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AI Facebook Ads & Bulk Group Poster - Serious Poster

Chrome extension by Gavelbase · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 29 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
29
Rating
not rated yet
Users, last 18 days
+26
Version
1.1.0
Updated in the store
2026-09-08
Published
2026-08-30
Manifest
V3
Browser access
7 permissions, 2 site patterns

How it has moved

Users
+26 since 01.09
3-29 · 10 readings
2026-09-08: released 1.1.0
  1. 2026-09-013
  2. 2026-09-026
  3. 2026-09-0410
  4. 2026-09-0517
  5. 2026-09-0620
  6. 2026-09-1021
  7. 2026-09-1324
  8. 2026-09-1525
  9. 2026-09-1729
  10. 2026-09-1829
Users
+26 since 01.09
3-29 · 10 readings
2026-09-08: released 1.1.0
  1. 2026-09-013
  2. 2026-09-026
  3. 2026-09-0410
  4. 2026-09-0517
  5. 2026-09-0620
  6. 2026-09-1021
  7. 2026-09-1324
  8. 2026-09-1525
  9. 2026-09-1729
  10. 2026-09-1829

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 2 match patterns.

  • https://*.facebook.com/*
  • https://api.seriousposter.com/*
  • Attach to pages the way developer tools do debugger
  • See the address and title of every tab you have open tabs
  • Schedule work to run later alarms
Show the remaining 4
  • Show you notifications notifications
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

Version history

  1. Version 1.1.0

What changed recently

  1. Package size changed
  2. Store description rewritten (122 → 118 characters)
  3. Renamed from "Bulk Facebook Group Poster & Scheduler - Serious Poster" to "AI Facebook Ads & Bulk Group Poster - Serious Poster"
Show the remaining 1
  1. Released version 1.1.0 (was 1.0.0)

The publisher

Gavelbase. Listed website: seriousposter.com.

Like this one

Listings the catalog judges closest in what they say they do.

  1. SimplePoster - Facebook Group Auto Poster & Scheduler Describes nearly the same job, smaller audience 349 users ★ 5.0
  2. Group Posting PRO: AI Auto Poster | Scheduler | Lead Radar for Facebook™ Describes nearly the same job, smaller audience 3k users ★ 4.4
  3. SafePoster - Organically auto post to joined Facebook™ groups - 100% Safe Describes nearly the same job, smaller audience 124 users
  4. FB Auto Poster Pro Describes nearly the same job, smaller audience 9 users ★ 5.0
  5. SinapsiaPost - Group Content Manager Describes nearly the same job, smaller audience 4 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.