WebSocket & Socket.IO Client icon

WebSocket & Socket.IO Client

by oslook.com · oslook.com · Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Test WebSocket and Socket.IO connections with a lightweight client. Send messages, view history, and save frequently used requests.

Users
3,000
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#18K
#16K among extensions
Version
0.0.3
updated 22 Jul 2026

Users

monthly, 2 years
01,5003,000Dec 2024Dec 2025Oct 2026
Latest, 15 Oct 2026: 3,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
012Dec 2024Dec 2025Oct 2026
Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About WebSocket & Socket.IO Client

## Features v0.0.3 Release for Socket.IO support. - 🔌 Easy WebSocket Connection Management - Quick connect/disconnect with WebSocket endpoints - Connection status monitoring - Detailed connection state logging - 🔌 Support Socket.IO Connection - Quick connect/disconnect with Socket.IO endpoints - Support for both event subscription - Support event and message - 📝 Advanced Message Handling - Support for both text and binary messages - Built-in JSON formatting and validation - Message history with timestamp and direction - Save frequently used messages for quick access - 💾 Persistent Storage - Auto-save connection history - Save favorite messages for reuse - Quick access to recent connections - 🎨 Modern User Interface - Clean and intuitive design - Real-time message updates - Compact message display - Dark/Light theme support ## Perfect for - Web developers testing WebSocket APIs - Backend developers debugging WebSocket services - QA engineers validating WebSocket implementations - Anyone working with WebSocket-based applications ## How to Use 1. Enter your WebSocket URL (e.g., ws://localhost:8080) 2. Click "Connect" to establish connection 3. Send text or binary messages 4. View real-time responses 5. Save frequently used messages for quick access 6. Monitor connection status and history ## Technical Details - Built with React and TypeScript - Uses native WebSocket API - Supports all modern browsers - Zero external dependencies for core functionality - Secure local storage for saved data Perfect for developers who need a reliable, feature-rich WebSocket testing tool right in their browser. ## Test Server - Web Socket: wss://ws.postman-echo.com/raw - Socket.IO https://ws.postman-echo.com/socketio

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year+1,000+50.0%00.00

Version history

4 versions recorded
0.0.322 Jul 2026
0.0.2.127 Jan 2025
0.0.211 Jan 2025
0.0.127 Dec 2024

Details

Category
Developer Tools
First seen
27 Dec 2024
Size
295 KB
Languages
en
Pricing
Free
Extension ID
enmpedlkjjjnhoehlkkghdjiloebecpn

Permissions and risk

Minimal riskimpact 0, likelihood 2
Permissions
storage

Alternatives to WebSocket & Socket.IO Client

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users