Hash Generator

How to use Hash Generator

1. Type or paste the text you want to hash into the input box.
2. MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes appear instantly below.
3. Click the copy icon next to any hash to copy it to your clipboard.

Why generate a hash

A hash is a fixed-length fingerprint of any input — change one character and the entire hash changes unpredictably. That makes hashes useful for verifying that a file or piece of text hasn't been altered, without needing to compare the whole thing byte by byte.

This tool computes five common algorithms at once, right in your browser, using the browser's built-in cryptographic functions for the SHA family plus a compact MD5 implementation for the one algorithm the Web Crypto API doesn't support.

Choosing a hash algorithm

Hash Generator without uploading anything

The text you type is read directly by JavaScript running in your browser tab, hashed on the spot using the browser's built-in cryptographic functions, and shown back to you — it's never transmitted to a server, logged, or stored.

Because there's no upload involved, there's no practical length limit beyond what your browser's memory can comfortably handle.

Need to check a hash from a downloaded file instead of typed text? Hash the file's contents with a local tool first, then paste the result here to compare.

Hashing vs. encryption — they're not the same thing

If you need to keep something confidential and recoverable later, use encryption, not hashing — a hash can't be decrypted back into the original text.

What people use Hash Generator for

• File integrity checksComparing a downloaded file's hash to a published checksum.
• Software developmentGenerating checksums for build artifacts or cache keys.
• Data deduplicationIdentifying identical content by comparing hashes instead of full text.
• API & webhook signaturesUnderstanding or verifying HMAC-style signature schemes.
• LearningSeeing exactly how sensitive hash functions are to small input changes.

ابزارهای رایگان بیشتر

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این ابزار چگونه کار می‌کند

SHA-1, SHA-256, SHA-384 and SHA-512 are computed using the browser's native Web Crypto API; MD5 (not supported by Web Crypto) uses a compact, standards-compliant JavaScript implementation — all running live in your browser, with nothing uploaded, stored, or logged.

آخرین به‌روزرسانی: ۱۴ سپتامبر ۲۰۲۶.