ToolRoof

Developer tools

SHA checksum calculator

Calculate SHA-256, SHA-384 or SHA-512 for text and compare a reference checksum.

Processed locally

Local UTF-8 text hashing; up to 1,000,000 characters. Checksums do not prove identity or safely store passwords. File hashing is supported by the engine, not this text form.

More optionsCurrent settings — expand to change.

Your answer will appear here.

Help and method

Text is hashed exactly, including spaces, newlines and Unicode form. Choose an algorithm; optionally paste its full hexadecimal checksum to compare.

Methods and reliability

Worked example

An example you can try or adapt to your own values.

Input text
abc
Algorithm
SHA-256
Reference checksum (optional)

Result

ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad