Format family
Choose a media fixture for the test you need
Compare PCM WAV samples, repeated MPEG frame headers and an MP4 fixture without a video track. These files cover different structural needs; validate decoder and playback behavior separately.
10,485,760 bytes
10 MiB · WAV · 45 B
Exact size
1 MB = 1,000,000 B · 1 MiB = 1,048,576 B
Advanced: test an upload limit
Enter the byte limit above, then choose one byte below, the exact limit or one byte above. Each choice uses the same base: 10,485,760 B. Generate and download each file to test your endpoint.
Media files, made to measure.
Media pipelines probe a file before accepting it. These carry valid headers and, for audio, real samples — so ffprobe and friends read them rather than rejecting them outright.