Marginalia
PDF notes that remember their page, and hand off to your AI
Details
- External ID
- 1262782
- Source
- PH
- Company
- —
- Product
- Marginalia
- Website domain
- producthunt.com
- Launched
- Sept. 28, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.30815693820825313
- Tags
- Productivity, Open Source, Education, GitHub
- Fetched at
- Sept. 30, 2026, 1:01 a.m.
- Updated at
- Sept. 30, 2026, 1:01 a.m.
Description
Pull passages out of any PDF onto a notes canvas, write what you think, and link ideas with labels like "supports" or "contradicts". Click any note to jump back to its exact page. Export the whole map as AI-ready Markdown and give it to ChatGPT or Claude with the PDF. Free, open source, no account, and nothing leaves your browser.
Enrichment
- Theme
- document processing and generation tools
- Vertical
- Horizontal
- Function
- Workflow automation
- Audience
- Prosumer
- AI stance
- AI feature
- Project type
- Commercial product
- Normalized one-liner
- pdf note-taking app that connects with ai tools
- Manually corrected
- False
Could you build this?
Yes The core functionality can be implemented directly in the browser using PDF.js for rendering and text coordinates, paired with an open-source canvas library like React Flow or Tldraw.
Competitors
Other products that read as similar to this one — 144 launches clear the similarity bar, closest 8 shown.
Attention rank: #57 of 145 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 309 days after the earliest competitor.
- Mindmapi.ai · ph · 2026-09-12 · 2 upvotes · similarity 0.45
- Notee · ph · 2026-09-15 · 2 upvotes · similarity 0.44
- ConvertPDF · ph · 2026-09-28 · 4 upvotes · similarity 0.43
- MindMapAny · ph · 2026-09-11 · 1 upvotes · similarity 0.43
- PDF Translator AI · ph · 2026-09-15 · 1 upvotes · similarity 0.42
- mdprint · ph · 2026-09-22 · 2 upvotes · similarity 0.41
- TokDown · ph · 2026-09-23 · 2 upvotes · similarity 0.39
- ContextDeck · ph · 2026-09-23 · 1 upvotes · similarity 0.39
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a workflow automation tool for Real estate yet.