File Hash Calculator - MD5 SHA1 SHA256 SHA512

📖 About File Hash Calculator

The File Hash Calculator is a tool that runs entirely in your browser. It uses the Web Crypto API to compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hash values for your files. Files never leave your device — all computation is done locally, ensuring complete data privacy.

Key Features

Drag & Drop: Simply drag files onto the page — no complex setup
Multiple Algorithms: MD5, SHA-1, SHA-256, SHA-384, SHA-512
Batch Processing: Select multiple files and hash them all at once
Hash Verification: Paste expected values to automatically verify file integrity
One-Click Copy: Copy button next to each hash value
100% Local: All processing in your browser, zero data upload

How to Use

1. Select the hash algorithms you need (MD5, SHA-1, SHA-256 selected by default)

2. Drag & drop files onto the dashed area, or click to select files

3. Wait for computation to complete and view the hash values

4. Click the copy button to get hash values, or use the verification section to compare

Use Cases

Software Download Verification: Verify ISO images and installers against official hashes
File Transfer Integrity: Check large file transfers for corruption
Data Integrity Checks: Verify backup files haven't been corrupted
Security Auditing: Confirm files haven't been tampered with
Development: Quickly get file hash fingerprints during development

Algorithm Comparison

MD5: 128-bit, fast but less secure — good for everyday checks
SHA-1: 160-bit, no longer recommended for security but widely used (e.g., Git)
SHA-256: 256-bit, the most commonly used secure hash — recommended
SHA-384: 384-bit, truncated version of SHA-512
SHA-512: 512-bit, highest security for sensitive scenarios

FAQ

What is a file hash calculator?

A file hash calculator computes MD5, SHA-1, SHA-256, SHA-384, SHA-512 hash values for files. By comparing hashes, you can verify whether a file has been tampered with or corrupted.

Are my files uploaded to a server?

No. All computation happens locally in your browser. Your files never leave your device.

What is the maximum file size?

There is no hard limit. Large files (several GB) can be processed, but may take longer. For very large files, consider dedicated desktop tools.

Which hash algorithms are supported?

MD5, SHA-1, SHA-256, SHA-384, and SHA-512 are supported.

Can I hash multiple files at once?

Yes. Select multiple files and the tool will compute hashes for each one sequentially.

How do I verify file integrity?

Compute the file's hash, then compare it against the official hash value. If they match exactly, the file has not been tampered with or corrupted.

🔐 File Hash Calculator

🔧 Select Hash Algorithms

🔍 Hash Verification