PDFDepth blog
PDFDepth Blog — straight answers about PDFs
Every article answers one question directly, then goes deeper. No fluff, no listicles — the answer first, the explanation after.
Libraries & guides
FDOT Standard Plans LibraryAll 282 FY 2026-27 indexes with their Standard Plans Instructions.Plan Review ChecklistsWhat a review of each discipline actually checks.Takeoff GuidesUnits, methods, and mistakes — trade by trade.PDF to CAD GuidesDXF, SVG, and DWG — what converts and what needs cleanup.GuidesMeasuring, scale calibration, and reading standard plans.
Construction & Engineering
What is a quantity takeoff?A quantity takeoff measures and counts materials on construction drawings — LF, SF, CY, EA — so estimators can price a bid. Here is how it works.How do I find the scale of a PDF drawing?Check the title block or view notes for a callout like 1/8" = 1'-0" or 1:100 — or calibrate against a known dimension. Here is each method.How do I measure distances and areas on a PDF plan?Calibrate the scale, then click two points for a distance or trace a boundary for an area. Here is the full workflow, from calibration to Excel export.How do I convert a PDF drawing to CAD (DXF or DWG)?Extract the vector linework from a PDF to DXF or SVG for AutoCAD, Revit, and BIM tools. Scanned PDFs need vectorizing first — here is what to expect.What is AI plan review and what does it check?AI plan review reads drawings and specs, then flags missing dimensions, cross-sheet inconsistencies, and code conflicts — each with a sheet citation.How do I extract specifications, loads, and dimensions from engineering drawings?Pull design loads, material grades, member sizes, and key dimensions out of drawings and specs into a table — instead of retyping general notes.Can AI identify walls, rooms, and ducts on a PDF floor plan?Yes — element identification reads floor-plan geometry and labels to classify walls, rooms, doors, and ducts into a tagged inventory. Here is how.How do I export PDF measurements to Excel?Calibrate, measure, then export an .xlsx with one row per measurement — type, label, quantity, unit, and sheet — straight into your estimate.How do I find every address in a PDF and open it in Google Maps?An address scanner reads the PDF text layer, detects street addresses, and lists them with page numbers plus a one-click Google Maps link.How do I compare two revisions of a PDF drawing?Open both revisions in a synced split view, run a text diff on notes and schedules, or slipsheet-compare a whole set. Three methods, explained.
AI & Documents
Can I ask a PDF questions with AI?Yes — chat-with-PDF tools index the document text and answer plain-language questions with page citations. Here is how it works and its limits.How do I summarize a long PDF?An AI summarizer reads the full text layer and returns a structured summary — key points, sections, and action items — for you to spot-check.What is AI annotation for PDFs?AI annotation reads a document and adds highlights, comments, and callouts on the passages that matter — so review starts from a marked-up draft.How do I turn a PDF into a mind map?An AI mind-map generator extracts a PDF’s topics, sub-topics, and relationships into an interactive branching diagram you can expand and share.How do I auto-fill a PDF form with AI?AI Form Fill maps your names, dates, addresses, and values into matching PDF form fields for review before saving. Fillable fields required.How do I edit text in a PDF without changing the font?Editors that rewrite text in place and match the original font, size, and spacing produce invisible edits; overlaid text boxes look pasted-on.How do I publish a PDF as a website?Publish-as-website tools convert PDF content into responsive HTML pages at a shareable link — fast, mobile-friendly, no download required.
Legal & Compliance
How do I build a chronological timeline from a folder of PDFs?A timeline tool reads each PDF in a folder, extracts the relevant date and a short summary, sorts chronologically, and exports a CSV.How do I redact sensitive information from a PDF?True redaction deletes the underlying text and image data — not just a black box on top. Find the PII, redact permanently, strip metadata.