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Verified CalculatorUpdated June 2026

SHA & HMAC Cryptographic Hash Studio

Compute instant SHA-256, SHA-512, SHA-384, and HMAC signatures directly in browser memory.

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Quick Navigation

Input Text or Payload

Enter text string to generate instant SHA cryptographic digests in browser memory.

Source String

Optional HMAC Secret KeyLeave empty for standard hash

Uppercase Hex Output (e.g. A1B2C3...)

SHA Cryptographic Hashes WebCrypto Verified

SHA-256 (Most Popular / Webhooks)

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SHA-512 (High Security)

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SHA-384

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SHA-1 (Legacy / Git Checksums)

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How to Use SHA & HMAC Cryptographic Hash Studio

Step-by-step instructions & tips

Follow these steps to generate SHA digests and HMAC signatures:

Type or paste your text payload into the source string box.
(Optional) Enter a secret passphrase if you need an HMAC signature.
Toggle uppercase or lowercase hex encoding depending on your target system requirements.
Click the copy button next to SHA-256, SHA-512, SHA-384, or SHA-1 to copy your hash immediately.

Reviewed by Jigri Technical & Editorial Team

Verified Accuracy

Our mathematical models and conversion tables are rigorously benchmarked against Nepal standard measurement systems (Bikram Sambat, Ropani/Bigha land formulas) and global ISO specifications.

Frequently Asked Questions

Common questions answered by experts

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Input Text or Payload

How to Use SHA & HMAC Cryptographic Hash Studio

Reviewed by Jigri Technical & Editorial Team

Frequently Asked Questions

Are my passwords or secret keys sent over the network?

What is an HMAC Signature and when should I use it?

Why does this tool compute multiple SHA hashes simultaneously?

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