| Key features | - Merge, split, compress, convert, rotate, unlock and watermark PDFs
- PDF editor with annotation, highlight, redact and form filling
- Browser-based processing with no file upload for core tools
- Works on all modern browsers and mobile devices
- No account or signup required
- Unlimited file processing for core tools
- Supports PDF, Word, Excel, PowerPoint and image formats
| - 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
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| What makes it different | - No signup or watermarks on any tool
- Files processed entirely in browser for privacy
- 57 tools covering organize, optimize, convert, edit and security
- Blazing fast with no upload round-trips
- Ad-supported model keeps all tools permanently free
| - 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
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PDFly
PDF Measure