Lilsubs.com is a free web application that allows you to download subtitles from sites like:
- YouTube.
- Viki: Download episodes subtitles and all subtitles available from a Viki Channel.
- Dramafever: Download episodes subtitles and all subtitles available from a Dramafever Channel.
- TED.
- VIU. Only available for sites from Hong Kong and Singapore.
Visit their facebook page. https://www.facebook.com/LilSubs/
