Identify any audio file type using our Audio File Format Checker. This free browser-based tool lets you upload or drag and drop an audio file to view its file extension, MIME type, signature bytes, duration, channels, and sample rate without installing any software. It supports popular formats like MP3, WAV, FLAC, M4A, OGG, and more.
Audio File Format Checker
Select an audio file to identify its type and properties.
How to Check Audio File Format
Checking your audio file format is simple and quick:
1. Upload or Drag & Drop
Choose your audio file from your computer or drag it into the tool.
2. Click “Check Format”
The tool analyzes the file’s metadata and audio properties.
3. View Detailed Results
Instantly see:
- File name and size
- File type and MIME report
- Format signature (magic bytes)
- Duration, channels, and sample rate
- Detected format (MP3, WAV, FLAC, etc.)
Bonus Tip: The tool also detects mismatched extensions—helping you verify if a file labeled “.mp3” is truly an MP3.
You can check any file format here: File Format Checker
FAQs
1. What is an audio file format?
An audio file format determines how sound data is encoded, stored, and compressed. Examples include MP3 (compressed) and WAV (uncompressed).
2. Can I check audio file format without installing software?
Yes. This online audio format checker works directly in your browser—no downloads or installations needed.
3. Is this tool safe to use?
Absolutely. All processing occurs locally on your device, ensuring your files never leave your computer.
4. What formats does it support?
It supports all common formats including MP3, WAV, M4A, FLAC, AAC, OGG, and AMR.
5. Why does the file extension sometimes not match the real format?
Files can be renamed incorrectly. The tool detects real format signatures (magic bytes) so you can confirm authenticity.
Conclusion
Our Audio File Format Checker is a fast, secure, and reliable way to inspect your audio files right from your browser. It’s ideal for musicians, audio editors, and anyone verifying sound file authenticity. Simply upload, check, and know your file’s true format within seconds — no technical expertise required.
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