PDF Inspector
Inspect PDF internal structure including objects, streams, fonts, and resources for debugging and analysis. Perfect for developers, PDF technicians, and document forensics.
Drop your PDF here
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Complete Guide: PDF Inspector
Everything you need to know about using this tool effectively
PDF Inspector lets you examine the internal structure of any PDF file directly in your browser. It parses the object tree and displays metadata, fonts, color spaces, images, streams, form fields, and embedded resources in a readable format. This read-only tool helps developers, designers, and document specialists debug rendering issues and understand how documents are constructed.
PDF Inspector is a browser-based tool that reveals the hidden structure inside PDF files. It parses the PDF object tree and displays fonts, color spaces, images, form fields, and embedded resources in a readable format. This tool helps developers, designers, and document specialists debug PDF issues and understand how documents are constructed.
PDF Debugging
Identify why a PDF renders incorrectly by inspecting its internal objects and streams
Font Analysis
Check which fonts are embedded in a PDF and whether they are properly subsetted
Security Auditing
Review encryption settings and access permissions on PDF documents
Document Forensics
Analyze PDF creation history and embedded metadata for forensic purposes
Upload your PDF
Click the upload area or drag your PDF onto it. The tool begins parsing the internal object tree immediately.
Parse PDF structure
Browse the parsed object hierarchy to inspect fonts, color spaces, images, streams, form fields, and embedded resources in a readable tree view.
Browse and download report
Navigate through each section to review details, then download a full inspection report summarizing the document's internal structure and metadata.
Use the inspector to identify missing or corrupted fonts in poorly rendering PDFs
Check embedded image resolution to verify print quality
Review the metadata tab to see creation and modification dates
Inspect form fields before filling to understand field types and validation rules
Does this tool modify my PDF?
No, PDF Inspector is a read-only tool that analyzes your file without making any changes
Can I inspect encrypted PDFs?
You can inspect encrypted PDFs if you provide the correct password for decryption
What PDF versions are supported?
The tool supports PDF 1.0 through 2.0 including all common extensions
Is my file uploaded to a server?
All processing happens in your browser and your file never leaves your device