File Hash Calculator

Hash & Encryption

Calculate MD5, SHA1, and SHA256 hashes for local files.

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MD5
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SHA-256

About This Tool

Browser-based file hash calculator. Securely compute file checksums locally without uploading them to any server. Supports high-speed hashing for large files.

Frequently Asked Questions

Your files are NOT uploaded. This tool uses the File API to process the data locally within your browser, ensuring maximum privacy and security for your sensitive documents.

Any file type is supported, including documents, images, videos, and executables. Since the tool reads raw bytes, the content format does not affect the hashing process.

File size is limited by your browser's RAM. Most modern browsers can handle files up to several hundred megabytes smoothly using this client-side method.

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