Hash Generator
Type or paste text to get its SHA-256, SHA-1, and SHA-512 hashes.
SHA-256
SHA-1
SHA-512
Developer tool
Hash Generator
Generate SHA-256, SHA-1, and SHA-512 hashes from any text, instantly and privately.
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How To Use This Tool
Type or paste your text into the field. The SHA-256, SHA-1, and SHA-512 hashes are calculated instantly in your browser as you type - no button required.
Common Uses
Verify file or text integrity, generate checksums, create cache keys, and compare values without storing the original text.
Practical Examples
Generate a SHA-256 checksum to confirm a download was not altered, create a stable cache key from a string, or compare two hashes to check if two inputs match.
Helpful Tips
Hashing is one-way and cannot be reversed. SHA-256 is a strong, widely used default; SHA-1 is legacy and best avoided for security-critical work.
Why This Tool Is Useful
Hash functions turn any input into a fixed-length fingerprint. Developers use them for integrity checks, checksums, deduplication, cache keys, and verifying that data has not changed.
Accuracy And Privacy
Hashes are computed locally with the browser Web Crypto API, so your text never leaves your device. Note that hashing is not encryption and does not keep secrets confidential on its own.
FAQ
Is hashing the same as encryption?
No. Hashing is one-way - you cannot reverse a hash back to the original text. Encryption is reversible with a key.
Is my text sent to a server?
No. All hashing happens locally in your browser using the Web Crypto API. Nothing is uploaded.