Hash Generator

Generate MD5, SHA-1, SHA-256 & SHA-512 hashes from text or files — 100% in-browser, nothing sent to servers.

Input Text

Hash Results

MD5 —

SHA-1 —

SHA-256 —

SHA-512 —

File Hash

Drop a file here or click to browse

Hashes computed entirely in your browser

About This Tool

Hash Generator

Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for any text or file — useful for verifying data integrity.

Why Use This Tool?

Verify file integrity by comparing hash values before and after transfer
Securely hash passwords before storing them in databases
Generate checksums to confirm downloaded files are not corrupted
Used by developers for data validation and security implementations
Create unique fingerprints for documents, API keys, or identifiers

Overview

Cryptographic hash functions are fundamental building blocks of digital security. A hash function takes any input data — a word, sentence, file, or password — and produces a fixed-length string of characters called a hash or digest. The same input always produces the same hash, but even a tiny change to the input produces a completely different hash. And crucially, you cannot reverse-engineer the original data from the hash. Our Hash Generator supports the most widely used hashing algorithms: MD5, SHA-1, SHA-256, SHA-384, SHA-512, and more. These are used for verifying file integrity, hashing passwords before storage, creating checksums for downloads, generating digital signatures, and building authentication tokens. While MD5 and SHA-1 are no longer considered cryptographically secure for new applications, they remain widely used for file integrity checks and legacy systems. SHA-256 and SHA-512 are the current standards for secure hashing. Use this tool to verify your downloaded files, test hash implementations, or understand how hash functions work.

How to Use

1

Enter Your Input Text

Type or paste the text you want to hash into the input field. You can also upload a file to hash its contents.
2

Select the Hash Algorithm

Choose from MD5, SHA-1, SHA-256, SHA-384, SHA-512, or SHA-3 depending on your requirement.
3

Generate the Hash

The hash is generated instantly and displayed in the output field as you type.
4

Copy the Hash

Click Copy to copy the hash string to your clipboard for use in your application or verification check.
5

Verify a File

To verify a file's integrity, hash the file and compare it against the official checksum provided by the file publisher.

Frequently Asked Questions

What is the difference between MD5 and SHA-256?

MD5 produces a 128-bit hash and is faster but cryptographically broken — it should not be used for security. SHA-256 produces a 256-bit hash and is the current secure standard.

Can I reverse a hash to find the original text?

No. Hash functions are one-way by design. However, common inputs can be found in "rainbow tables." Always salt passwords before hashing to prevent this.

Should I use MD5 for password hashing?

No. MD5 is not safe for password hashing. Use bcrypt, scrypt, or Argon2 for passwords — these are slow by design to resist brute force attacks.

Why do the same words produce different SHA-256 hashes with different capitalisation?

"password" and "Password" produce completely different hashes. Even a single character difference results in a totally different output — this is the avalanche effect.

How do I verify a downloaded file's integrity?

Hash the downloaded file using the same algorithm (e.g., SHA-256) specified by the publisher. If your hash matches their published checksum, the file is authentic and unmodified.