Never lose an AI conversation, a great article, or a useful video transcript again.
11+ AI platforms + any web article + YouTube/Bilibili subtitles โ auto-captured in the background, stored locally first. One-click sync to Notion / Obsidian / Feishu(Lark), or export as Markdown / Zip.
SyncNos Angel Sponsors ๐ ยท English ยท ไธญๆ
| ๐ Your data stays in your browser | No third-party servers, no data collection. Everything is stored in IndexedDB first โ you decide where it goes next. |
| ๐ Incremental sync, no duplicates | Only new content gets synced. Precise cursor tracking picks up right where you left off. Your knowledge base grows while you chat. |
| ๐ Fully open source | Every line of code is in this repo. You can see exactly what runs in your browser. |
| ๐ฆ Multi-target output | Notion / Obsidian / Feishu DocX / Markdown / Zip โ your data, your choice. No vendor lock-in. |
| Channel | Download |
|---|---|
| Chrome | Chrome Web Store |
| Edge | Microsoft Edge Add-ons |
| Firefox | Firefox AMO |
| Safari (macOS / iOS) | Build from source โ requires Xcode 14.1+ |
| Arc / Brave / other Chromium | Use the Chrome Web Store link |
- Install the extension (Chrome / Edge / Firefox / Arc / Safari)
- Open any supported AI platform, web page, or video page โ the extension captures conversations, articles, and loaded subtitles in the background
- Sync or export โ go to Settings to sync to Notion / Obsidian / Feishu, or export Markdown / Zip backups
| Platform | Capture Mode |
|---|---|
| ChatGPT | Auto |
| Claude | Auto |
| Gemini | Auto |
| DeepSeek | Auto |
| Kimi | Auto |
| Doubao (่ฑๅ ) | Auto |
| Yuanbao (ๅ ๅฎ) | Auto |
| Poe | Auto |
| Notion AI | Auto |
| z.ai | Auto |
| Google AI Studio | Manual save preferredยน |
ยน Virtual list limitation: auto-capture may only detect currently visible turns. For full history, use inpage save or popup current-page capture.
Any http(s) page can be clipped โ body text, title, author, and publish date are extracted automatically.
YouTube and Bilibili video pages can capture already loaded subtitles/transcripts, including timestamps when available.
| Target | Details |
|---|---|
| Notion | One-click sync after OAuth. AI chats โ SyncNos-AI Chats database; web articles โ SyncNos-Web Articles database; video transcripts โ SyncNos-Videos database. |
| Obsidian | Writes directly to your vault via the Local REST API plugin. Local-to-local, no network involved; video transcripts land in SyncNos-Videos. |
| Feishu (DocX) | Syncs conversations to Feishu DocX after OAuth. By default, docs land in SyncNos-AIChats / SyncNos-WebArticles / SyncNos-Videos folders under your Drive root (paths are configurable). |
| Markdown / Zip | Single file or bulk export. Zip v2 backups preserve article comment threads and cached images for full local recovery. |
- Background auto-capture โ open a supported site and capturing starts automatically. No manual action needed (with a few exceptions).
- Local-first storage โ all content lands in IndexedDB before going anywhere else.
- Incremental sync โ precise cursor tracking. Only new messages and articles get synced.
- Insight dashboard โ total clips, source breakdown, longest conversations โ see your knowledge accumulate.
- Chat with AI โ copy local conversations/articles with customizable templates, platform list, and max-length controls.
- Video transcript capture โ save loaded YouTube / Bilibili subtitles with timestamps as local conversations.
- Localized store metadata โ extension name/short description are localized via
public/_locales/(20 locales). - $ Mention in AI chats โ type
$on supported AI sites to search saved items and insert markdown snippets inline. - Inpage quick actions โ single-click the inpage button to save current content; double-click to open the comments sidebar.
- Article comment threads โ local threaded comments for web articles (detail + inpage panel); use the sidebar "Quote selection" button to attach current selection as quote (empty selection clears quote), while clicking/focusing composers does not auto-attach; preserved in Zip v2 backup/restore and article sync flows.
- Smart current-page capture โ popup auto-detects page type and runs
Fetch AI ChatorFetch Article. - Image caching โ optionally cache AI chat and web article images locally. Historical AI chat images can be backfilled from the detail page.
- Anti-hotlink image caching โ article images that match anti-hotlink rules are cached automatically, even if web article image caching is turned off.
- Markdown reading profiles โ choose Medium / Notion / Book in Inpage settings to tune how markdown is rendered in popup and app views.
- Database backup / restore โ full export and import of your local session database, including
image_cacheand article comment threads. Sensitive data (OAuth tokens, etc.) is automatically excluded. - Theme โ follows system
prefers-color-schemeonly. - Inpage button โ configurable display scope (all sites / supported sites only / off).
WebClipper Popup: save and browse conversations
WebClipper Settings: backup and sync (Notion / Obsidian / Feishu)
SyncNos is a one-person project, built with care.
If you'd like to sponsor me, I have a small request: don't just send money โ leave a message. Tell me why you use SyncNos, share a story, or simply say "keep going".
What keeps me going isn't the money โ it's knowing someone cares. What connects us is emotion, not a transaction.
- Special thanks to the linux.do community ๐
- Thanks to obsidian clipper for the inspiration