Discover how to deeply inspect internal PDF dictionaries, audit embedded fonts, calculate page geometry (in mm, inches, points, and DPI), verify AES user permission bitmasks, and review raw XMP metadata packets without uploading files to any external server. Learn how RiazHub’s client-side utility provides instant, privacy-first PDF preflight inspection directly in your browser.
PDF Properties & Preflight Inspector
RiazHub Digital Utilities — Deep In-Browser PDF Document Analysis
100% Client-Side Privacy Guaranteed
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Analyzing PDF Dictionaries, Fonts & Structure...
document.pdf
Size: 0 KB
Pages: 0
PDF 1.7
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Web Optimization
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Accessibility (WCAG)
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Print Readiness
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Security Risk
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Title
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Author
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Subject
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Keywords
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Creator Application
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PDF Producer
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Creation Date
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Modification Date
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Page Count
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Page Mode
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Page Layout
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PDF Specification
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Encryption Status
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Encryption Algorithm
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User & Owner Access Permissions Matrix
Standard Format
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Orientation
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Dimensions (mm)
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Dimensions (Inches)
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Dimensions (Points / 72 DPI)
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Dimensions (150 / 300 DPI)
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PDF Bounding Boxes (Page 1)
| Box Name | Width x Height (pt) | Width x Height (mm) | Lower-Left (X, Y) | Upper-Right (X, Y) |
|---|
Audited Font Families & Type Descriptors across all pages:
| Font Name / Family | Font Type | Subtype / Format | Encoding | Embedded Status |
|---|
Tagged PDF (Accessibility)
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Interactive AcroForm Fields
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Embedded File Attachments
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Embedded JavaScript Payloads
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Extensible Metadata Platform (XMP XML Packet)
No XMP Metadata Stream Detected
PDF Specifications & Internal Properties Guide
How PDF Dictionaries (/Info, /Root, /Encrypt) Store Document Metadata
PDF files are structured as a hierarchy of object dictionaries. The
/Info dictionary holds basic attributes such as Title, Author, CreationDate, and ModDate. The /Root catalog directs the PDF reader to page structures, AcroForms, interactive outlines, and embedded XML streams. When encryption is enabled, the /Encrypt dictionary defines security bitmasks and key lengths (AES-128, AES-256, or RC4).
Understanding PDF Standards: PDF 1.0 to PDF 2.0 (ISO 32000-2)
PDF versions specify supported features. PDF 1.4 introduced transparency, PDF 1.7 became the ISO 32000-1 international standard, and PDF 2.0 (ISO 32000-2) enhanced security algorithms while deprecating outdated encryption protocols. Checking version numbers ensures proper rendering across legacy and modern PDF viewports.
The Role of Preflight Inspection before Commercial Printing & Archiving
Before sending files to offset printers or digital archives (PDF/A), preflight checks verify that all font glyphs are 100% embedded (preventing font substitution errors), page trim/bleed boxes are correctly configured, and RGB elements are identified for CMYK conversion.
Privacy Guarantee: Why 100% In-Browser Analysis Matters
Unlike traditional cloud tools, this RiazHub utility processes all byte streams entirely inside your browser's local sandbox memory using client-side JavaScript libraries (pdf-lib and pdf.js). No confidential contracts, financial sheets, or internal metadata are ever uploaded to any web server.
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