Utilities

VTOC Analyzer

Visualize disk layout, fragmentation, and space usage from VTOC data

success icon
Local Processing
All analysis happens in your browser. Your data never leaves your device.
info icon
Input Source
This tool analyzes CSV files generated by the VTOC Generator REXX.
  1. Use the VTOC Generator to create the extraction JCL
  2. Submit the JCL on z/OS to extract VTOC data
  3. Run the REXX to convert to CSV format
  4. Transfer the CSV file to your local machine
  5. Drag and drop the CSV file below
  6. Analyze disk layout and fragmentation

Upload VTOC CSV

Drag and drop your CSV file here, or click to select

CSV format from VTOC Generator

© 2026 Emuframe·🍪 This site only uses functional cookies. No tracking or personal data collection.