If you are dealing with broken file extensions, ensuring the text explicitly ends in is key. To give you the best "proper text," could you tell me: What is the content of the video?
Is this for a ?
Here are a few options for a proper text format, depending on what the content actually is:
Based on your request, it seems you are looking for a "proper" or cleaned-up title for a file, likely a video, that currently has technical, messy, or "meaningless letters" in the filename (e.g., tt008...mp4 or random characters).
If you provide a few words about what the video shows, I can create the perfect filename or caption for you.