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Before you compress, convert or upload a file, it helps to know what you are working with. Drop in a video, audio file or image and see its key properties in a clean list, read straight from the file by your browser.
Processing locally on your device
Overview
For every file, the tool lists the file name, its MIME type (for example video/mp4 or audio/mpeg), the size in human-readable form and in exact bytes, and the last-modified date reported by your system. For video and audio, it adds the duration, shown as a timestamp with milliseconds and as a plain number of seconds, and the average bitrate in kilobits per second. For video, you also get the resolution with a label such as 720p, 1080p or 4K, the aspect ratio and whether the video is landscape or portrait. For images, it shows pixel dimensions, megapixels and aspect ratio.
The average bitrate is calculated as file size × 8 ÷ duration, so it covers everything in the file: video, audio and container overhead together. That makes it a quick way to judge quality and predict upload sizes. A 1080p phone video at around 16,000 kbps is roughly 2 MB per second; a 1080p clip under 2,000 kbps has been compressed heavily. Comparing the figure with typical bitrates for its resolution tells you whether there is room to compress further.
Because the tool uses the browser's own media elements to read the file, it works instantly and nothing is uploaded, but it only shows what the browser exposes. It does not report codec names, frame rate or audio channel counts. If a video does not load, the browser probably cannot decode its codec, which is itself a useful clue that the file may need converting before it will play on the web.
| Resolution | Heavily compressed | Typical good quality | Phone camera original |
|---|---|---|---|
| 720p | Under 1,500 kbps | 3,000–6,000 kbps | About 8,000 kbps |
| 1080p | Under 2,500 kbps | 5,000–10,000 kbps | About 15,000–20,000 kbps |
| 4K | Under 10,000 kbps | 20,000–40,000 kbps | About 40,000–60,000 kbps |
Open a video, audio or image file from your device.
Wait a moment while the browser reads the metadata.
Review the file details, duration, bitrate and resolution.
Click Copy as text to paste the details into a ticket, chat or document.
Use cases
Check a clip's duration and bitrate to estimate how much a compressor can save, or whether it is already small enough to send.
Confirm that a video is 1080p, landscape and 16:9 before submitting it to a platform, client or ad network with strict specs.
Copy the file details as text and paste them into a support ticket so the other side knows exactly which file and resolution you are dealing with.
Quickly confirm the megapixels of an image or the true resolution of a downloaded video when the file name does not say.
Pro tips
Answers to common questions about the media info.
The tool reads metadata through the browser's built-in media elements, which expose duration and dimensions but not codec names, frame rate or audio channel counts. That keeps it instant and fully local.
It is the average across the whole file: size in bytes × 8 ÷ duration in seconds, shown in kilobits per second. It includes video, audio and container overhead together.
They name the video's height in the usual shorthand. A height of 720 pixels is 720p, 1080 is 1080p, 1440 is 1440p and 2160 or more is 4K.
Your browser could not decode the file, often because of an unsupported codec such as HEVC on some systems or an older AVI codec. Try a different browser or convert the file to H.264 MP4.
Not necessarily. It is the date your system reports for the file, which can change when it is copied or downloaded. The original capture date is stored in metadata that browsers do not expose.
No. ToolEnhancer processes files on your own device inside the browser. They are never sent to, stored on or seen by our servers.
Yes. The media info is free to use with no sign-up, no watermarks and no daily limits.