File Hash Calculator
Calculate MD5, SHA1, SHA256, and SHA512 hashes of any file. Free, no signup required.
Drag & drop your file here or click to browse.
Accepted: Any file — Max size: 50MB
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How to Calculate File Hashes
Upload any file and instantly get its MD5, SHA1, SHA256, and SHA512 hash values. These cryptographic fingerprints uniquely identify the file's content. Use them to verify file integrity after downloads or transfers.
Why Calculate File Hashes?
File hashes verify that a file hasn't been corrupted or tampered with during transfer. Software distributors publish hashes so you can verify downloads. Security professionals use hashes to identify known malware. Developers use them to detect changes in files.
Frequently Asked Questions
SHA256 is the most commonly used for file verification. MD5 and SHA1 are faster but less secure. SHA512 provides the highest security.
The file is sent to our server only to calculate the hash. It is processed in memory and immediately discarded — never stored.