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CZ MultiViewer

Chrome extension by 듀나 · Lifestyle · Entertainment

  • Established publisher

A Chrome extension in Lifestyle · Entertainment with 4 000 users, a small but real audience. Audience over the last 30 days: +1 000.

Specific sites only: 4 match patterns.

What the developer says, and 1 screenshot

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

Users
4 000
Rating
4.9 (17 ratings)
Users, last 30 days
+1 000 (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
1.2.2
Updated in the store
2026-10-04
Published
2025-12-28
Manifest
V3
Browser access
6 permissions, 4 site patterns

How it has moved

Users
+1k since 03.10
3k-4k · 7 readings
2026-10-05: released 1.2.2
  1. 2026-10-043k
  2. 2026-10-083k
  3. 2026-10-244k
  4. 2026-10-253k
  5. 2026-10-274k
  6. 2026-10-294k
  7. 2026-11-024k
Rating
+0.036 since 03.10
reviewsrating 4.846-4.882 · 7 readings
2026-10-05: released 1.2.2
  1. 2026-10-04reviews15rating4.867
  2. 2026-10-08reviews16rating4.875
  3. 2026-10-24reviews16rating4.875
  4. 2026-10-25reviews16rating4.875
  5. 2026-10-27reviews16rating4.875
  6. 2026-10-29reviews17rating4.882
  7. 2026-11-02reviews17rating4.882
Users
+1k since 01.09
3k-4k · 9 readings
2026-09-16: released 1.2.02026-09-24: released 1.2.12026-10-05: released 1.2.2
  1. 2026-09-013k
  2. 2026-09-133k
  3. 2026-10-043k
  4. 2026-10-083k
  5. 2026-10-244k
  6. 2026-10-253k
  7. 2026-10-274k
  8. 2026-10-294k
  9. 2026-11-024k
Rating
-0.04 since 01.09
reviewsrating 4.85-4.92 · 9 readings
2026-09-16: released 1.2.02026-09-24: released 1.2.12026-10-05: released 1.2.2
  1. 2026-09-01reviews12rating4.92
  2. 2026-09-13reviews13rating4.85
  3. 2026-10-04reviews15rating4.87
  4. 2026-10-08reviews16rating4.88
  5. 2026-10-24reviews16rating4.88
  6. 2026-10-25reviews16rating4.88
  7. 2026-10-27reviews16rating4.88
  8. 2026-10-29reviews17rating4.88
  9. 2026-11-02reviews17rating4.88

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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: 4 match patterns.

  • https://api.chzzk.naver.com/*
  • https://nid.naver.com/*
  • https://chzzk.naver.com/*
Show the remaining 1
  • https://czviewer.duna.me/*
Show the remaining 3
  • Run its own code on the pages it can access scripting
  • Run work in a hidden page offscreen
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.2.2 · Asked for more permissions (10, was 9)
  2. Version 1.2.1
  3. Version 1.2.0 · Asked for more permissions (9, was 7)

What changed recently

  1. Package size changed
  2. Asked for more permissions (10, was 9)
  3. Store description rewritten
Show the remaining 8
  1. Released version 1.2.2 (was 1.2.1)
  2. Store description rewritten
  3. Released version 1.2.1 (was 1.2.0)
  4. Now requires Chrome 109
  5. Package size changed
  6. Asked for more permissions (9, was 7)
  7. Privacy policy link removed from the listing
  8. Released version 1.2.0 (was 1.1.1)

The publisher

듀나 publishes 6 listings we track, 4k users between them. Listed website: duna.me.

  1. 같이보기 타이머 듀나 · Productivity · Tools · published 2026-01-05 235 users
  2. 치즈 컴프레셔 듀나 · Lifestyle · Entertainment · published 2026-09-17 34 users
  3. 안녕하시지 - 치지직 당일 첫 채팅 표시 듀나 · Lifestyle · Entertainment · published 2026-04-08 14 users
Show 2 more from this publisher
  1. 챗피크 듀나 · Lifestyle · Entertainment · published 2026-09-16 5 users
  2. X Hidden Profile Stats 듀나 · Lifestyle · Social · published 2026-09-15 3 users

Like this one

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

  1. CHEESE EYES Describes nearly the same job, smaller audience 212 users ★ 5.0
  2. CZZ.multisyncviewer Describes nearly the same job, smaller audience 426 users ★ 5.0
  3. Twitch-in-Twitch Describes nearly the same job, with an established audience 10k users ★ 4.3
  4. Parallel Viewer for Twitch Describes nearly the same job, smaller audience 10 users
  5. Chzzk Latency Display Describes nearly the same job, smaller audience 4k users ★ 4.7

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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/lnpfojaeffcahabkhdahkhcnpbgkigai/badge.svg)](https://extops.dev/extensions/lnpfojaeffcahabkhdahkhcnpbgkigai)

HTML

<a href="https://extops.dev/extensions/lnpfojaeffcahabkhdahkhcnpbgkigai"><img src="https://extops.dev/extensions/lnpfojaeffcahabkhdahkhcnpbgkigai/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built