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WebSocket & Socket.IO Client

Chrome extension by oslook.com · Productivity · Developer

A Chrome extension in Productivity · Developer with 3 000 users, a small but real audience.

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
3 000
Rating
5.0 (2 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
0.0.3
Updated in the store
2026-07-22
Published
2024-12-27
Manifest
V3
Browser access
1 permission

How it has moved

Users
unchanged since 01.09
3k · 2 readings
  1. 2026-09-013k
  2. 2026-09-153k
Rating
unchanged since 01.09
reviewsrating 5.00 · 2 readings
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-15reviews2rating5.00
Users
unchanged since 01.09
3k · 2 readings
  1. 2026-09-013k
  2. 2026-09-153k
Rating
unchanged since 01.09
reviewsrating 5.00 · 2 readings
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-15reviews2rating5.00

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.

  • 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

oslook.com publishes 5 listings we track, 4k users between them. Listed website: oslook.com.

  1. JSON Formatter & Viewer oslook.com · Productivity · Developer · published 2025-01-07 229 users ★ 4.0
  2. GitHub Repo and File Size oslook.com · Productivity · Developer · published 2024-12-29 171 users
  3. Picture-in-Picture + Miniplayer for YouTube oslook.com · Productivity · Workflow · published 2026-07-18 81 users
Show 1 more from this publisher
  1. JWT Decoder & Verifier oslook.com · Productivity · Developer · published 2025-01-02 40 users

Like this one

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

  1. Flash Cloud Socket Tester Describes nearly the same job, smaller audience 6 users
  2. PieSocket - WebSocket & SocketIO Test Client Describes nearly the same job, with an established audience 30k users ★ 4.3
  3. SocketMaster: WebSocket Tester Describes nearly the same job, smaller audience 10 users
  4. WebSocket Test Client Describes nearly the same job, with an established audience 70k users ★ 4.4
  5. Simple WebSocket Client Describes nearly the same job, smaller audience 71 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.

Is this your extension?

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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.