Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes from any text instantly. Perfect for checksums and integrity checks.
Free, no signup — hashing runs on every request with nothing stored.
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How to Generate a Hash Online
Compute standard cryptographic hashes from any text in three steps.
Enter Your Text
Type or paste the text you want to hash — a password, string, or file content.
Generate
Click Generate Hashes to instantly compute MD5, SHA-1, and SHA-256 digests.
Copy or Download
Copy any individual hash or download all three as a .txt file.
// input: hello
MD5: 5d41402abc4b2a76b9719d911017c592
SHA-256: 2cf24dba5fb0a30e...
Three Algorithms
MD5, SHA-1, and SHA-256 are all computed at once from a single input.
Nothing Stored
Your text is only used to compute the hash and is never saved.
Instant Results
Hashing happens instantly. Copy any hash or download all three as a .txt file.
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Frequently Asked Questions
What does the Hash Generator do?
It computes MD5, SHA-1, and SHA-256 hashes of any text you enter, all at once — useful for checksums, cache keys, and integrity checks.
Which hash algorithm should I use?
SHA-256 is the modern standard for security-sensitive use cases. MD5 and SHA-1 are still common for checksums and non-security identifiers, but are considered cryptographically broken for security purposes.
Is my text sent anywhere or stored?
Text is hashed on request only to compute the digests, and nothing is stored afterward.
Will the same text always produce the same hash?
Yes. Hashing is deterministic — identical input always produces identical output for a given algorithm.
What is the difference between MD5, SHA-1, and SHA-256?
They differ in digest length and strength. MD5 outputs 32 hex characters, SHA-1 outputs 40, and SHA-256 outputs 64. MD5 and SHA-1 have practical collision attacks, so use SHA-256 whenever the hash carries any security meaning.
Is MD5 still safe to use?
Only for non-security work like cache keys, deduplication, or spotting accidental corruption. It is broken for anything an attacker could target, because two different inputs can be crafted to produce the same MD5 digest.
Can I hash a password with this?
You can hash one to see the output, but never store passwords as a plain MD5, SHA-1, or SHA-256 digest. Password storage needs a slow algorithm with a per-user salt, such as bcrypt, scrypt, or Argon2.
How do I check that a file download was not corrupted?
Compare digests. Paste the checksum the publisher lists next to the download, generate the hash of what you received, and check that the two strings match character for character. Any difference at all means the content is not identical.
Can I get a hash back to the original text?
No. Hashing is one-way by design. Sites that appear to reverse MD5 are looking the digest up in a table of previously hashed common strings, not undoing the maths.
Is this free to use?
Yes. The Hash Generator is completely free with no signup, no login, and no limits.
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