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MonoSleep - Pre-Bedtime Grayscale

Chrome extension by sarai apps · Lifestyle · Well Being

A Chrome extension in Lifestyle · Well Being with 3 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 4 screenshots

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

Users
3
Rating
not rated yet
Users, last 15 days
+3
Version
1.2.0
Updated in the store
2026-10-02
Published
2026-09-19
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+3 since 20.09
0-4 · 6 readings
2026-09-20: appeared in the store2026-09-29: released 1.1.02026-10-02: released 1.2.0
  1. 2026-09-200appeared in the store
  2. 2026-09-211
  3. 2026-09-253
  4. 2026-09-264
  5. 2026-09-283
  6. 2026-10-043
Users
+3 since 20.09
0-4 · 6 readings
2026-09-20: appeared in the store2026-09-29: released 1.1.02026-10-02: released 1.2.0
  1. 2026-09-200appeared in the store
  2. 2026-09-211
  3. 2026-09-253
  4. 2026-09-264
  5. 2026-09-283
  6. 2026-10-043

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.2.0
  2. Version 1.1.0

What changed recently

  1. Package size changed
  2. Released version 1.2.0 (was 1.1.0)
  3. Package size changed
Show the remaining 2
  1. Released version 1.1.0 (was 1.0.0)
  2. Appeared in the store

The publisher

sarai apps publishes 2 listings we track, 6 users between them.

  1. SimpliSnap - Minimalist Screenshot Tool sarai apps · Productivity · Tools · published 2026-09-16 3 users

Like this one

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

  1. Good Night Describes nearly the same job, smaller audience 6 users
  2. Web Night — Dark Mode with Schedule Describes nearly the same job, smaller audience 6 users ★ 2.0
  3. Monotone – Grayscale & Blue Light Filter Describes nearly the same job, smaller audience 13 users
  4. SleepyHead Describes nearly the same job, smaller audience 86 users ★ 1.0
  5. Monochromatic Describes nearly the same job, smaller audience 11 users

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.