SHA256 Hash Generator Online Tool

About SHA256 Hash Generator Online Tool:

This online SHA256 Hash Generator tool helps you to encrypt one input string into a fixed 256 bits SHA256 String.

Paste your Input String or drag text file in the first textbox, then press "SHA256 Encrypt" button, and the result will be displayed in the second textbox.

comic sha256

SHA256 and Blockchain Security:

SHA-256 is designed by NSA, it's currently most used Hash algorithm. SHA-256 is used in two parts of the Blockchain network: generate new bitcoin address and the "proof of work" algorithm used in mining.

More information about SHA256:

RFC 3174:

Python Implementation of SHA256 (hashlib):

Java Implementation of SHA256:

PHP Implementation of SHA256:

SHA256 Generator with Python (with package hashlib):

import hashlib

def sha256_generator(str):
    m = hashlib.sha256()
    return m.hexdigest()

SHA256 Generator with Java (with package MessageDigest):

import java.math.BigInteger;

public String generate(String str){
    MessageDigest md = MessageDigest.getInstance("SHA-256");
    byte[] digest = md.digest();
    String result = new BigInteger(1, digest).toString(16).toUpperCase();
    return result;

SHA256 Generator with Linux (with OpenSSL):

[email protected]:/var/log/apache2# openssl dgst -sha256 access.log
SHA256(access.log)= 1c830df491ff2e9dc4043ac9e89a2380cbb621d80331bbddd0cbcb4f6e502cf8