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Free PDF viewer for construction plans: calibrate scale, measure distances and areas, annotate drawings, export marked PDFs. No sign-up — files stay in your browser.

PlanSyncBrowser PDF viewer for plans: scale, measure, markup—no uplo
Abed Aarabileft a comment
We built a free construction PDF viewer that runs entirely in the browser: open a plan, match the sheet scale, measure (lengths, areas, angles), annotate, then export a marked PDF or other outputs. No sign-up — your file stays on your device; we’re not uploading your drawings to our servers. It’s for anyone who lives in PDFs: GCs, supers, engineers, detailers, owners/CMs, inspectors — basically...

PlanSyncBrowser PDF viewer for plans: scale, measure, markup—no uplo
