— Encoders & generators

Hash Generator

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text — instantly, as lowercase hex, in your browser.

— What it does

The Hash Generator is a free tool that computes cryptographic and checksum hashes — MD5, SHA-1, SHA-256, SHA-384, and SHA-512 — from any text you type. The SHA family uses your browser’s built-in Web Crypto, MD5 runs in pure JavaScript, and every digest is shown as lowercase hex you can copy in one click, all without sending your text anywhere.

  • Five algorithms at once: MD5, SHA-1, SHA-256, SHA-384, and SHA-512.
  • Lowercase hexadecimal output with a one-click copy for each hash.
  • Recomputes automatically as you type — no upload, no submit button.
  • Runs entirely in your browser — your text is never uploaded to a server.

How to use it

1

Type or paste your text

Enter any text — a word, a JSON blob, or a whole document — into the input box.

2

Read the hashes

MD5, SHA-1, SHA-256, SHA-384, and SHA-512 are computed instantly and shown as lowercase hex.

3

Copy the one you need

Use the copy button beside any algorithm to put its hash on your clipboard.

Frequently asked

Is my text uploaded to compute the hashes?
No. All hashing runs locally in your browser — the SHA algorithms use the built-in Web Crypto API and MD5 runs in JavaScript on this page. Nothing you type is sent to a server or stored.
Which hash algorithm should I use?
Use SHA-256 or stronger for security-sensitive needs like signatures or integrity checks. MD5 and SHA-1 are fast but cryptographically broken, so treat them as checksums only, not for security.
Why does the same input always give the same hash?
Hash functions are deterministic: identical input text always produces identical output. Changing a single character changes the entire hash, which is what makes hashing useful for verifying that data has not been altered.
Can I hash a file instead of text?
This tool hashes text input. To hash a file’s contents, paste the text into the box. The output is standard lowercase hex, so it matches command-line tools like md5sum and sha256sum for the same input.

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← All free tools

— Built by saavos

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