Hash Generator
Calculate cryptographic hash checksums (SHA-256, SHA-512, SHA-384, SHA-1, and MD5) for text strings or local files to verify file integrity and detect tampering.
Cryptographic Hash Generator
Compute SHA-256, SHA-512, SHA-384, SHA-1 and MD5 checksums 100% client-side.
Verify Against Expected Checksum
Mask Client PII Before Pasting into ChatGPT
Two-way client-side token anonymization and 1-click restore.
⚙️ How This Tool Works Locally
When you use this tool on PrivacyKit, every byte is processed directly in your device RAM.
- 1. No Network Traffic: No HTTP POST or PUT requests are made to any server. Your internet can even be disconnected.
- 2. Modern Native APIs: Computation uses native HTML5 Canvas, Web Cryptography (SubtleCrypto), and client-side binary parsers.
- 3. Zero Footprint: Closing this browser tab immediately frees the memory buffer. No persistent cookies or caches remain.
💡 Frequently Asked Questions
What can I use cryptographic hashes for?
Hashes allow you to verify that a file downloaded from the internet has not been corrupted or tampered with by malware.
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