SHA-256 Hash Generator

Free online SHA-256 hash generator. Compute cryptographic SHA-256 checksums from any text. Runs entirely in your browser using the Web Crypto API — 100% private.

TextNew
Input Text
Ready
SHA-256 Hash
You might also like
Email Validator
Free online email address validator. Instantly check if an email address has a valid format, detect common typos, and validate bulk email lists. No sign-up needed.
Text
Base64 Encoder / Decoder
Free online Base64 encoder and decoder. Instantly encode text or files to Base64 and decode Base64 strings. Supports URL-safe Base64 and file uploads.
TextBinaryPopular
URL Encoder / Decoder
Free online URL encoder and decoder. Encode URL components with percent-encoding and decode encoded query strings. Supports full URL and component encoding.
URLPopular
HTML Entities Encoder
Free online HTML entities encoder and decoder. Escape and unescape HTML special characters like <, >, &, and convert to named or numeric HTML entities.
HTML
Frequently Asked Questions
Is SHA-256 secure?
Yes. SHA-256 is part of the SHA-2 family and is considered cryptographically secure. It is widely used in TLS, cryptocurrencies, and digital signatures.
What is the difference between MD5 and SHA-256?
SHA-256 produces a 256-bit hash and is cryptographically secure. MD5 produces a 128-bit hash and is vulnerable to collision attacks.