FREE
SHA-256 Generator
Calculate a SHA-256 digest of UTF-8 text.
Authenticate a message using HMAC-SHA-256 or SHA-512.
Guest results are not saved to an account. Sign in before processing to keep results in your private history for 30 days.
Load the example, adjust the values, then run the tool.
The quick brown fox jumps over the lazy dog
Authenticate a message using HMAC-SHA-256 or SHA-512. Paste your own input or try the example, run the tool, then copy or download the result.
Choose your options, process your input, and download or copy the result.