Which Types Can Be Detected and the Limits
Key points
- Know the supported types
- Know the limits
- Use other methods too
Check a File's Real Type focuses on commonly used formats.
Steps
- Images, PDF, Office, ZIP, audio and more are detected
- Unsupported formats show "Unknown"
- If unknown, ask whoever gave you the file
Text files are not told apart further, such as CSV vs JSON.
Use "Check a File's Real Type (Extension vs Contents)" (free)
Tools that go well with this
- Check a File's Hash (SHA-256): Calculate a file's hash and compare it.
- Open a ZIP File (Unzip): See what is inside a ZIP and extract the files you need.
- Convert Text Encoding (Fix Garbled Text): Convert text files between Shift_JIS, UTF-8, EUC-JP and more to fix garbled text.