Your Ideas.
Unfiltered.
A private space for raw thoughts, creative sparks, and unfinished ideas. Capture them fast, then work through them with Pinky when you're ready.
Your best ideas don't happen at your desk
They hit you on the train, in the middle of the night, during a conversation that veers somewhere unexpected. You need a place that keeps up with the way your mind actually works — messy, nonlinear, alive.
Capture
Catch anything, anywhere
Text, voice, images — whatever form your idea takes. Blackbook captures it instantly across all your devices. No friction, no formatting required. Just get it down before it's gone.
Organize
Your way, not some rigid system
Nest ideas inside ideas. Build trees of thought. Rearrange everything when your thinking shifts. Blackbook bends to your creative process — not the other way around.
Pinky
Work through ideas with Pinky
When a note is rough, Pinky helps you explore it. Ask questions, unpack a messy brain dump, or turn a loose thought into something more structured without leaving Blackbook.
How it works
Dump it
Open Blackbook and drop in a note, voice memo, or image. No templates, no setup.
Explore it with Pinky
Ask Pinky to help you clarify a rough note, connect related thoughts, and shape the next step.
Across your devices
Web, desktop, and Android stay in sync so your notes are ready wherever you pick them up next.
Your next idea is waiting
Free to start. Available on web, Mac, Windows, Linux, and Android.