The problem
You subscribe to newsletters because the ideas matter. But newsletters pile up in your inbox — unread, half-read, forgotten. When you finally need to find that framework or insight from six months ago, it's buried under 200 emails with no way to search by meaning.
Gmail search can find "pricing" but not "that newsletter about willingness-to-pay I read last spring."
Substack's bookmark feature saves the whole post — no tagging, no search across saved posts, no way to resurface a specific insight.
Paid Substack subscriptions cost $5–$10/month per writer. The ideas you paid for should be findable when you need them.
The solution
Klipt adds a clip button to every Substack article. Click once to save a key passage or the whole post — it lands in your local Mac library instantly, no cloud involved. Tagged by topic automatically. Later, search "customer discovery frameworks" and Klipt finds the right clip even if the newsletter worded it differently.
Use the extension button to clip an entire article, or select any paragraph and use Quick Klip (⌘K) to save just that insight. Stored locally on your Mac — no cloud, no sync required.
AI auto-tags every saved newsletter highlight by topic. Clips from different writers on the same subject get the same tags — your personal knowledge base works across all your subscriptions.
How it works
Open any Substack post in your browser. Click the Klipt button — or select a passage and press ⌘K — to save it locally.
On-device AI reads the clip and generates topic tags — marketing, pricing, growth, product strategy. Saved to a local database on your Mac. No cloud sync, no data leaving your machine.
Search "competitive positioning" and Klipt surfaces clips from five different writers on that topic — even when they used completely different phrasing.
Why not Readwise?
| Feature | Klipt | Readwise | Email inbox |
|---|---|---|---|
| Substack clipping | ✓ | ✓ | ✗ |
| Semantic search | ✓ | ✗ | ✗ |
| 100% offline / local-first | ✓ | ✗ | ✗ |
| Also clips LinkedIn, Discord, Telegram | ✓ | ✗ | ✗ |
| Pricing | $19/year | $7.99/mo | Free |