Capture
Turn any content into structured knowledge
Summarize YouTube
TL;DR + key takeaways in seconds
Transcribe YouTube
Full searchable transcript with timestamps
Translate YouTube
Any video in 130+ languages
PDF Summarizer
Research papers, contracts, board packs
Voice Notes
Record, transcribe, structure ideas
Interact
Get more from what you've captured
AI Chat
Chat with any source — grounded with citations
Deep Dive
Timeline, entities, data tables, Q&A
Connect
Use your knowledge in every AI you work with
MCP Integration
Your pod inside Claude, ChatGPT, any AI
Chrome Extension
Bring Summify into every page you read
pair of coordinate systems for a Schwarzschild geometry, adapted to radial null geodesics
PBS Space Time
Mentioned as a coordinate choice that removes the coordinate singularity at the event horizon and makes it smooth to cross mathematically.
