File won’t open?

Drop any file: find out what it really is, why it may not open, and turn it into something that does.

How to use it

  1. Drop the file that will not open. Any type, many at once.
  2. Read the one-line answer: what the file really is and why it may not open.
  3. Press the button under it to convert, repair or rename it.

Example: a photo sent from an iPhone will not open on a Windows PC. It is a HEIC photo: press Convert and download a JPG.

Opening the tool…