Detect localhost apps, scan ports with intelligent server identification, and save configurations
Users
26
β5 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#138K
#115K among extensions
Version
3.1.0
updated 28 Feb 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:26 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:0 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 Localhost App Detector
π LOCALHOST APP DETECTOR - The Ultimate Developer Tool for Local Development
A must-have Chrome extension for web developers who work with multiple localhost applications and development servers.
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β¨ KEY FEATURES
π AUTOMATIC LOCALHOST DETECTION
β’ Automatically detects when you visit any localhost URL
β’ Tracks all ports you've accessed in real-time
β’ One-click access to open any detected app
β’ Auto-cleanup removes inactive apps after 5 minutes
π POWERFUL PORT SCANNER
β’ Quick Scan: checks ~100 common development ports in seconds
β’ Deep Scan: comprehensive scan of 400+ ports
β’ Identifies 100+ frameworks and services automatically
β’ Shows response times, HTTP status, framework badges
β’ Auto-scans when you open the popup
πΎ SAVED APPS MANAGER
β’ Save your favorite development URLs permanently
β’ Add tags to organize your apps
β’ Mark favorites and track access counts
β’ Search and filter your saved apps
β’ Import/Export configurations for team sharing
β’ Statistics: total saved and favorites at a glance
βοΈ SETTINGS
β’ Toggle auto-scan on popup open
β’ Choose quick vs. deep scan as default
β’ All settings persist across sessions
π¨ BEAUTIFUL INTERFACE
β’ Modern, clean design with smooth animations
β’ Three-tab navigation: Detected, Saved, Scanner
β’ Visual badges showing app counts
β’ Framework-specific icons and color coding
β’ Search on both Detected and Saved tabs
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π DETECTED FRAMEWORKS & SERVICES
The port scanner automatically identifies:
β’ Frontend: React, Next.js, Vue, Nuxt, Angular, Svelte, Vite
β’ Backend: Express, Django, Flask, FastAPI, Rails, Laravel, Spring
β’ Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch
β’ Tools: Storybook, Jupyter, Swagger, Webpack Dev Server, Parcel
β’ And 100+ more services across 400+ ports
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π PRIVACY FOCUSED
β’ Only monitors localhost (127.0.0.1) traffic β nothing else
β’ NO data sent to any external servers, ever
β’ All data stored locally on your machine only
β’ Minimal permissions β only what's necessary
β’ Open source and fully auditable
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π‘ PERFECT FOR
β’ Frontend developers (React, Vue, Angular, Svelte)
β’ Backend developers (Node.js, Python, PHP, Go, Ruby)
β’ Full-stack developers juggling multiple services
β’ Anyone who forgets which port their dev server is on
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Download now and stop guessing which port your app is running on. π