Measure PDF drawings with confidence
Set the scale once and take distance, area, and angle measurements directly on the PDFs your team already uses.
Calibrate scale, measure precisely, and mark up the drawings you already receive — built for architects, engineers, contractors, and estimators. Free on Mac and Windows; unlimited hand-created measurements are a one-time $49.99.
Free with no trial timer. Hand-created measurements are capped at 3 per document.
Signed, notarized builds. Start free on your own drawings — upgrade only when you need unlimited hand-created measurements.
Free measurements per document
One-time license, no renewal
One license covers 3 computers
Secure checkout
What you can do on day one
Designed for architects, engineers, contractors, estimators, and reviewers working from PDF drawings.
Set the scale once and take distance, area, and angle measurements directly on the PDFs your team already uses.
Add callouts, highlights, shapes, and notes so site issues, design comments, and decisions are easier to communicate.
The free download — Mac or Windows — lets you test PolyPDF on live work before you unlock unlimited hand-created measurements.
Six distinct dark-mode states from the native-maximized current development app, shown full-frame on owned or rights-cleared validation sheets—not mockups.

Box a representative symbol, inspect the candidates, and commit only the matches you accept. This genuine search result shows 5 matches, all 5 selected, with Count 5 ready.
The Records view keeps the visible quantities beside their drawing context. This fictional takeoff shows 14 items: a 540 sq ft area, a 30 ft length, and 12 supply-diffuser counts, with matching rows in the Markup Table.

A rounded RFI callout, an In Progress revision cloud, and a Completed verification rectangle remain connected to three matching table rows and their review comments.

The Page Scale panel confirms 1/4 inch = 1 foot, or 18 PDF points per foot. A second known span on the fictional sheet reads 12 feet before the scale is trusted for takeoff.

The built-in MUTCD Regulatory reference chest is open with a genuine R1-1 STOP annotation selected inside its labeled target. The owned fixture is a fictional validation sheet, not a field plan.

Development evidence: the AISC Steel Sections plugin inserted a selected W24×55 vector into the fictional target. This is not a public-availability promise: AISC data redistribution rights remain unresolved, PDF Maps is blocked pending a production-compliant geocoder and request pattern, and Professional Seal Maker still requires human jurisdiction review. No map or seal output is claimed in this frame.

PolyPDF runs the same engine as a desktop app on macOS and Windows, focused on everyday review, markup, calibration, and takeoff workflows construction PDFs demand.
The Mac DMG and the signed Windows installer ship the same engine at the same version — open drawings directly, no VM or browser-only workaround on either side.
Distance, area, perimeter, angle, count, and dimension tools are built around the PDFs architects, contractors, and estimators already exchange.
Try real documents for free, then unlock unlimited hand-created measurements with one direct license that covers up to 3 computers.
Markup, review, calibration and Symbol Search auto-count stay free for as long as you want them. The only wall is the fourth hand-created measurement in a document. That is the moment Pro is for, and it costs $49.99 once.
$0
$49.99
Use PolyPDF 1.x forever on up to 3 Mac or Windows computers. Every PolyPDF 1.x update is included. Future major versions may be optional paid upgrades. Founder pricing is available until August 29, 2026 at 11:59 p.m. ET or after 100 fulfilled licenses, whichever comes first.
Secure Stripe checkout, license key emailed on payment. Generally non-refundable. Discretionary requests are reviewed within 14 days, and your statutory rights always apply.
Download free, test it on your own drawings, and pay once only if you want unlimited hand-created measurements.
Grab the Mac DMG or the signed Windows installer and open the full product, not a time-limited trial.
Calibrate scale and place up to 3 hand-created measurements in each document to confirm it fits your workflow.
If PolyPDF saves you time, buy the $49.99 Founder's License and keep using PolyPDF 1.x without a yearly fee.
Short answers to the buying questions that usually block a download.
You can download the app free on Mac or Windows, open your own PDFs, calibrate scale, use the markup tools, place up to 3 hand-created measurements in every open document, and use uncapped Symbol Search auto-count. That gives you a real-world test before you buy.
Yes. A license activates PolyPDF on up to 3 computers in any mix — three Macs, three Windows PCs, or any combination.
The Founder's License removes the hand-created measurement limit. Use PolyPDF 1.x forever on up to 3 Mac or Windows computers. Every PolyPDF 1.x update is included. Future major versions may be optional paid upgrades.
No. The PolyPDF Pro Founder's License is $49.99 once. There is no annual renewal, recurring maintenance bill, or subscription timer.
Checkout is handled securely by Stripe. Your license key is delivered by email, and you paste it into the app once — on Mac or Windows — to unlock unlimited hand-created measurements.
Open PolyPDF and choose Upgrade to PolyPDF Pro — it is in the PolyPDF menu on Mac (Command-Shift-L) and the Help menu on Windows (Ctrl-Shift-L). Paste the key from your email, which looks like PPM-XXXX-XXXX-XXXX, and click Activate. There is no restart and no reinstall, and the drawing you have open keeps everything already on it.
Purchases are handled through Stripe and PolyPDF support. Refund requests are reviewed under the refund policy, which also covers your statutory rights.
Download the app on Mac or Windows, test it on your own drawings, and unlock unlimited hand-created measurements for $49.99 only when you want to remove the cap.
Free with no trial timer. Hand-created measurements are capped at 3 per document.