Turn threads into tools. Threadmark is a Chrome extension that extracts Threads.com posts into clean Markdown, HTML, or plain text — AI-ready in one click.
- Opens a dedicated preview tab (MV3-safe) with full thread context, author card, word count, and reading-time estimate.
- Toggle edit mode to prune content in-place before exporting.
- Copy as Markdown for AI tools (Claude, ChatGPT, Gemini) in one click.
- Download rich HTML, Markdown, or plain text with source attribution and consistent filenames.
- Print-ready PDF via the browser print dialog.
- Inline images render in the preview with CDN proxy fallback for blocked assets.
- Bulk image download with deterministic filenames.
- Keyboard shortcuts for copy, export, and edit toggles.
- Background service worker retains recent preview state — re-download without re-scraping.
- Cleans timestamps, metrics, and UI chrome using built-in noise patterns.
- Clone this repository or download the source ZIP.
- Navigate to
chrome://extensions/in Chrome. - Enable Developer mode (top-right toggle).
- Choose Load unpacked and select the project directory.
- Browse to any Threads post on
threads.comorthreads.net. - Click the Threadmark icon and choose an action:
- Copy for AI — Markdown to clipboard, ready to paste into any AI tool.
- Preview — opens the formatted preview tab with all export options.
- Download HTML — saves a self-contained HTML file immediately.
- Inside the preview tab:
- Copy text, Markdown, or save as PDF/TXT/MD.
- Toggle edit mode to remove unwanted sections.
- Download all post images in bulk.
| Key | Action |
|---|---|
c |
Copy plain text |
m |
Copy Markdown |
Shift+M |
Save Markdown file |
p |
Print / Save PDF |
e |
Toggle edit mode |
| Permission | Reason |
|---|---|
activeTab |
Injects content script only when you trigger an action |
downloads |
Saves HTML, Markdown, TXT, and images |
scripting |
MV3-required for on-demand script injection |
threads.com, threads.net |
Reads thread content from the active page |
fbcdn.net, cdninstagram.com |
Proxy-fetches CDN-blocked images for preview display |
All processing is local — no data is sent to any remote service.
manifest.json MV3 definition, permissions, action routing
popup.html/js Extension popup — entry point for all actions
content.js Extracts thread content and media from the active tab
background.js Cleans, converts, downloads, manages preview state
pages/preview.* Full-tab preview UI with export controls and image tools
How do I use Threads posts with AI?
Install Threadmark, open any thread, click Copy for AI — clean Markdown is on your clipboard.
Does Threadmark work with multi-post threads?
Yes — it extracts all posts in a thread, cleanly separated with author metadata.
Can Threadmark download images?
Yes — open Preview and click Images to bulk-download all post media.
What if extraction fails?
Refresh the Threads page and try again. If the issue persists, Threads may have updated their DOM — open an issue with the thread URL.