TabBench
Image & MediaClient-Side Private

Video Player

Open any video your browser can decode and play it with full transport controls, adjustable speed, picture-in-picture and a multi-file playlist. Files play from disk and are never uploaded.

Drop video files here, or click to choose

Plays straight from your device — nothing is uploaded, and large files open instantly.

Sometimes you just need to watch a file without installing anything — a clip someone sent you, a recording off a camera, a download you want to check before filing. This opens video straight from your device and plays it with proper controls: a real seek bar, adjustable speed, picture-in-picture, and a playlist if you drop several files at once.

How to play a video file in your browser

  1. Drag a video onto the drop zone, or click it to browse. You can select several files at once.
  2. Press play. The file streams from disk, so even a multi-gigabyte video starts instantly.
  3. Adjust speed if you are reviewing footage — 1.5x is comfortable for most talking-head video.
  4. Use picture-in-picture to keep watching while you work in another tab.

The Video Player runs entirely in your browser — nothing you enter is uploaded, stored, or logged.

When to use this tool

Checking a file before you send it

Confirming that an export actually plays, and that the audio is in sync, takes ten seconds here and saves sending a broken file.

Reviewing footage at speed

Skimming a long recording at 1.5x or 2x with keyboard seeking is far quicker than scrubbing a timeline in an editor.

Watching on a machine you cannot install software on

Locked-down work and library computers usually allow a browser and nothing else. This needs no installation at all.

Things worth knowing

  • Space plays and pauses, the arrow keys seek five seconds, and M mutes.
  • MP4 (H.264) and WebM play everywhere. MKV containers and H.265 often will not, because browsers do not ship those decoders.
  • Dropping several files builds a playlist, and playback advances automatically at the end of each.
  • Nothing is uploaded, so this works offline once the page has loaded.

Frequently Asked Questions

Is my video uploaded?

No. The file is read from disk and played locally, so even multi-gigabyte videos open instantly.

Is my video uploaded anywhere?

No. The file is opened with a local object URL and played directly from disk. There is no upload and no decode step, which is why even very large files start immediately — and why the tool works with no network connection.

Why will my MKV file not play?

Because browsers do not include an MKV demuxer or an H.265 decoder, for licensing reasons. The tool detects the failure and tells you rather than showing a blank frame. Converting to MP4 (H.264) or WebM fixes it.

Can I play several files in a row?

Yes. Select or drop multiple files and they queue up as a playlist, advancing automatically. You can reorder by removing and re-adding, and skip with the previous and next buttons.

Does changing speed affect the pitch?

No. Browsers apply pitch correction automatically, so speech stays natural up to about 2x.

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