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THE FEUTEX TOOLKIT

Duplicate File Finder

Find byte-identical files using SHA-256 and report redundant copies and their total size.

Files workspace● Runs in your browser
01 Your input

Reorder selected files below when order matters.

02 Your result

Made for real tasks

  • Review duplicate exports before manually removing redundant copies.
Explore step-by-step workflows →

How to use this tool

  1. Choose your files or enter the requested values.
  2. Review the scope and load the example where available.
  3. Run the tool, inspect the result and download or copy it.

Try this example

Accuracy and scope

Choose up to 100 files totaling 100 MB. Does not identify visually similar images or delete anything.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.