SHA-256 Hashfile Generator

Sorry, but this tool uses advanced features and requires either Chrome or Safari to operate.

Choose a CSV of your non-hashed email list with just one column titled “email” (upper, lower, or mixed case emails are fine). Hashing takes about 10 seconds per 1MM rows.

Lists over 8 million must be split into two files.
Your list’s security

All data is processed in the browser and never leaves your machine. If you’re feeling skeptical, you can follow the optional steps below for complete peace of mind.

  1. Turn off your Wi-Fi
  2. Generate and download your hashfile
  3. Close this page then turn your Wi-Fi back on
By Civic Shout: List growth for progressive causes and campaigns.
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