Annotate plan sets clearly
Use text, arrows, callouts, shapes, stamps, and comments to make scope questions and review notes visible on the sheet.
PDF markup for construction
PDF Markup Software for Construction
Construction drawings arrive as PDFs. ContractorCounter keeps markup, measurement, counts, and exports in one browser workspace so review work stays tied to the document.
Drawing Review
PDF plan set
Browser PDF markup
Scale calibration
Construction comments
PDF export
Measure after calibration
Set scale once, then measure and count directly on the PDF so notes carry useful quantities with them.
Share the marked-up PDF
Export clear marked-up drawings for coordination, internal review, client communication, or downstream estimating.
Common Questions
Short answers for contractors comparing markup, annotation, measurement, and review tools.
Can contractors mark up PDFs online?
Yes. ContractorCounter runs in the browser and supports common construction PDF markup workflows without requiring a desktop PDF editor.
Is ContractorCounter only for estimating?
ContractorCounter is focused on drawing markup, PDF annotation, calibrated measurement, counts, stamps, comments, and clean exports. Estimating can happen after the markup work is clear.
Does it work in the browser?
Yes. Contractors can open construction drawings, add markups, measure, count, and export without installing desktop-only PDF software.
Start with one drawing.
Mark up a PDF, calibrate scale, add comments, and export a clear review record.