---
title: "Video Metadata & Stream Inspector — Nexvert"
description: "Inspect video codecs, resolution, duration, bitrate, and audio streams with WebAssembly FFprobe."
url: https://nexvert.online/video-info/
---

# Video Metadata & Stream Inspector

Inspect video codecs, resolution, duration, bitrate, and audio streams with WebAssembly FFprobe.

## What is Video Metadata & Stream Inspector?

Inspect detailed video properties without installing bulky desktop media tools. Read container profiles, duration in milliseconds, audio sample rates, and video streams directly from the file header.

## How to use Video Metadata & Stream Inspector

1. **Add your file or input** — Choose a supported file, drag it onto the upload area, or type/paste the data this tool works with.
2. **Adjust the options** — Pick the output format, quality, size or other settings the tool offers. Defaults work well for most files.
3. **Process and download** — Run the tool and save the result. Processing happens in your browser, so nothing is uploaded to a server.

## Frequently asked questions

### What technical video properties can I view?

You can view exact pixel dimensions, aspect ratio, frame rate (FPS), audio codec, sample rate, channel layout (stereo/mono), file size, and duration.

### Does viewing video metadata require uploading the entire video?

No. The parser reads header atom boxes (like moov in MP4) using sliced JavaScript File API reads without uploading or downloading anything.

### Can this tool detect whether my video is variable frame rate (VFR)?

Yes. It inspects timestamp deltas across decoded sample chunks to report nominal and average frame rates.

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Source: https://nexvert.online/video-info/
HTML version: https://nexvert.online/video-info/