Video Metadata Viewer

Find out everything about a video file: codecs and profiles, real frame rate, bitrates, HDR, audio channels, rotation — plus the hidden details like GPS location, phone model and creation date. Compare files side by side. The file never leaves your device.

  • No upload
  • Technical & hidden data
  • GPS / privacy check
  • Compare files

Drop video files here

or

You can also paste with Ctrl+V (⌘+V on Mac).
MP4 · MOV · M4V · WebM · MKV · 3GP · TS · M4A · MP3 — several at once

Your videos are processed on your device and are never uploaded.

How it works

How to check a video’s metadata

Instant, private, no installation.

  1. 1

    Add files

    Drop one or more videos (or audio files) onto the page.

  2. 2

    Read the report

    See the summary, all tags with a privacy check, and the internal structure.

  3. 3

    Export or compare

    Copy the report, download JSON / TXT / CSV, or compare files side by side.

Why ToolCMB

MediaInfo-level detail in your browser

Technical data and hidden metadata in one place.

Real frame rate

Measured from the timestamps — detects variable frame rate (VFR) and counts every frame.

Bitrates

Overall, video and audio bitrate, plus bits per pixel to judge compression.

HDR & colour

HDR10 / HLG / Dolby Vision detection, colour primaries, transfer and range.

Privacy check

Finds GPS location, device model, dates and software — with a link to remove them.

Structure explorer

Browse MP4 atoms (moov, trak, stsd …) or MKV EBML elements with sizes and offsets.

Compare files

Put several files side by side; differences are highlighted.

Export

Copy a text report or download JSON, TXT or CSV.

Private

Files are read locally — even huge files are analysed in seconds without uploading.

What does video metadata tell you?

Every video file has two kinds of information. Technical metadata describes how it is encoded: container, codec and profile, resolution, frame rate, bitrate, colour and audio format. It explains why a file won’t play on a device, why it is so large, or why an editor shows the wrong speed.

Descriptive metadata is added by the camera or app: title, date and time, GPS coordinates, phone make and model, software version, sometimes the owner’s name. It is useful for organising footage — and a privacy risk when you share the original file.

The structure view shows how the file is built. In MP4 and MOV files, the “moov” atom holds the index; if it comes before “mdat” (the media data) the file is web-optimised and can start playing before it is fully downloaded.

Key values explained

FieldMeaningTypical values
Codec / profileHow the video is compressedH.264 High, HEVC Main 10, AV1, VP9
Frame ratePictures per second; VFR = varies23.976, 25, 29.97, 30, 60
BitrateData per second → quality & size1080p: 5–12 Mbps
Bits per pixelBitrate ÷ (pixels × fps)0.05–0.15 for H.264
RotationHow players should turn the picture0°, 90°, 180°, 270°
HDR / transferBrightness encodingSDR (BT.709), PQ, HLG

Tips

FAQ

Frequently asked questions

Can’t find your answer? Contact us — we reply quickly.

Is my file uploaded?

No. The file is read directly in your browser; nothing is sent anywhere. Even very large files are analysed quickly because only the headers are read.

How do I find where a video was recorded?

If the file contains GPS data, the “Tags & privacy” tab shows the coordinates with a link to a map. Many apps remove the location when sharing, so it isn’t always there.

What does VFR mean?

Variable frame rate — the time between frames changes. Phones and screen recorders often produce VFR, which can cause audio drift in editing software.

Why does my video show a different resolution than expected?

The display resolution includes rotation and pixel aspect ratio; the coded size is what the encoder stored. Both are shown when they differ.

Which formats are supported?

MP4, MOV, M4V, 3GP, M4A, WebM, MKV and MPEG-TS; audio files such as MP3 and WAV show their audio details.

Can I compare two videos?

Yes. Add several files and click “Compare” — differences are highlighted. Download the comparison as CSV.

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