https://www.polypdf.com/ 2026-09-08 weekly 1.0 https://www.polypdf.com/buy/ 2026-09-03 weekly 0.9 https://www.polypdf.com/build-a-plugin/ 2026-08-18 monthly 0.7 https://www.polypdf.com/blog/ 2026-09-07 weekly 0.8 https://www.polypdf.com/blog/polypdf-1-5-1/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/polypdf-1-5-1.png?v=1.5.1-23 PolyPDF 1.5.1 stamp canvas with REVIEWED heading, reviewer, date, and optional toolset saving Build a stamp from an empty canvas, arrange its fields, and choose which values to ask for at placement. This capture is from the signed 1.5.1 Mac app using fictional sample details. https://www.polypdf.com/blog/create-interactive-pdf-stamps/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/create-interactive-pdf-stamps.png?v=1.5.1-23 PolyPDF 1.5.1 interactive stamp builder showing a REVIEWED heading, Morgan Lee reviewer, automatic date, and checked Add to toolset option The actual 1.5.1 builder with a 300 × 180 pt canvas and three fields. REVIEWED is fixed, Reviewer is prompted, and Review date uses Current date. Morgan Lee is fictional sample data. https://www.polypdf.com/blog/calibrate-pdf-drawing-scale/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/calibrate-pdf-drawing-scale.png?v=1.4.3-20 PolyPDF dark-mode window showing an 18 PDF point per foot calibration and selected 12-foot verification measurement The Page Scale card reports 18 PDF pt per ft, and a second, independently drawn 216-point span reads 12′-0″ with its measurement style controls open. https://www.polypdf.com/blog/why-pdf-measurements-are-wrong/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/why-pdf-measurements-are-wrong.png?v=1.4.3-20 PolyPDF dark mode showing Scale Not set and a 360.00 PDF-point line over a printed 20-foot reference A line drawn over the printed 20′-0″ reference reads 360.00 PDF points, while Measurements › Scale and the footer both report that no scale is set. Until the page is calibrated, PolyPDF reports PDF points instead of real-world units. https://www.polypdf.com/blog/measure-pdf-area-cutouts-depth/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/measure-pdf-area-cutouts-depth.png?v=1.4.3-20 PolyPDF dark mode showing a turquoise curved and crosshatched demonstration area with two cutouts, 28,793.49 square feet net, and 1 foot 6 inch depth PolyPDF 1.4.0 with one curved area boundary, two cutouts subtracted from it, a 28,793.49 sq ft net area, a 1′-6″ depth, and the 43,190.23 cu ft volume that depth produces. The turquoise geometry is an example takeoff traced over a public-domain survey sheet. https://www.polypdf.com/blog/pdf-takeoff-worked-example/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/pdf-takeoff-worked-example.png?v=1.4.3-20 PolyPDF dark-mode takeoff with a 540 square foot area, 30 foot length, 12 count markers, Records panel, and Markup Table A small takeoff on a sample plan, with Measurements › Records and the Markup Table open beside it: 14 records covering one 540.00 sq ft area, one 30.00 ft partition length, and 12 Supply diffuser counts. Each record keeps its own subject, status, unit, and formula, so a reviewer can trace a total back to the rows that produced it. https://www.polypdf.com/blog/count-pdf-symbols/ 2026-09-03 monthly 0.8 https://www.polypdf.com/guides/count-pdf-symbols.png?v=1.4.3-20 PolyPDF dark-mode Symbol Search review showing five matched symbols, five selected candidates, and a Count 5 action Symbol Search in PolyPDF 1.4.0, paused at the review step after the matcher returned “5 matches — 5 selected”. Nothing reaches the document until you press Count, so this is the moment to include or exclude each candidate. https://www.polypdf.com/blog/pdf-markup-table-rfi-punch-list/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/pdf-markup-table-rfi-punch-list.png?v=1.4.3-20 A PolyPDF drawing review with an RFI callout, a revision cloud, a completed-work rectangle, and three matching Markup Table rows Three markups on a clinic coordination sheet — an Open RFI callout, an In Progress revision cloud, and a Completed verification rectangle — each with its own row in the Markup Table. Selecting a row reveals the markup it describes, so a review meeting can work straight down the register. https://www.polypdf.com/blog/compare-pdf-drawing-revisions/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/compare-pdf-drawing-revisions.png?v=1.4.3-20 Dark-mode PolyPDF comparison result with four violet revision clouds, one selected cloud, full cloud style controls, and four visible Markup Table rows PolyPDF 1.4.0 after comparing two revisions of a sample drawing: four violet revision clouds mark the regions that differ. One cloud is selected with its Line, Cloud, and Fill controls open, and every cloud has a matching row in the Markup Table. https://www.polypdf.com/blog/create-fillable-pdf-form/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/create-fillable-pdf-form.png?v=1.4.3-20 The PolyPDF Forms panel showing six field types beside a ten-field site inspection checklist The Forms palette holds all six field types you can author, next to a finished ten-field Site Inspection Checklist. That form uses three text fields, two choice fields, one radio group, and four independent checkboxes. https://www.polypdf.com/blog/ocr-scanned-pdf-drawings/ 2026-09-03 monthly 0.8 https://www.polypdf.com/guides/ocr-scanned-pdf-drawings.png?v=1.4.3-20 PolyPDF search panel showing three SURFACE results and a selected highlight on the U.S.S. Akron engineering scan after OCR Searching SURFACE in the saved, reopened PDF returns three results and highlights the selected one in yellow on the drawing. The recognized text is saved into the PDF, so the search still works after closing and reopening the file. https://www.polypdf.com/blog/digital-signature-vs-visual-signature-vs-seal/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/digital-signature-vs-visual-signature-vs-seal.png?v=1.4.3-20 PolyPDF Signatures panel showing a reopened signed drawing reported as Valid With Changes with level 3 permissions After saving and reopening the file, the Signatures panel reports Valid With Changes: the signed byte ranges are intact, and the later changes in the file are ones its level 3 certification policy permits. The drawing, names, and certificate shown throughout this guide are sample data. https://www.polypdf.com/blog/redact-and-sanitize-pdf/ 2026-09-03 monthly 0.8 https://www.polypdf.com/guides/redact-and-sanitize-pdf.png?v=1.4.3-20 PolyPDF showing a reopened redaction result with a black region and Search reporting no matches for CASE-ORCHID-742 After saving and reopening a sample file, Search reports no matches for CASE-ORCHID-742 and the black region stays on the page. The image beside it is untouched: redaction acts on text, not on pixels. https://www.polypdf.com/blog/prepare-issued-pdf-set/ 2026-09-07 monthly 0.8 https://www.polypdf.com/guides/prepare-issued-pdf-set.png?v=1.4.3-20 PolyPDF showing a five-sheet issue set with the Bates identifier ISSUED-IFC-0101 printed on sheet G-001 Sheet G-001 of a sample issue set, carrying the Bates identifier ISSUED-IFC-0101 in the footer after Apply. https://www.polypdf.com/blog/how-to-use-polypdf-collaboration-beta/ 2026-09-03 monthly 0.8 https://www.polypdf.com/guides/how-to-use-polypdf-collaboration-beta.png?v=1.4.3-20 PolyPDF Collaboration Beta settings over a sample drawing, with company connection, mounted share, signed history, and conflict center sections The Collaboration Beta setup in PolyPDF 1.4.3: connect a device to the customer-owned host, mount the company share, review signed history, and resolve offline conflicts. https://www.polypdf.com/blog/introducing-polypdf-plugins/ 2026-09-03 monthly 0.8 https://www.polypdf.com/guides/introducing-polypdf-plugins.png?v=1.4.3-20 The PolyPDF Plugins sidebar listing AISC Steel Sections, PDF Maps, and Professional Seal Maker beside a blank sample sheet The Plugins sidebar in PolyPDF 1.4.0, listing the three generators that come with the app: AISC Steel Sections, PDF Maps, and Professional Seal Maker. 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