File Hash Checker

Verify file integrity locally

Drop files here or click to browse

Maximum privacy: All processing happens in your browser

Algorithms

Why verify file hashes?

File verification is the process of using an algorithm for verifying the integrity or authenticity of a computer file. This tool calculates multiple hashes (CRC-32, MD5, SHA-1, etc.) to ensure that the file you have is exactly the same as the original and hasn't been corrupted during download or modified by a third party.

Features:

  • Client-side Processing: Your files are never uploaded to our server. All calculations happen directly in your browser.
  • Large File Support: Efficiently processes large files by reading them in chunks.
  • Multiple Files: Drag and drop multiple files at once to compare them.
  • Privacy First: No data is sent over the network, ensuring complete privacy of your files.