Substack Friend Finder
Find people who share your niche reading interests on Substack
As of June 2026, Substack Friend Finder has 6 users in the Social & Communication category.
Usersup 100.0 percent+100.0%
6
6
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.0.0
Manifest V3
History
8 snapshotsTracking since Apr 7, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 7, 2026 | 3 | — | — | 1.0.0 |
| Apr 19, 2026 | 4 | — | — | 1.0.0 |
| Apr 24, 2026 | 5 | — | — | 1.0.0 |
| May 5, 2026 | 3 | — | — | 1.0.0 |
| May 12, 2026 | 5 | — | — | 1.0.0 |
| May 20, 2026 | 7 | — | — | 1.0.0 |
| May 30, 2026 | 6 | — | — | 1.0.0 |
| Jun 8, 2026 | 5 | — | — | 1.0.0 |
| Now | 6 | — | — | 1.0.0 |
Permissions & access
- Permissions
- storageactiveTab
- Host access
- *://*.substack.com/*
Screenshots
About
Find people with similar interests based on your Substack newsletter subscriptions. HOW IT WORKS 1. Enter your Substack username 2. The extension scans your subscribed newsletters 3. For each newsletter, it finds other subscribers and followers 4. People who appear in multiple of your niche newsletters are surfaced as matches 5. Matches are ranked by a "nicheness" score - shared small newsletters count more than big ones FEATURES • Scans ALL your subscribed newsletters • Finds subscribers AND followers of each newsletter • Nicheness-weighted scoring (niche newsletters count more) • Export all matches to CSV for further analysis • Progress saves automatically - close and reopen anytime • 100% private - all data stays in your browser PRIVACY • No data is ever sent to external servers • No analytics or tracking • All data stored locally in your browser • Open source: https://github.com/vanshkumar/substack-friend-finder TIPS • Keep the Substack tab open while scanning • Scanning takes 8-15 seconds per newsletter (to avoid rate limits) • Results are cached - rescan anytime to refresh
Technical
- Version
- 1.0.0
- Manifest
- V3
- Size
- 24.88KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- ejiocllfidbjkkhjdbbmgcmocjcoakdi
- Developer ID
- u4f41161af89cabea465d1fcc5ce03b72
- Developer Email
- [email protected]
- Created
- Jan 22, 2026
- Last Updated (Store)
- Jan 22, 2026
- Last Scraped
- Jun 8, 2026
- Website
- —
- Support URL
- —
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