#️⃣ Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text or file. Instant results, entirely in your browser — your data never leaves your device.

Developer ✓ 100% Free✓ No Upload✓ Instant

How to Use

1
Enter text or upload a file

Type or paste text into the input box, or click "Choose file" to hash any file from your device.

2
View all hashes instantly

MD5, SHA-1, SHA-256, and SHA-512 hashes generate automatically as you type or after file selection.

3
Copy the hash you need

Click the Copy button next to any hash to copy it to your clipboard.

Frequently Asked Questions

What is a hash?
A hash is a fixed-length string produced by a hash function from any input. The same input always produces the same hash. Even a tiny change in the input produces a completely different hash. Hashes are used to verify file integrity, store passwords securely, and create digital signatures.
Which hash algorithm should I use?
For security-sensitive uses (password storage, digital signatures): SHA-256 or SHA-512. For file integrity verification: SHA-256. For legacy compatibility checks: MD5 or SHA-1. Note: MD5 and SHA-1 are considered cryptographically broken for security purposes and should not be used for password storage.
Can I hash a file with this tool?
Yes. Use the file upload button to select any file. The hash is computed directly from the file bytes in your browser. The file is never uploaded to any server.
Is this tool accurate?
Yes. This tool uses the browser's built-in Web Crypto API (SubtleCrypto) for SHA-1, SHA-256, and SHA-512. MD5 is computed using a standard JavaScript implementation. Results are identical to command-line tools like sha256sum.
What is a checksum?
A checksum is a hash of a file used to verify that the file has not been modified or corrupted. Software download pages often publish SHA-256 checksums. You hash the downloaded file and compare the result to the published checksum to confirm the file is genuine.

About This Tool

This hash generator uses the browser's built-in Web Crypto API (SubtleCrypto) for SHA-1, SHA-256, and SHA-512 — the same cryptographic library used by security-critical browser features. MD5 is generated using a pure JavaScript implementation. All hashing happens entirely within your browser. Text is processed as UTF-8 encoded bytes before hashing, matching the behaviour of standard command-line tools. File hashing reads the file's raw bytes using the FileReader API and produces the same hash as sha256sum or md5sum on the same file.

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