Turn your daily reading into your best writing.
Capture highlights from anywhere. Let your shadow help you turn everyday reading into your next viral newsletter, article, or social post.

Not just storage. An active partner for your writing.
Shadow seamlessly integrates into your reading workflow, capturing inspiration and helping you synthesize it into your next piece.
Search your notes
Press Cmd+K to instantly find that one highlight you saved weeks ago, complete with its original website link.
AI assistant
Ask your notes questions, draft with them, and synthesize ideas across everything you have captured.
Content pillar folders
Keep your notes tidy. Organize your captured thoughts into structured folders for different newsletters or writing projects.
Cross-device capture
Clip highlights with the Chrome extension on desktop, and on Android share straight into Shadow to read later.
Rich editing
Format your ideas beautifully with a rich editor, note links and version history behind every note.
Free to use
No plans, no paywalls. If Shadow helps your writing, you can support it on Ko-fi whenever you like.
Built for modern creators.
Whether you are growing a newsletter, publishing articles, or building an audience on social media, Shadow is your ultimate note-taking system.
Newsletter writers
Store highlights, frameworks, and statistics you find online. Easily retrieve them when drafting your next viral Substack edition.
Article authors
Never lose a great quote or source again. Use Shadow to develop your arguments before cross-posting to Medium or WordPress.
Social creators
Turn hours of reading into high-performing bite-sized content for LinkedIn, Twitter & Threads. Keep your best inspirations in one place.
Take Shadow everywhere.
Install it as an app on your phone and share highlights directly from your favourite apps, browsers, and social feeds.
Clip on Chrome
- Download the extension folder from Settings → Extension.
- Open chrome://extensions and turn on Developer mode.
- Choose Load unpacked and pick the folder.
- Paste your extension key into the popup and start clipping.
Install on Android
- Open Shadow in Chrome.
- Tap the 3-dot menu (top right).
- Tap "Install app" or "Add to Home screen".
- Highlight text anywhere and share it to Shadow.
Install on iOS
- Open Shadow in Safari.
- Tap the Share button at the bottom.
- Scroll down and tap "Add to Home Screen".
- Enjoy a full-screen, native-like experience.
The journey ahead
What we are working on building for Shadow.
Free, with no plans to juggle.
Every feature is available to everyone. If Shadow earns a place in your writing routine, you can chip in on Ko-fi.
- Unlimited folders and notes
- AI assistant with your own Gemini key
- Chrome extension capture
- 'Share to Shadow' on Android
- Note history, trash and public sharing
Frequently asked questions
Read. Capture. Create.
Shadow closes the gap between the content you consume and the content you create.
Try today