| What it does | Measure PDF plans in your browser
| Read papers. Keep what you learn.
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: desktop app and self-hosted server. Lite: $2/month or $20/year. Plus: $5/month or $50/year. Pro: $20/month or $200/year.
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| Key features | - Measure distances point to point with snapping to walls and corners
- Calculate area and perimeter of any room or shape including odd corners
- Measure angles such as corners, stair pitch and roof slope
- Count fixtures, outlets and columns with totals across sheets
- Add callouts with leader lines, text boxes and sticky notes
- Create revision clouds, arrows, dimension lines and redlines
- Overlay and compare two sheets with tinting to see changes
- Works on Mac, Windows, Linux, iPad, Android and phones with no install
- Set scale from title block or calibrate from known dimension
| - Highlight, draw, and annotate on PDFs with every mark becoming a note
- Outliner with live Markdown and LaTeX for mathematical notation
- AI chat to ask questions about papers with cited answers
- Full-library search across notes, highlights, and all PDFs
- Shared workspaces with live cursors and comments for collaboration
- Works offline on iPad, Android, and desktop with automatic sync
- Integrations with Zotero, Obsidian, Logseq, and Notion
- Browser extension for one-click saving papers with metadata
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| What makes it different | - Entirely browser-based with no file upload to servers
- Completely free with no account, trial period or watermark required
- Measurements saved in PDF coordinate space for precision when zooming
- Work saves in browser local storage and reopens with the file
- Works on touch screens with bottom dock and larger targets
| - Self-hosted option with one Docker image for full control over data
- Live math support with Markdown and LaTeX directly in outliner notes
- Works on any device: Windows, macOS, Linux, iPad, Android, and browsers
- No vendor lock-in with SQLite files and export at any time
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 8 | 9 |
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| Referring domains (Majestic) | 4 | 1 |
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PDF Measure
Gamma PDF