: Uses lossy compression to keep files small for streaming.
: Stores video, audio, subtitles, and still images.
Online Metadata Viewers : Allows you to upload the file to see hidden data without installing software. ⚠️ Potential Security Note
VLC Media Player : Go to while the video is playing.
Click the tab to see the frame width, height, and bitrate. For Mac Users Right-click (or Control-click) the file. Select Get Info . Look under More Info for the dimensions and codecs. Advanced Technical Tools
If you need a deep dive into the metadata (e.g., finding the exact encoding date or audio sample rate), these free tools are recommended:
Shanghai Municipal Administration of Culture and Tourism
