Email Hasher Tool

Securely hash your email addresses using MD5 or SHA256 algorithms. All processing happens in your browser - no data ever leaves your device.

100% Client-Side Processing - Your Data Stays Private

Choose Input Method

Email Addresses

Click to upload CSV file

or drag and drop your CSV file here

Select Email Column:

MD5

Fast, 32-character hash (less secure)

SHA256

Secure, 64-character hash (recommended)

Total Processed

Valid Emails

MD5

Algorithm Used

Original Email	Hashed Value	Action