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Compute cryptographic hash digests, symmetric ciphers, and asymmetric digital signatures in real-time. This tool processes your inputs entirely in your browser using high-performance **native Web Crypto APIs** (for SHA-1, SHA-256, SHA-384, SHA-512, and RSA signature generation) and secure client-side libraries (for MD5 and DES), ensuring your data remains completely private.
Hash Generator
Input Text
TEXT 0 chars · 0 bytes
Cryptographic Hashes
SHA-256
SHA-512
SHA-384
SHA-1
MD5
Symmetric Cipher (DES)
Key / Pass:
DES / Base64
Asymmetric Digital Signature (RSA-2048)
Generates a browser-local RSA-2048 key pair, then signs the SHA-256 hash of your input text with the private key.
RSA-SHA256 / Hex
PEM Public Key

How to Use Cryptographic Hash Generator

  1. 1. Type or Paste Your Text

    Enter the text or string you want to hash into the input field.

  2. 2. Select a Hash Algorithm

    Choose from MD5, SHA-1, SHA-256, SHA-384, SHA-512, or other available algorithms.

  3. 3. Copy the Generated Hash

    The hash output appears right away. Click Copy to save it to your clipboard.

The Technical Details

This interactive web utility provides fast, reliable, and completely private data transformations. In modern workflows, quick formatting, conversions, or estimations are essential. By running all logic entirely in your browser with client-side JavaScript, this tool guarantees that your data never leaves your machine. This approach delivers maximum performance and absolute data privacy, as no information is ever sent to a server.

Frequently Asked Questions

Which hash algorithms are supported?

The tool supports MD5, SHA-1, SHA-256, SHA-384, SHA-512, and SHA-3 variants.

Can hashes be reversed?

No. Hash functions are one-way: given a hash, you cannot mathematically recover the original input.

Is my text sent to a server?

No. All hashing runs in your browser using the Web Crypto API; nothing is ever sent to a server.

When should I use SHA-256 vs MD5?

Use SHA-256 or stronger for security-sensitive purposes like file verification. MD5 and SHA-1 are cryptographically broken and should only be used for checksums where collision resistance is not required.