File Hash Verifier
Calculate MD5, SHA-1, SHA-256, and SHA-512 hashes for any file. Verify downloads by comparing checksums.
Select File
📁
Drop any file here or click to browse
Supports all file types
💡 Definition
File Hash Verification
- A file hash (checksum) is a unique fingerprint computed from file contents.
- If even one byte changes, the hash changes completely.
- Used to verify file integrity after downloads or transfers.
📖 How to use
Step by Step
- Drop or select any file
- Hashes are computed in your browser using Web Crypto API
- Compare with the expected hash to verify integrity
- Click any hash to copy it
🎯 Use cases
When to use
- Verifying software downloads
- Checking file integrity after transfer
- Detecting file corruption
- Security auditing
Frequently Asked Questions
Is my file uploaded anywhere?▾
No. All hashing happens locally in your browser using the Web Crypto API. Your file never leaves your device.
Which algorithm should I use?▾
SHA-256 is the most commonly used for verification. MD5 and SHA-1 are faster but considered cryptographically weak. SHA-512 offers the highest security.