How to Use the File and Text Hash Generator
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Select input type: "Text Input" or "File Checksum".
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Type text or drop any local file into the checksum area.
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WebUtilities calculates SHA-256, SHA-512, SHA-384, SHA-1, and MD5 hashes using the browser Web Crypto API.
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Compare against an expected checksum or copy hashes with one click.
Practical Example & Use Case
Common Real-World Scenario
Verifying the integrity of a downloaded Linux ISO or software binary by comparing its SHA-256 checksum.
Technical Notes & Limitations
Browser Engine Architecture
Calculation time depends on client CPU and file size. Files up to 100 MB are hashed smoothly in chunks.
Frequently Asked Questions
Is my file uploaded to compute the hash?
Never. The browser reads the file as an `ArrayBuffer` locally and passes it directly to `window.crypto.subtle.digest`.