File Format Detector

Detect the true format and codec of any media file

How to use:

  1. Upload any file to detect its true format (up to 100MB)
  2. Click "Detect Format" to analyze

1. Upload File

Drag and drop files here

or click to browse

Accepted: .mp3, .wav, .flac, .aac, .ogg, .m4a, .mp4, .avi, .mkv, .mov, .webm, .gif, .pdf, .zip

Max size: 100MB

About the Format Detector

Find out exactly what kind of file you have. Upload any audio or video file and the format detector identifies its real format, codec and technical details — free, fast and useful when a file extension is wrong or missing.

Key features

  • Identify the true file format and codec
  • Detect details even when the extension is wrong
  • Works for audio and video files
  • Free and no signup required

Frequently asked questions

Why does the real format matter?
Knowing the true format and codec helps you choose the right player or converter, especially when the extension is incorrect.
Does it work for video too?
Yes, you can detect both audio and video formats.
Is the format detector free?
Yes, it is completely free with no account.