Intuitive PDF tools. Real-time markups. All platforms. Any device. Drawboard PDF makes document collaboration effortless.
From markup to collaboration, Drawboard PDF covers every step of your document workflow.
Pen and paper-like markup experience with pressure-sensitive ink, smooth strokes, and instant response across all devices.
Annotations sync in real time across Windows, macOS, iOS, Android, and web — always in perfect harmony.
Invite unlimited contributors to review, comment, and annotate documents together without any seat limits on the free tier.
Professional-grade length, area, and protractor tools designed for architects, engineers, and construction teams.
Permanently redact sensitive content, apply watermarks, and flatten annotations to lock your documents down.
Connect Google Drive, OneDrive, SharePoint, and Dropbox. Your files stay where you work, always accessible.
Drawboard PDF's ink engine is engineered for precision. Whether you're reviewing contracts, marking up blueprints, or annotating research papers, every stroke feels natural.
Start on your Windows desktop, continue on your iPad, finish on the web. Drawboard PDF follows you everywhere without missing a beat.
Rated 4.7 stars by over 13,000 users on the Microsoft Store.
"Drawboard PDF is an amazing app — the most reliably fast and responsive PDF app on my device. Annotation tools are intuitive and powerful."
"The ink quality is unmatched. I use it every day for marking up architectural drawings. The measurement tools alone are worth the subscription."
"Finally a PDF tool that works the same on my Surface and my iPhone. Live sync means my team always has the latest version."
Connect Drawboard PDF to the apps your team already uses.