X, Bluesky, Mastodon, and Nostr all let you bookmark a post, but none of them let you search it, back it up, or get reminded about it later. Birdfeeder adds a full-text searchable archive, a weekly summary email, and export on top of the bookmarks you already save, without changing how or where you save them.
| Feature | Birdfeeder | Native bookmarks |
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| Full-text search across every bookmark |
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| Backup that survives a deleted post or suspended account |
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| Weekly summary email of what you saved |
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| Private notes on each bookmark |
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| Export to CSV, TSV, JSON, or Excel |
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| Search your bookmarks from Claude or another AI assistant |
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| Share selected bookmarks on a public profile |
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Birdfeeder works the same way across every network it supports, so you get one searchable archive no matter where you bookmark from: X (Twitter), Bluesky, Mastodon, and Nostr.