Skip to main content

SECURITY TOOLS

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 and SHA-3 hashes

  • Multiple AlgorithmsMD5, SHA-1, SHA-2 and SHA-3.
  • Fast & LocalGenerate hashes instantly.
  • Text & File SupportHash text or upload files.
  • 100% Browser BasedYour data never leaves your device.

Your data is hashed locally in your browser and is not uploaded.

1

Input Type

2

Enter Text

Characters: 0 | Lines: 0

3

Select Hash Algorithms

MD5 and SHA-1 are legacy algorithms — useful for checksums, not recommended for security-sensitive use.

Or upload a file

Hash Algorithm Information

  • MD5

    128-bit hash, 32 characters. Widely used for checksums, but no longer secure for cryptographic purposes.

  • SHA-1

    160-bit hash, 40 characters. Widely used in legacy systems, but considered weak for security purposes.

  • SHA-256

    256-bit hash, 64 characters. Part of the SHA-2 family. Suitable for modern integrity checks.

  • SHA-512

    512-bit hash, 128 characters. Part of the SHA-2 family. A strong choice for fingerprinting and integrity.

How to generate a hash

  1. Step 1

    Choose input type

    Enter text, upload a file, or open Compare mode to check two values.

  2. Step 2

    Select algorithms

    Pick MD5, SHA-1, SHA-2 or SHA-3 digests. MD5 and SHA-1 are labeled as legacy options.

  3. Step 3

    Review results

    Hashes update as you type (with debounce). Each card shows the hex digest, length and input type.

  4. Step 4

    Copy or download

    Copy one hash, copy all, or download TXT, JSON or CSV of the current results.

Real cryptographic hashes — computed locally

OneFileKit hashes your text and files in the browser with maintained cryptographic libraries. Exact UTF-8 bytes are hashed for text (whitespace and newlines are preserved). Files are hashed from their raw bytes, with streaming for larger uploads.

MD5 and SHA-1 are offered for compatibility and checksum workflows only. They are not recommended for password storage or modern cryptographic security. Prefer SHA-256, SHA-512 or SHA-3 for integrity checks.

Optional server endpoints exist for text hashing and comparison, but the page hashes locally by default so your content does not need to leave the device.

Related Tools

Frequently asked questions

Is my text or file uploaded?
No. Hashing on this page runs locally in your browser. Your data is not uploaded for normal text or file hashing.
Are MD5 and SHA-1 secure?
No. MD5 and SHA-1 are legacy algorithms. They remain useful for checksums and compatibility, but they are not recommended for security-sensitive purposes such as password storage or modern signatures.
How large a file can I hash?
The tool accepts files up to the configured maximum (100 MB by default). Larger files are hashed with streaming so the entire file does not need to sit in memory at once.
What does Compare mode do?
Compare mode hashes two text inputs with the same algorithm (or compares two hex digests) and shows Match or Do Not Match. Comparison is case-insensitive for hex digests.