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Unofficial; not affiliated with Substack, Inc. A to-do list for your Substack replies and comments, by Substacker. Data stays local. Reply Inbox for Substack turns your Substack notifications into a simple to-do list, so you never miss a reply to a reader. • See comments on your notes and posts, replies, and mentions in one list in the side panel • Mark each one as done, or snooze it for later • Like or restack a comment right from the list • Press reply to open the comment on Substack with the reply box ready Your notifications are read with your own Substack login and stored only on this device. Nothing is sent to Substacker or anyone else. Records are deleted after 90 days, and you can delete everything from the settings. Unofficial: this extension is made by Substacker and is not affiliated with, endorsed by, or sponsored by Substack, Inc. It may stop working if Substack changes its site. Privacy policy: https://www.substacker.net/privacy#chrome-extension
Oct 18, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.