What is a SHA256 file?
A .SHA256 file is a plain text file that contains cryptographic hashes. Software uses these files to verify file integrity. The hash acts as a digital fingerprint for a file. This fingerprint ensures the downloaded file is not corrupted or modified. Many tools generate these files, including the standard sha256sum utility found in GNU Coreutils. Sometimes, a .SHA256 file is specifically a FileVerifier++ SHA-256 Hashes File created by the FileVerifier++ software. Other applications, like exocad Dental CAD, also use these files for build system verification.
How to open SHA256 files?
You can open a .SHA256 file with any standard text editor. Examples include Notepad++ on Windows, Apple TextEdit on macOS, or Vim on Linux. To verify the files listed inside, you usually run a command like `sha256sum -c checksums.sha256` in your computer terminal. Because .SHA256 files are standard text, you can easily read the hashes and file names inside them without special tools.
Best practices and troubleshooting
If your checksum verification fails, the target file might be incomplete or tampered with. Always ensure you download the .SHA256 file from a trusted, official source. Sometimes, text encoding issues, like different line endings between Windows and Linux, can cause reading errors in older verification software.
Software and tools
Common tools to create and check these files include Gpg4win, 7-Zip, and FileVerifier++. If you need to convert your hash list to a different format, you can use convert.guru to transform your .SHA256 file into standard `.TXT` or `.CSV` formats.
Summary
viewer.online/sha256 can analyze .SHA256 files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available. Since different software might format the hash list slightly differently, viewer.online/sha256 is useful for identifying, inspecting, and understanding .SHA256 files without installing software or dealing with compatibility problems.