SHA-256 Hash Generator
Calculate the SHA-256 hexadecimal digest of a text string in your browser.
Generate the SHA-256 digest of text using the browser's Web Crypto API. Hashing runs on this device; the input is not uploaded or saved.
🔒 All processing happens in your browser — files never leave your device. Your input stays in this browser and is not uploaded to Smart Online Tools.
How it works
- Enter text to hash.
- Select Generate SHA-256.
- Copy the hexadecimal digest.
Good to know: SHA-256 is a one-way hash, not encryption. For password storage, use a purpose-built password hashing algorithm with salts and work factors instead.
Privacy and processing
All processing happens in your browser — files never leave your device. Your input stays in this browser and is not uploaded to Smart Online Tools.
Frequently asked questions
Should I avoid look-alike characters?
Only if you will type the password by hand. If you paste it from a manager, it makes no difference.
What does SHA-256 Hash Generator do?
Generate a SHA-256 digest from text using Web Crypto. Calculate the SHA-256 hexadecimal digest of a text string in your browser.
Does this tool upload my files or input?
Your input stays in this browser and is not uploaded to Smart Online Tools.
What should I know before using this tool?
SHA-256 is a one-way hash, not encryption. For password storage, use a purpose-built password hashing algorithm with salts and work factors instead.