Hashes turn any text into a fixed-length fingerprint — the same input always produces the same output, and even a one-character change produces a completely different hash. Our free Hash Generator computes four of them at once: MD5, SHA-1, SHA-256 and SHA-512. Paste your text, click Generate Hashes, and each digest appears in its own field with a dedicated copy button. Everything runs locally in your browser, so the text you hash never leaves your device. No signup, no limits.
Use cases are everywhere: verifying file integrity by comparing checksums, generating cache-busting tokens, creating Gravatar-style identifiers, or checking whether two documents are identical without reading them. SHA-256 and SHA-512 come from your browser’s WebCrypto API; MD5 is computed by a compact implementation built into the page, since WebCrypto does not include it.
One honest warning: MD5 and SHA-1 are included for checksums and legacy compatibility, but both are cryptographically broken — never use them to store passwords. For password storage, use a dedicated password-hashing function like bcrypt, scrypt or Argon2.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
Hashes are computed locally in your browser. MD5 and SHA-1 are shown for checksums and legacy compatibility — they are not secure for passwords; for password storage use a proper password-hashing function such as bcrypt, scrypt or Argon2.
How to use
- Type or paste your text into the box.
- Click Generate Hashes.
- Read the MD5, SHA-1, SHA-256 and SHA-512 digests in their own fields.
- Click Copy next to any hash to copy that digest.
- Compare digests to verify integrity or identity.
- Click Clear to start over.
FAQs
Which hash should I use?
For file-integrity checks any of them works, but prefer SHA-256 or SHA-512 — they are the current standards. MD5 and SHA-1 are fine for non-security checksums (like spotting duplicate content) but are cryptographically broken and must not be used for passwords or signatures.
Can I hash a file instead of text?
This tool hashes text. To hash a file, encode it with our Base64 Encoder first and hash the resulting string — or better, use your operating system’s built-in checksum tool (certutil on Windows, shasum on macOS/Linux) for large files.
Is my text sent to a server?
No. MD5 is computed by JavaScript built into the page and the SHA family uses your browser’s WebCrypto API — all local. Your text never leaves your computer, so it is safe to hash private strings.