Hash generator
Calculates SHA-256 or SHA-512 from UTF-8 text in the browser.
Processed on this device. The files are not sent to a server.
How to use this tool
- Enter your text.
- Choose the algorithm and calculate the hash.
- Copy or download its hexadecimal representation.
What you should know
Up to 200,000 characters. A hash does not encrypt text or replace specialized password storage. No results are saved.
Does changing a space change the hash?
Yes. It is calculated on the exact UTF-8 bytes, including spaces and line breaks.