Sub Renderer for Android is the Android version of Sub Renderer software which you can find in GitHub. Sub Renderer allows you to convert .srt subtitle files into pre-rendered .idx and .sub formats. You can use these files on old TVs/Players/Computers to watch subtitles in any language without getting issues with Unicode characters. HIGHER RESOLUTIONS Sub Renderer allows you to render subtitles up to 4K resolution. Also SD, HD, FHD and QHD resolutions are available. BUILT IN FONTS Sub Renderer