A fast, secure, and purely client-side Hex Viewer built directly for PDF developers, security researchers, and analysts. Instantly generate a formatted hex dump table of the first 1024 bytes of your PDF to inspect headers, indirect objects, and metadata streams without installing a desktop hex viewer.
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Online PDF Hex Viewer & Analyzer
Low-level binary manipulation tools for PDF developers and technical forensics.
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Privacy First • No Uploads • 100% Client-Side
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About PDF Hex Viewer
1
Select PDF
Upload the PDF you wish to inspect.
2
Generate Dump
The tool will instantly parse the file's ArrayBuffer.
3
Analyze
Review the Hex and ASCII output directly on the screen.
Key Features
Formatted Hex Dump
Outputs standard 16-byte offset rows with both Hex and decoded ASCII representations.
No Installation Needed
A completely web-based alternative to tools like HxD or HexFiend.
Browser Sandbox Security
Your file is processed securely inside the browser, making it ideal for inspecting potentially malicious files.
Frequently Asked Questions
To prevent browser freezing. The first 1024 bytes are usually sufficient for inspecting PDF headers, versions, and the first few object dictionaries.
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