Online video metadata checker

Inspect, view, and verify all embedded metadata tags, camera EXIF, GPS coordinates, video/audio technical streams, and container specs from MP4, MOV, WebM, and MKV files. 100% private in-browser analysis with zero uploads.

Drag & drop video file here to inspect metadata

Max size up to 1GB • 100% direct in-device inspection • Zero server upload

video.mp4

1920x1080 00:00 MP4 0 MB 0 embedded tags ⚡ Web FastStart: Ready 🛡 Privacy: Clean

Privacy verified: Zero GPS coordinates, device serials, or personal tracking identifiers found in this container.

Embedded metadata tags

QuickTime & iTunes atoms

Title	Not specified in container
Artist / Author	Not specified in container
Album	Not specified in container
Release year	Not specified in container
Genre	Not specified in container
Copyright	Not specified in container
Description	Not specified in container
Comment	Not specified in container
Encoder / Software	Not specified in container

Video & audio stream specifications

Hardware verified

Video codec	H.264 (avc1)
Resolution	1920 x 1080 px
Aspect ratio	16:9 (Landscape)
Duration	00:00 (0.00s)
Audio codec	AAC (mp4a)
Audio channels	Stereo (2.0)
Sample rate	48,000 Hz
FastStart web optimization	Yes (Optimized for immediate web streaming without buffering delays)
Major brand	ISOM (ISO Base Media)

Privacy & camera hardware audit

EXIF & GPS scan

GPS location coordinates	Not specified in container
Camera manufacturer	Not specified in container
Camera model	Not specified in container
Software firmware	Not specified in container

Raw metadata JSON output

{ "status": "Ready to inspect" }

Edit metadata online

Technical Overview • Fast Summary

VidDow video metadata checker is a forensic client-side inspection tool that extracts embedded container atoms, codec profiles, camera EXIF, and GPS location coordinates from MP4, MOV, WebM, and MKV files in under 0.5s. Running 100% inside browser RAM with zero server uploads, it audits Web FastStart readiness and verifies personal media privacy.

Instant in-RAM parsing GPS & privacy audit Web FastStart check Exportable JSON report Zero server upload

Why use VidDow video metadata checker?

High-precision media inspection directly inside your browser memory.

100% client-side privacy

All MP4 atom parsing and stream extraction happen exclusively inside your device RAM and CPU. Zero files are uploaded to any server.

FastStart web verification

Instantly verify whether your MP4 or MOV file has its 'moov' atom at the beginning for immediate web streaming without buffering delays.

Exportable JSON reports

Copy structured JSON metadata reports directly into your clipboard for development, media cataloging, and automated QA testing.

How to inspect video metadata in 3 simple steps

Quick and effortless inspection on any computer or mobile browser.

Select your video file

Drag and drop your MP4, MOV, WebM, or MKV file into the drop zone or click browse to choose from your device storage.

Instant in-RAM inspection

VidDow's high-speed parser inspects container atoms, video/audio tracks, and EXIF attributes in under 0.5 seconds.

Review, copy, or edit

Examine all embedded tags and technical parameters. Copy the full JSON or jump to the Metadata Editor to customize tags.

Frequently asked questions

Common questions about video metadata inspection and privacy.

Are my video files uploaded to any server during the metadata inspection?

Never. All atom parsing, EXIF inspection, and stream extraction happen 100% inside your personal device RAM and CPU. Your files never leave your computer or phone.

What video metadata tags can this tool inspect?

It inspects Title, Artist / Author, Album, Release Year, Genre, Copyright, Description, Comments, and Encoding Software.

How do I check if my video contains private GPS location data?

Simply drop your video into VidDow Video Metadata Checker. The Privacy & Security Audit panel will immediately alert you if any geographic coordinates or camera serial numbers are present.

What does 'Web FastStart: Ready' mean?

It means the container's 'moov' atom is placed at the beginning of the file. This allows web browsers and CDN players to start playing the video immediately without waiting for the entire file to download.

Can I edit or remove the detected metadata tags?

Yes. Click the 'Edit metadata online' button to open the video metadata editor, where you can modify tags or strip all EXIF/GPS attributes with 1-click.

Which video formats are supported?

VidDow supports MP4, QuickTime MOV, WebM, and MKV files across Windows, macOS, Linux, iOS, and Android.

Complete private multimedia suite

Explore free online video & audio tools

All-in-one in-device multimedia toolkit. Process, transform, and refine your media directly inside client browser RAM with zero server uploads, complete privacy, and zero watermarks.

Recommended next step: Need to adjust or sanitize tags? Open Video metadata editor to edit tags or strip EXIF/GPS with 1 click.

4K & MP3