MP4 Info & Metadata Viewer
Discover the hidden data in your videos. Extract codecs, duration, bitrate, and more directly in your browser without uploading.
Why use our Free MP4 Info Viewer Tool?
OctalOne offers a safe and incredibly fast way to read hidden metadata and codec information from your MP4 files without exposing your personal videos to the internet.
- 100% Private: Files are processed locally on your device. No uploads.
- Detailed Insights: View video and audio tracks, codecs, and bitrate data.
- Handles Massive Files: Our chunked-reading engine means even 100GB files process in milliseconds without hanging.
- Export: Download the extracted metadata easily.
How to View MP4 Data
Extract metadata from your videos in seconds.
- Select Video: Drag & drop an MP4 file or click "Browse files".
- View: Click on the video in the list to reveal its properties.
- Analyze: Scroll through the tables on the right to inspect codec settings and dimensions.
- Download: Optionally download the extracted data as a JSON file for your records.
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Frequently Asked Questions
No, your videos never leave your device. The metadata extraction happens directly in your web browser using your computer's processing power. This ensures your files remain completely private, and even massive files (e.g. 100 GB) process instantly without hanging.
You can see video and audio tracks, codecs used, bitrate, dimensions, duration, creation date, and more embedded properties in the MP4 file.
Yes! Because the tool reads only the small header portions of the file where metadata is stored (using file chunking), it can extract info from huge 10GB+ or 100GB+ files in seconds without crashing your browser.
This tool is specifically designed for MP4 files and uses the MP4Box parsing standard to read ISO Base Media File Format containers (.mp4, .m4v, .m4a).