All the essentials
Duration, resolution, container format and overall bitrate, plus the codec details of the video and audio streams — all on one screen.
Read resolution, bitrate, frame rate, duration, codec and audio parameters in one click — read-only, parsed locally with key data processed on-device, no sign-up.
Privacy-sensitive steps are processed in your browser, and data is destroyed when you close the page.
Clean exports with no watermark or hidden marks added.
Runs right in your desktop or mobile browser — no download needed.
Use it right away — no account required.
Privacy-sensitive steps run in your browser, and data is destroyed when you close the page. Work on private footage, business assets and course recordings with confidence.
Duration, resolution, container format and overall bitrate, plus the codec details of the video and audio streams — all on one screen.
The file is only probed, never modified — the original stays untouched.
When an upload is rejected or a player won't open a file, check the codec here first and the cause is usually obvious.
Upload a video file
Metadata is probed automatically
Review the details
Drop the video into the Video Info tool in WUJIEE Video Tools and it reads out duration, resolution, container format and overall bitrate, plus the video stream's codec/frame rate and the audio stream's codec/sample rate/channels — like a player's right-click "details" but more complete. Probing runs in your browser and returns results in seconds, ideal for checking specs before submitting or delivering.
The info panel shows the video stream's codec directly. The difference: H.265 (HEVC) is about 30%–50% smaller at the same quality but has poorer compatibility on older devices and some platforms, while H.264 has the best compatibility. Checking the codec before compressing or converting saves detours.
As a reference: 1080p everyday viewing is often 4–8Mbps, 720p about 2–4Mbps, and 4K usually 15Mbps or more. Sharpness comes from bitrate, resolution and frame rate together — at the same resolution, a higher bitrate means more detail and a bigger file.
Probing is read-only — it writes nothing and the original stays untouched. ffmpeg.wasm reads the file's info in your browser: key data is processed locally, your data is destroyed when you close the page, and even very large files return results in seconds.
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