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SocketMaster: WebSocket Tester

Chrome extension by unlein pvt ltd · Productivity · Developer

A Chrome extension in Productivity · Developer with 10 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 3 screenshots

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

Users
10
Rating
not rated yet
Users, last 16 days
-1
Version
1.2.0
Updated in the store
2026-01-14
Published
2026-01-14
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
-1 since 31.08
8-11 · 4 readings
  1. 2026-08-3111
  2. 2026-09-0410
  3. 2026-09-068
  4. 2026-09-1510
Users
-1 since 31.08
8-11 · 4 readings
  1. 2026-08-3111
  2. 2026-09-0410
  3. 2026-09-068
  4. 2026-09-1510

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.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

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

The publisher

unlein pvt ltd publishes 4 listings we track, 55 users between them. Listed website: unlein.com.

  1. Auto Form Filler Pro unlein pvt ltd · Productivity · Tools · published 2025-06-13 17 users ★ 5.0
  2. Json Formatter - Unplug Dev unlein pvt ltd · Productivity · Developer · published 2025-03-07 17 users ★ 5.0
  3. Color Picker - Unplug Dev unlein pvt ltd · Productivity · Developer · published 2025-04-14 11 users ★ 5.0

Like this one

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

  1. PieSocket - WebSocket & SocketIO Test Client Describes nearly the same job, with an established audience 30k users ★ 4.3
  2. WebSocket Client Tool Describes nearly the same job, smaller audience 214 users
  3. WebSocket DevTools Describes nearly the same job, with an established audience 10k users ★ 4.8
  4. Rockite - WebSocket Client Describes nearly the same job, smaller audience 100 users ★ 5.0
  5. Socket Inspector - WebSocket Debugging Tools Describes nearly the same job, smaller audience 141 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.

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.