Srt.io is a video subtitle editing app.

Features
You can preview the video while editing subtitles, making it easy to edit subtitles for your vlog.
After marking the exit and entry points, subtitles will be automatically added to the appropriate positions.
For each subtitle, slide left and right ,you can also delete subtitles, mark subtitles and edit subtitles.
Click on the subtitle video to locate the relevant position.
You can search for subtitles, and if there are related subtitles, they will be located in the relevant location.

Import
Subtitle support .srt format
Video support .mp4 .avi .mov .mkv .wmv .flv .m4v .3gp format


Export
You can export edited subtitles to .srt format

Attention
In order to avoid wasting storage space, this app only reads videos and does not store them in the app. It only stores subtitles. Therefore, when opening the last project, you need to select the video file again. You can choose to import from the file or album.