One workspace to write, draw, and ship at the speed of thought.
A blazing-fast rich text editor, an infinite collaborative whiteboard, and smart file compression — all in one beautifully crafted workspace built for makers and modern teams.
Free forever · No credit card · Local-first
Trusted by builders at
A productivity stack, reimagined.
Stop juggling tabs. Lumen unifies writing, drawing, and shipping into one buttery-smooth experience.
Rich text editor
Notion-grade editor with slash menu, drag handles, tables, and live collaboration.
Infinite whiteboard
Excalidraw-powered canvas for diagrams, wireframes, and visual thinking.
Smart compression
Compress images, PDFs, and folders right in your browser — privately.
Real-time collab
Multiplayer cursors, comments, and presence across every surface.
Local-first & fast
Offline by default. Sub-50ms keystroke latency on any device.
End-to-end privacy
Your files never touch our servers unless you choose to share.
AI co-writer
Inline rewrites, summaries, and translation powered by Claude.
One workspace
Editor, whiteboard, and compressor live under one roof — and one shortcut.
Keyboard-first
Every action mapped to a shortcut. Mouse optional.
Three superpowers, one shortcut away.
Switch between writing, drawing, and compressing without losing flow or context.
Write at the speed of thought
- ✓Slash menu, block drag handles, and 80+ shortcuts
- ✓Markdown shortcuts, tables, code blocks with syntax highlighting
- ✓Inline AI rewrite, summarize, translate
- ✓Live collaboration with presence and comments
Used by teams who ship.
From indie hackers to growing teams — Lumen is the workspace they come back to.
“Lumen replaced Notion, Excalidraw, and three compression sites in our stack. Zero regrets.”
“The slash menu is faster than every editor I have used. My team writes specs 2× quicker.”
“Whiteboard + docs in one canvas changed how we run product reviews.”
“Client-side compression is the feature I didn’t know I needed. 90% size drop, zero quality loss.”
“Buttery animations, sane shortcuts, and works offline. Chef’s kiss.”
“The only writing tool that respects my keyboard muscle memory.”
Simple, honest pricing.
Start free. Upgrade only when you need more. Cancel anytime.
Free
For the curious and the solo.
- Unlimited docs and boards
- Local-first storage
- Client-side compression
- 1 collaborator
- Community support
Pro
For makers who ship daily.
- Everything in Free
- Unlimited collaborators
- Real-time multiplayer
- Version history (90 days)
- AI co-writer (Claude)
- Priority email support
Team
For teams that move fast.
- Everything in Pro
- SSO & SCIM
- Audit log + admin console
- Unlimited version history
- Custom branding
- SLA + dedicated CSM
Frequently asked questions.
Ready to ship better, faster?
Join thousands of makers using Lumen as their thinking and shipping engine. Free forever — no credit card required.