Mark up fast
Add text annotations, highlights, freehand drawing, callouts, and measurements without leaving the document.
Native macOS PDF markup
Fast markups, clean takeoffs, and export-ready reviews.
Drawbridge is a native macOS PDF markup and takeoff app built for architects, designers, and engineers, with cloud markups, text annotations, highlights, freehand drawing, callouts, measurements, and fast save and export workflows.
- Apple Silicon Mac only
- macOS 13.0 or newer
- Built for drawing-heavy review workflows
Native app
Built for macOS, not a browser wrapper.
Markup toolkit
Text, highlights, freehand, callouts, and measurements.
Shareable reviews
Cloud markups and export-ready save workflows.
What it does
Focused tools for reviewing PDFs without the usual drag.
Stay in review mode
Built for architects, designers, and engineers who need a clear markup surface instead of a bloated document suite.
Save and export quickly
Keep revisions moving with fast save and export workflows aimed at real review sessions, not filing cabinets.
Use cloud-backed markups
The app supports cloud markups and related backend workflows for accounts, uploads, sessions, and realtime sync.
Quick start
Open a PDF. Mark it up. Keep moving.
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1
Open Drawbridge
Launch the app on an Apple Silicon Mac running macOS 13 or newer.
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2
Open an existing PDF or create a new one
Start from the drawing set, detail sheet, or review file you already have.
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3
Add markups
Use text, highlights, freehand drawing, callouts, and measurements to get comments out quickly.
Download
Install the latest macOS release.
Download the latest `.dmg`, open it, and drag Drawbridge.app into Applications.