Hash Verifier - File Integrity Checker

Generate cryptographic hashes and verify file integrity. Supports multiple algorithms, multi-file verification, and QR code sharing.

Overview

Hash Verifier generates cryptographic checksums (MD5, SHA-1, SHA-256, SHA-512) for files to verify integrity and authenticity. Compare hashes to detect tampering, verify downloads, and ensure file authenticity. All processing happens in your browser.

Features

  • Support for MD5, SHA-1, SHA-256, SHA-512
  • Drag-and-drop file upload
  • Multi-file hash generation
  • Hash comparison and verification
  • QR code generation for hashes
  • Copy hashes to clipboard
  • Batch processing
  • Completely offline processing

Use Cases

  • Verify downloaded file authenticity
  • Detect file tampering
  • Generate checksums for file sharing
  • Validate backup integrity
  • Compare file versions

Privacy & Security

All Hash Verifier - File Integrity Checker operations are performed entirely in your browser. Your data never leaves your device and is never transmitted to any server. We implement zero-knowledge architecture to ensure maximum privacy and security.