Hash Generator
Generate MD5, SHA-256, and SHA-512 cryptographic hashes.
MD5 is computed client-side. SHA-256 and SHA-512 use the browser's native crypto.subtle API. No data leaves your browser.
Hash Generator computes cryptographic hash values for any text or string input using popular algorithms including MD5, SHA-1, SHA-256, and SHA-512. A hash function takes arbitrary input and produces a fixed-length fingerprint that uniquely represents the data β even a single changed character produces a completely different hash.
Type or paste your text into the input field and the tool instantly displays the hash for every supported algorithm. You can use this to verify file integrity, store password digests, create cache keys, or generate ETags for HTTP caching.
Hashes are one-way functions β you cannot reverse a hash to recover the original input. This makes them essential for securely storing passwords and validating data without exposing the original content. All computation happens locally in your browser.
Frequently Asked Questions
Code Implementation
import hashlib
text = "Hello, World!"
# SHA-256 (recommended for security)
sha256 = hashlib.sha256(text.encode()).hexdigest()
print(sha256)
# dffd6021bb2bd5b0af676290809ec3a53191dd81c7f70a4b28688a362182986d
# SHA-512
sha512 = hashlib.sha512(text.encode()).hexdigest()
print(sha512)
# MD5 (not for security β use for checksums only)
md5 = hashlib.md5(text.encode()).hexdigest()
print(md5) # 65a8e27d8879283831b664bd8b7f0ad4
# Hash a file (streaming, handles large files)
def hash_file(path: str, algorithm: str = "sha256") -> str:
h = hashlib.new(algorithm)
with open(path, "rb") as f:
for chunk in iter(lambda: f.read(8192), b""):
h.update(chunk)
return h.hexdigest()
# Password hashing (use bcrypt/argon2, not hashlib directly)
# pip install bcrypt
import bcrypt
password = b"mysecretpassword"
hashed = bcrypt.hashpw(password, bcrypt.gensalt())
is_valid = bcrypt.checkpw(password, hashed) # TrueComments & Feedback
Comments are powered by Giscus. Sign in with GitHub to leave a comment.