Free Cryptographic Hash Generator
Compute SHA-256, SHA-512, SHA-1, and MD5 cryptographic hashes and file checksums in real time with batch export options.
Drop single or multiple files
for batch checksum verification.
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Input Text or Files
Type or paste any text string, or drop single/multiple files into the box.
Instant Calculation
SHA-256, SHA-512, SHA-1, and MD5 cryptographic hashes are computed locally via Web Crypto.
Copy & Export
Copy individual hashes with one click or export complete checksum verification files.
Frequently asked questions
SHA-256 is a modern, cryptographically secure 256-bit hashing algorithm widely used in blockchain, SSL certificates, and security verification. MD5 produces a 128-bit hash and is primarily used for quick integrity checksums rather than cryptographic security.
No. Cryptographic hash functions are one-way mathematical algorithms. It is computationally infeasible to reconstruct the original input text or file solely from its hash output.
No. All calculations use your browser's native Web Crypto API and client-side JavaScript. Your text and files are processed strictly in local device memory and are never uploaded.
Drop your downloaded file into the file checksum box. Compare the generated SHA-256 or MD5 hash with the hash provided by the software vendor. If both strings match exactly, your file is authentic and uncorrupted.