About this extension

CaptionHub is an open-source extension that enables users to create, edit, and share community captions for videos across popular platforms. View dynamic subtitles with advanced SSA/ASS rendering while browsing sites like YouTube and niconico.

1️⃣ View community-created captions in SSA/ASS format
2️⃣ Edit and create captions directly in your browser
3️⃣ Export to multiple formats like SRT and VTT
4️⃣ Share captions with other users
5️⃣ Supported on YouTube, Vimeo, and niconico

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PermissionsLearn more

Required permissions:

Access browser activity during navigation
Access your data for sites in the youtube.com domain
Access your data for sites in the tver.jp domain
Access your data for sites in the nicovideo.jp domain
Access your data for sites in the vimeo.com domain
Access your data for sites in the bilibili.com domain
Access your data for sites in the netflix.com domain
Access your data for sites in the primevideo.com domain
Access your data for sites in the twitter.com domain
Access your data for sites in the wetv.vip domain
Access your data for sites in the tiktok.com domain
Access your data for sites in the iq.com domain
Access your data for sites in the abema.tv domain
Access your data for sites in the bilibili.tv domain
Access your data for sites in the nogidoga.com domain
Access your data for sites in the cu.tbs.co.jp domain
Access your data for sites in the archive.org domain
Access your data for sites in the dailymotion.com domain

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