Hash Generator

Generate multiple cryptographic hashes with comprehensive analysis and security information.

Input & Settings

128-bit
Legacy
Fast but cryptographically broken
160-bit
Legacy
Legacy algorithm, avoid for security
256-bit
Secure and widely used
384-bit
High security variant
512-bit
Maximum security variant

Hash Results

Generated hashes will appear here

Analysis & Security

Hash statistics will appear here

• Use SHA-256 or higher for security

• Avoid MD5 and SHA-1 for sensitive data

• Add salt for password hashing

• Consider bcrypt/scrypt for passwords

MD5
128-bit • Legacy
SHA-1
160-bit • Legacy
SHA-256
256-bit • Secure

Hash Examples & Use Cases

Password Verification

Hash passwords before storing in databases.

Input: MySecurePassword123!
SHA-256: a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3

Note: Add salt for production use!

API Key Generation

Generate unique identifiers from user data.

Input: user123:timestamp:secret
SHA-512: 8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92

Use case: API authentication

Details

A hash function takes an input (or "message") and returns a fixed-size string of bytes, typically a digest, that is unique to the input. Hash functions are used for data integrity verification, password storage, and in various cryptographic protocols. Note: MD5 and SHA-1 are considered cryptographically broken and should not be used for security purposes, but are included for legacy compatibility or non-security use cases.

More Examples

Generating MD5 Hash

Input: Hello World!
MD5: ed076287532e86365e841e92bfc50d8c

Generates a 128-bit MD5 hash. Commonly used for checksums.

Generating SHA-1 Hash

Input: Hello World!
SHA-1: 2ef7bde608ce5404e97d5f042f95f89f1c232871

Generates a 160-bit SHA-1 hash. Avoid for security.

Generating SHA-256 Hash

Input: Hello World!
SHA-256: 7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069

Generates a 256-bit SHA-2 hash. A common standard for security.

Generating SHA-512 Hash

Input: Hello World!
SHA-512: 861844d6704e8573fec34d967e20bcfef3d424cf48be04e2acdf016dee9819881e4143a63678678981522160749403c0645688149a05924766849094eff181ae

Generates a 512-bit SHA-2 hash, offering potentially higher security than SHA-256.

    About this tool

    A cryptographic hash function turns any input — a word, a file, a whole document — into a fixed-length digest that changes completely if even one byte of the input changes. Hashes are used for data-integrity checks (verifying a download wasn't corrupted or tampered with), deduplication, checksums, and as building blocks in signatures and other protocols. Crucially, hashing is one-way: you cannot reverse a digest back to the original input.

    This tool computes several hash algorithms at once from text or an uploaded file, using the browser's Web Crypto API so nothing is ever uploaded. Note that MD5 and SHA-1 are cryptographically broken and must not be used where collision resistance matters (like signatures or password storage) — they remain useful only for legacy compatibility and non-security checksums. For security-sensitive work, prefer SHA-256 or SHA-512.

    How to use

    1. Enter your input

      Type or paste text, or upload a file to hash its contents.

    2. Read the digests

      The tool computes multiple algorithms simultaneously and shows each hexadecimal digest.

    3. Pick the right algorithm

      Use SHA-256 or SHA-512 for anything security-related; MD5/SHA-1 only for legacy or non-security checksums.

    4. Copy the hash

      Copy any digest to compare against a published checksum or store as a fingerprint.

    Supported algorithms

    AlgorithmDigest size / use
    MD5128-bit — legacy checksums only (broken, not for security)
    SHA-1160-bit — legacy compatibility only (broken, not for security)
    SHA-256256-bit — recommended default for integrity and security
    SHA-384384-bit — SHA-2 family, stronger digest
    SHA-512512-bit — strongest SHA-2 variant

    Hashing runs locally via the Web Crypto API — your input is never uploaded.

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