What is the difference between MD5, SHA-256, and SHA-512?

These are one-way cryptographic algorithms with different security profiles. MD5 and SHA-1 are legacy algorithms with known collision vulnerabilities and should only be used for basic integrity checks. SHA-256 and SHA-512 are industry-standard, secure algorithms that provide high cryptographic strength, ideal for passwords, sensitive tokens, and critical file verifications.

Will my local files be uploaded to any server during calculation?

Absolutely not. All processing runs 100% locally in your browser. Files never leave your device. We use HTML5 FileReader chunking and WebAssembly to process data directly in memory, ensuring absolute privacy for your sensitive documents.

What is the maximum file size supported? Will big files crash the tab?

It supports ultra-large files of 4GB+ (e.g. OS images, large ZIP archives). Unlike standard tools that load the entire file into memory and crash the browser tab, our tool reads files in 2MB chunk slices , keeping memory footprint near zero and preventing any out-of-memory tab crashes.

How do I use these hashes to check file integrity (checksum)?

Simply copy the calculated hash value and compare it to the standard checksum value provided by the official software distributor. If they match exactly, your downloaded file is verified to be untampered and free from corruption.

Hash & Checksum Calculator (MD5, SHA256)

Compute MD5, SHA-1, SHA-256, and SHA-512 checksums for text and large files locally with WebAssembly.

100% Client-Side Zero Upload

md5sha1sha256sha512

Hash Algorithm Results

md5

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sha256

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Hash & Checksum Calculator (MD5, SHA256)

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Secure Hash Generator with Zero Data Upload

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