VeraCrypt is an open-source utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file or encrypt a partition.
License: Open Source
BitLocker is a full disk encryption feature included with Windows Vista and later. It is designed to protect data by providing encryption for entire volumes. By default, it uses the AES encryption algorithm in cipher block chaining (CBC) or XTS mode with a 128-bit or 256-bit key. Developed by Microsoft
License: Commercial
Windows BitLocker is a user-friendly encryption solution integrated with Windows, making it ideal for Windows users seeking simple and effective security. In contrast, VeraCrypt offers more flexibility and cross-platform support, catering to users who need advanced encryption features and are willing to handle a more complex setup.