About Drill

Learning shouldn't require 20 open tabs. Drill turns "I don't understand this" into a one-click deep dive — right where you're reading. We believe the best way to learn is to follow your curiosity in context, not to break your flow searching elsewhere.

Drill is not a general-purpose chatbot. It is a reading-first tool for dense material:

• In-context learning: Explanations appear right where you highlighted, not in a separate window
• Recursive depth: Every explanation can be drilled further, forming infinite knowledge trees
• Visual navigation: Three-layer viewport with zoom animations keeps you oriented at any depth
• Reading-first: You read, you highlight, you drill — no prompt engineering needed
• Code-friendly: Full syntax highlighting for programmers reading technical documentation
• Persistent trees: Every learning session is saved so you can revisit and continue exploring

Drill is built for people working through dense technical material: developers in documentation, students in papers, and self-learners in course notes. The common problem is not "I want to chat with AI"; it is "I need to understand this paragraph without losing my place."

The core learning loop in three steps:

• Paste any text or let AI generate a starter article on your topic
• Read and highlight anything you don't understand
• AI creates an inline explanation — drill into it for even more depth
• Zoom in to focus on a sub-topic, zoom out to return to the big picture
• Your entire knowledge tree is saved automatically
• Continue any session later to keep exploring
• Code blocks render with full syntax highlighting
• Works best with technical docs, academic papers, course notes, and long-form explainers
• Streaming AI output — start reading while it generates
• Dark and light mode for comfortable reading

• Your content stays private to your account and is used to generate explanations for you.
• We do not use pasted content to train models.
• You can request export or deletion of your data.
• Saved sessions exist so you can return to your knowledge trees later.