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Dark Calm

Chrome extension by LuanCastoldi · Lifestyle · Well Being

A Chrome extension in Lifestyle · Well Being with 4 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

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

Users
4
Rating
not rated yet
Users, last 17 days
unchanged
Version
1.0.0
Updated in the store
2026-02-16
Published
2026-02-16
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
unchanged since 01.09
4-5 · 8 readings
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-044
  4. 2026-09-065
  5. 2026-09-074
  6. 2026-09-094
  7. 2026-09-155
  8. 2026-09-174
Users
unchanged since 01.09
4-5 · 8 readings
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-044
  4. 2026-09-065
  5. 2026-09-074
  6. 2026-09-094
  7. 2026-09-155
  8. 2026-09-174

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

Every site you visit. This extension can read and change the content of any page you open.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

LuanCastoldi publishes 12 listings we track, 32k users between them.

  1. Agent Name for WhatsApp Web — Zapme LuanCastoldi · Productivity · Communication · published 2024-04-21 30k users ★ 4.9
  2. Kanbap: CRM para WhatsApp Web LuanCastoldi · Productivity · Tools · published 2026-05-26 953 users ★ 4.7
  3. Zonion - Kanban WhatsApp Web LuanCastoldi · Productivity · Workflow · published 2025-07-10 355 users ★ 3.5
Show 5 more from this publisher
  1. Nextzap: Disparo de mensagens para WhatsApp Web LuanCastoldi · Productivity · Tools · published 2025-08-10 183 users
  2. Zupi AI: Agente de IA para WhatsApp Web LuanCastoldi · Productivity · Tools · published 2026-07-26 33 users ★ 5.0
  3. Instame - Agent name for Instagram LuanCastoldi · Productivity · Tools · published 2026-07-31 24 users
  4. Agente de IA para WhatsApp™ Web LuanCastoldi · Productivity · Tools · published 2025-07-24 8 users
  5. Pix Sem Taxa LuanCastoldi · Productivity · Tools · published 2024-12-18 5 users

Like this one

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

  1. CalmScreen — Eye Comfort Describes nearly the same job, smaller audience 5 users
  2. Calm — Screen Brightness & Light Filter Describes nearly the same job, smaller audience 25 users
  3. Screen Dimmer – Blue Light Filter Describes nearly the same job, smaller audience 762 users ★ 5.0
  4. NightShield: Blue Light Filter Describes nearly the same job, smaller audience 19 users
  5. VistaCálida Describes nearly the same job, smaller audience 3 users (last published figure)

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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

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.