| 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
| - Open .p7m and .xml invoice files directly in browser
- View complete invoice details including tax rates and payment terms
- Print invoices with optimized formatting
- Save invoices as PDF
- View digital signature information
- Download invoice attachments
- Works offline as installable app
- Supports multiple platforms: Windows, Mac, Linux, Android, iOS
- No registration required
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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
| - Files never leave your device - processed locally in browser only
- Completely free with no hidden costs or limitations
- No software installation needed
- Detailed error messages for troubleshooting
- Privacy-focused with no ads or tracking cookies
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