DownSub - Subtitle & Transcript Downloader

Tracking since May 12, 2026.

Changelog

• Jun 19, 2026
  description

  Download YouTube subtitles & transcripts in one click — SRT, VTT, or TXT — and translate to 100+ languages, all free.
  
  DownSub adds a clean "Download" button right next to the YouTube share/save bar so you never have to copy URLs into a third-party site again.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • Auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • UI available in 20 languages: English, Tiếng Việt, 日本語, 한국어, 中文 (简体 / 繁體), Español, Français, Deutsch, Português, Русский, Bahasa Indonesia, ไทย, العربية, हिन्दी, Italiano, Türkçe, Nederlands, Polski, Filipino
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Auto-download every video you open — pick your preferred subtitle language once in Settings, then never click again. The file lands in Downloads while you watch.
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode)
  • Comments analysis — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners who want bilingual captions or translated transcripts
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  • Archive-builders who want a subtitle copy of every video they watch — set Auto-download once and let it run in the background
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube to your machine. AI features run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORT
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  Got a question, bug report, or feature request? Open the "Support" tab at the top of this page and post it there — we read every message and reply within 24 hours. For anything else, visit https://downsub.com.

  Download YouTube, Viki, iQIYI, Netflix & WeTV subtitles in one click — SRT, VTT, or TXT — translate them to 100+ languages, and show the translation right on the video.
  
  DownSub adds a clean "Download" button right where you need it: next to YouTube's share/save bar, inside the Viki / Netflix / WeTV player control bar, or in the iQIYI action row. No URL copy-paste, no third-party sites.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORTED SITES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • YouTube (youtube.com, youtu.be) — full caption library + auto-translated
  • Viki (viki.com) — all fan-translated languages on every episode
  • iQIYI International (iq.com) — every official subtitle language (English, Vietnamese, Korean, Thai, Chinese SC/TC, Indonesian, Malay, Spanish, Portuguese, Arabic, …)
  • Netflix (netflix.com) — every subtitle & CC track on the title (start playback once so the player loads them)
  • WeTV / Tencent Video International (wetv.vip) — every official subtitle language (English, Vietnamese, Chinese SC/TC, Thai, Indonesian, Malay, Arabic, Japanese, Korean, Spanish, Portuguese, …) — start playback once so the player loads them
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • YouTube: auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners (works on YouTube, Viki, iQIYI, Netflix, and WeTV)
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • UI available in 20 languages: English, Tiếng Việt, 日本語, 한국어, 中文 (简体 / 繁體), Español, Français, Deutsch, Português, Русский, Bahasa Indonesia, ไทย, العربية, हिन्दी, Italiano, Türkçe, Nederlands, Polski, Filipino
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Auto-download every video you open — pick your preferred subtitle language once in Settings, then never click again. The file lands in Downloads while you watch.
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode). Works on YouTube, Viki, iQIYI, Netflix, and WeTV.
  • Translate subtitles (Viki / iQIYI / Netflix / WeTV) — pick any target language, then choose your engine: on-device translation (free, no credits, powered by Chrome's built-in translator) or DownSub AI for higher quality. These sites have no native auto-translate like YouTube.
  • Show subtitles on the video — overlay the chosen track (original or translated) directly on the Viki / iQIYI / Netflix / WeTV player; translate once and keep watching (the result is reused, so re-showing never re-charges)
  • Comments analysis (YouTube) — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners watching K-dramas, C-dramas, and Asian shows on Viki, iQIYI, Netflix, or WeTV — translate the subtitle and show it (or both languages) right on the player
  • Language learners who want bilingual captions or translated transcripts on YouTube
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  • Archive-builders who want a subtitle copy of every video they watch — set Auto-download once and let it run in the background
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com, viki.com (+ api.viki.io), iq.com (+ iqiyi.com), netflix.com (+ nflxvideo.net for subtitle files), wetv.vip (+ wetvinfo.com for subtitle files), and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube / Viki / iQIYI / Netflix / WeTV to your machine, and on-device translation runs entirely in your browser (no credits, no upload). AI summary and AI translation run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORT
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  Got a question, bug report, or feature request? Open the "Support" tab at the top of this page and post it there — we read every message and reply within 24 hours. For anything else, visit https://downsub.com.

• Jun 19, 2026
  host_permissions

  *://*.youtube.com/*, *://*.youtu.be/*, *://youtu.be/*, *://downsub.com/*, *://*.downsub.com/*

  *://*.youtube.com/*, *://*.youtu.be/*, *://youtu.be/*, *://*.viki.com/*, *://api.viki.io/*, *://*.iq.com/*, *://*.iqiyi.com/*, *://*.netflix.com/*, *://*.nflxvideo.net/*, *://*.wetv.vip/*, *://*.wetvinfo.com/*, *://downsub.com/*, *://*.downsub.com/*

• Jun 6, 2026
  description

  Download YouTube subtitles & transcripts in one click — SRT, VTT, or TXT — and translate to 100+ languages, all free.
  
  DownSub adds a clean "Download" button right next to the YouTube share/save bar so you never have to copy URLs into a third-party site again.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • Auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • UI available in 20 languages: English, Tiếng Việt, 日本語, 한국어, 中文 (简体 / 繁體), Español, Français, Deutsch, Português, Русский, Bahasa Indonesia, ไทย, العربية, हिन्दी, Italiano, Türkçe, Nederlands, Polski, Filipino
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Auto-download every video you open — pick your preferred subtitle language once in Settings, then never click again. The file lands in Downloads while you watch.
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode)
  • Comments analysis — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners who want bilingual captions or translated transcripts
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  • Archive-builders who want a subtitle copy of every video they watch — set Auto-download once and let it run in the background
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube to your machine. AI features run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORT
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  Questions or feedback? Visit https://downsub.com

  Download YouTube subtitles & transcripts in one click — SRT, VTT, or TXT — and translate to 100+ languages, all free.
  
  DownSub adds a clean "Download" button right next to the YouTube share/save bar so you never have to copy URLs into a third-party site again.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • Auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • UI available in 20 languages: English, Tiếng Việt, 日本語, 한국어, 中文 (简体 / 繁體), Español, Français, Deutsch, Português, Русский, Bahasa Indonesia, ไทย, العربية, हिन्दी, Italiano, Türkçe, Nederlands, Polski, Filipino
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Auto-download every video you open — pick your preferred subtitle language once in Settings, then never click again. The file lands in Downloads while you watch.
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode)
  • Comments analysis — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners who want bilingual captions or translated transcripts
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  • Archive-builders who want a subtitle copy of every video they watch — set Auto-download once and let it run in the background
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube to your machine. AI features run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORT
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  Got a question, bug report, or feature request? Open the "Support" tab at the top of this page and post it there — we read every message and reply within 24 hours. For anything else, visit https://downsub.com.

• Jun 6, 2026
  name

  DownSub — Subtitle & Transcript Downloader

  DownSub - Subtitle & Transcript Downloader

• May 31, 2026
  description

  Download YouTube subtitles & transcripts in one click — SRT, VTT, or TXT — and translate to 100+ languages, all free.
  
  DownSub adds a clean "Download" button right next to the YouTube share/save bar so you never have to copy URLs into a third-party site again.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • Auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • English + Tiếng Việt UI
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode)
  • Comments analysis — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners who want bilingual captions or translated transcripts
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube to your machine. AI features run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  SUPPORT
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  Questions or feedback? Visit https://downsub.com

  Download YouTube subtitles & transcripts in one click — SRT, VTT, or TXT — and translate to 100+ languages, all free.
  
  DownSub adds a clean "Download" button right next to the YouTube share/save bar so you never have to copy URLs into a third-party site again.
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  FREE FEATURES
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Download subtitles in SRT, VTT, plain text, or text-with-timestamps
  • Auto-translate to 100+ languages via YouTube's own translation engine — never costs credits
  • Full transcript panel with click-to-seek timestamps and live search
  • Dual subtitles: show two languages stacked on the player at once — perfect for language learners
  • Copy transcript to clipboard for notes, blogs, or LLM prompts
  • Smart filename: video title + language + format
  • Strip non-speech tags ([Music], [Applause], (laughs)…) for clean reading
  • Dark / light theme that follows YouTube's appearance
  • UI available in 20 languages: English, Tiếng Việt, 日本語, 한국어, 中文 (简体 / 繁體), Español, Français, Deutsch, Português, Русский, Bahasa Indonesia, ไทย, العربية, हिन्दी, Italiano, Türkçe, Nederlands, Polski, Filipino
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRO FEATURES (with DownSub account)
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Auto-download every video you open — pick your preferred subtitle language once in Settings, then never click again. The file lands in Downloads while you watch.
  • AI Summary — bullet points with timestamps in your preferred language. Pick a style: timeline, key points, action items, technical, educational, movie/novel (with optional spoiler-free mode)
  • Comments analysis — sentiment breakdown, top topics with quotes, and highlighted top comments
  • Coming soon: audio → subtitle, playlist batch download
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  WHO IT'S FOR
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  • Language learners who want bilingual captions or translated transcripts
  • Students & researchers turning lectures into searchable notes
  • Content creators repurposing YouTube content into blogs / scripts
  • Anyone who hates wading through 30-minute videos for 2 minutes of insight
  • Archive-builders who want a subtitle copy of every video they watch — set Auto-download once and let it run in the background
  
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  PRIVACY
  ━━━━━━━━━━━━━━━━━━━━━━━━━
  
  DownSub only requests access to youtube.com and downsub.com — no <all_urls>, no tracking, no ads. Your subtitles are downloaded straight from YouTube to your machine. AI features run on DownSub's own servers; nothing is shared with third parties.
  
  DownSub is a first-party extension from the team behind downsub.com.
  
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  Questions or feedback? Visit https://downsub.com

Permissions & access

Permissions

storagedownloadsscriptingactiveTabwebRequestidentity

Host access

*://*.youtube.com/*, *://*.youtu.be/*, *://youtu.be/*, *://*.viki.com/*, *://api.viki.io/*, *://*.iq.com/*, *://*.iqiyi.com/*, *://*.netflix.com/*, *://*.nflxvideo.net/*, *://*.wetv.vip/*, *://*.wetvinfo.com/*, *://downsub.com/*, *://*.downsub.com/*

Screenshots