Generate a SHA-1 hash

Create your hashes online

This online hash generator converts your sensitive data like passwords to a SHA-1 hash. To calculate a checksum of a file, you can use the upload feature. For further security of the encryption process you can define a HMAC key.

SHA-1 converter

Or enter the text you want to convert to a SHA-1 hash:
Or enter the URL of the file you want to create a SHA1 hash from:
Or select a file from your cloud storage for a SHA1 conversion:

Choose from Google Drive

Optional settings

Shared secret key used for the HMAC variant (optional):
Shared secret key used for the HMAC variant (optional):

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Uploading data

Further information about the SHA-1 hash can be found at US Secure Hash Algorithm 1 (SHA1)

The input string encoding is expected to be in UTF-8. Different encoding will result in different hash values. Unicode is considered best practices.