SUB viewer
To open an SUB file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
Open in
Opened on this device, never uploadedDrop or paste another file at any time
What you see
| SUB in the viewer | |
|---|---|
| Shown | Every line with its frames |
| Frame rate | Read from the file, or chosen when converting |
| Next | Convert to SRT or WebVTT |
| Extensions | .sub |
| Upload | None: opened on your device |
What is an SUB file?
In short
SUB (MicroDVD) is an old subtitle format that times each line by frame number, not by clock time.
The subtitles as text with line numbers.
How to open an SUB file
- Add your SUB. Drop the file in the box, choose it or paste it.
- Look at it. The subtitles as text with line numbers.
- Take it further. Open in hands it, in a new tab, to File converter or Batch.
Questions
MicroDVD counts frames: pick the video’s frame rate (23.976, 25 or 29.97) when converting.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.