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Wi-Fi Scanner has been completely rebuilt. • New Material You design + dark mode • Live list that refreshes itself, with real-time signal for your connection • Every nearby network — signal %, band, security, channel, hidden ones too — plus the router's maker • Channel Analyzer finds your clearest 2.4/5 GHz channel • Find-my-router radar + signal history • Group by band, export to CSV • Now works in landscape and on tablets • 100% on-device — nothing is uploaded
Analyze Wi-Fi: signal, channels & security. Find your clearest channel.
Wi-Fi Scanner is a fast, private Wi-Fi analyzer that shows every network around you — and helps you fix slow Wi-Fi by finding the clearest channel for your router. Open the app and instantly see every nearby network sorted by signal strength, with its channel, band and security at a glance. No account, no sign-up — and your scan results never leave your device. WHAT YOU CAN DO 📶 Scan nearby Wi-Fi — SSID, signal strength (% and dBm), channel and 2.4 / 5 / 6 GHz band, sorted strongest first. 🔒 See security at a glance — Open, WPA2 or WPA3, with open networks flagged. 📊 Channel analyzer — find the least-congested channel using real RF scoring (overlap + signal weighted), not just a count of networks. It recommends channel 1, 6 or 11 on 2.4 GHz and the clearest channel on 5 GHz, with a 20 / 40 / 80 MHz width selector. 📈 Signal history — watch your signal over time as you walk around to map and fix dead zones. 🎯 Find my router — a live “warmer / colder” radar that gets stronger as you move toward the access point. 📤 Export to CSV — save or share a full scan for reports or troubleshooting. 🌙 Clean Material design with full dark mode. WHY THE RIGHT CHANNEL MATTERS Slow Wi-Fi is often caused by neighbouring networks overlapping yours. On 2.4 GHz, only channels 1, 6 and 11 don’t overlap — sitting in between actually causes worse interference than sharing a channel. Wi-Fi Scanner measures the real, signal-weighted interference on every channel and tells you exactly where to move your router for faster, more reliable Wi-Fi. PRIVATE BY DESIGN No account. No sign-in. No server. Wi-Fi scanning requires the location permission on Android (a platform rule for reading scan results), but the app never collects, stores or shares your location — everything stays on your device. FREE & PRO Wi-Fi Scanner is free, supported by ads. An optional one-time Pro purchase removes ads and unlocks the advanced tools (channel analyzer, signal history, router radar and CSV export). Requires Android 7.0 or newer. Perfect for setting up a new router, troubleshooting slow or dropping Wi-Fi, locating a hidden access point, running a quick site survey, or just seeing what’s on the air around you.