Your cognitive
second brain.
The ultimate AI Audio Transcriber & YouTube Summarizer. Capture meetings, PDFs, and videos into organized, searchable knowledge instantly.
Drop anything.
Get everything.
Audio recordings, YouTube videos, PDFs — Notlu's AI engine transforms any source into structured, searchable knowledge you can actually use.
Audio Recording
Team standup · 14:32 min
YouTube Video
'Deep Learning Crash Course' · 1.2M views
PDF Document
Research-Paper-Q4-2024.pdf · 28 pages
Notlu AI
Smart Summary
Key points & decisions extracted with full context preserved
Action Items
Auto-detected tasks, deadlines, and assignees ready for your workflow
Flashcards & Quizzes
AI-generated study materials for instant knowledge retention
Mind Maps
Visual concept maps showing relationships between key ideas
< 30s
Processing
95+
Languages
99.2%
Accuracy
∞
Sources
Everything you need to
master information.
Sonic Transcription
Real-time audio note taking with neural-engine accuracy. Transcribe meetings and lectures in 95+ languages.
YouTube Summarizer
Paste any video URL. Get structured summaries and extracted insights instantly. No more watching at 2x speed.
PDF Analysis
Upload research papers or contracts. Let Notlu's AI distill key insights, summaries, and action items.
Cognitive Recall
Semantic search that finds thoughts by intent. A true second brain for your digital life.
Loved by high performers.
Join thousands of founders, researchers, and creators who trust Notlu as their second brain.
"Notlu completely changed how I manage user interviews. The transcription accuracy is insane, and the summaries save me hours every week."
Sarah Jenkins
Product Manager @ Linear
"I used to drown in PDFs and lecture recordings. Notlu acts like a research assistant that instantly finds the connections I missed."
David Chen
PhD Candidate @ Stanford
"The YouTube summarizer is pure magic. I can digest long-form podcasts in minutes and extract the key takeaways for my newsletter."
Elena Rodriguez
Content Creator