 双语字幕 · 10 张生词卡 · 1 套小测 —— 学英语 / 学技术 / 学知识都能用，支持 7 种语言。

免费每天 10 个学习包支持 7 种语言对照无需信用卡

5tldr · result preview

youtube · 18 min · learning pack ready

How HTTP/3 with QUIC actually works

5 takeaways — the classic 5tldr.

HTTP/3 swaps TCP for QUIC, a UDP-based transport with built-in TLS 1.3.
QUIC removes TCP head-of-line blocking by giving each stream its own loss window.
Connection IDs let a session survive a Wi-Fi → cellular handover with no reconnect.
0-RTT resumption means repeat visits skip the round-trip handshake entirely.
Adoption is now ~30% of all web traffic and rising fastest on mobile.

5 takeaways · ready in ~10 secondsFree plan · 10 / day

Takeaways per pack

Bilingual languages

Vocab cards per pack

Quiz per pack

One pack, many ways to learn

Built for whatever you watch on YouTube

Same learning pack — 5 takeaways, bilingual subtitles, 10 vocab cards, 1 quiz — tuned to whichever way you learn from a video.

Technical pack

Engineers learning new tech

Paste a conf talk or a tutorial

Get 5 takeaways with code-relevant terms, plus a quiz to check you actually understood it.

Bilingual pack

ESL learners

Paste any English YouTube video

Bilingual subtitles in your language, 10 vocab cards exportable to Anki, 1 quiz to lock the lesson.

Lecture pack

Students & self-learners

Paste a Khan Academy or MIT OCW lecture

Outline + key terms + 5 questions you'll be asked on the test, ready to drop into your notes.

Capture pack

Creators & PMs

Paste a podcast interview or product demo

5 takeaways straight into Notion/Obsidian. Quote-grade citations attached, never lose a YouTube insight again.

See full feature comparison

Why people upgrade to Pro

Three things free packs can’t do

Pro turns 5tldr from a TL;DR generator into a daily learning loop: bilingual subs, vocab cards, Anki export, and 10× the daily packs.

Bilingual subtitles + vocab cards

Get every video paired with subtitles in your language plus 10 contextual vocab cards. Free packs are takeaways-only; Pro unlocks the full bilingual learning layer.

Sample · vocab card

head-of-line blocking · 阻塞队首
ex: TCP suffers head-of-line blocking when one packet is lost.
→ Anki · CSV · Markdown — one click

Export to Anki / Markdown / PDF

One click sends the whole learning pack to Anki for spaced repetition, Notion / Obsidian for permanent notes, or a clean PDF for review.

Sample · pack.md

# 5 Takeaways · How HTTP/3 with QUIC actually works
1. QUIC removes TCP head-of-line blocking ...
## 10 Vocab cards (Anki-compatible)

10× more learning packs / day

100 packs per day instead of 10. 50MB PDFs instead of 10MB. Unlimited inbox saves vs only 3 on free — keep every learning pack you build.

Daily quotas

Free · 10 packs / day · 10MB PDFs · 3 inbox saves
Pro · 100 packs / day · 50MB PDFs · unlimited inbox
Pro · Anki · Markdown · PDF export included

See Pro plan

$12.99/mo · cancel anytime · or grab a $149 lifetime deal below

Simple, transparent pricing

Start free. Upgrade when you need more.

Free

$0no card

10 summaries/day
YouTube & Article
Save up to 3 to inbox

Pro