Proxy Manager & User Agent Switcher - SEOULTRA

Proxy Manager & User Agent Switcher — SEOULTRA A proxy manager and User-Agent switcher for Chrome built with Manifest V3. Toggle features on/off with a Mustang-style console popup. ── Toolbar status icon ── • Colorful logo + GREEN dot → Proxy ON and connected • Colorful logo + RED dot → Proxy ON but not reachable / misconfigured • Grayscale logo (no dot) → Proxy OFF • Grayscale logo + UA badge → Proxy OFF, User-Agent ON • Colorful logo + GREEN dot + UA badge → Proxy ON connected + User-Agent ON • Colorful logo + RED dot + UA badge → Proxy ON not reachable + User-Agent ON ── Proxy Features ── • One-click enable/disable from the popup • Up to 8 saved proxy profiles — name each one and give it a color • Color-coded toolbar badge — the active profile's color + short label show on the toolbar icon, so you always know which proxy is live • Three routing modes: · Single — one active profile for the whole browser · Per-tab — each tab picks its own profile · Auto — route by per-profile URL rules (e.g. *.localhost/*) • Proxy authentication — save a username & password per profile, no repeated prompts • HTTP, HTTPS, SOCKS4, and SOCKS5 • Per-profile host, port, and bypass list (a bare domain also matches its subdomains) • Import / export all settings to a file for easy backup or transfer • Automatic connectivity re-check after every change ── User-Agent Switcher ── • Override your browser's User-Agent from the popup or options page • Independent enable/disable toggle — works with or without the proxy ── General ── • Mustang console popup — car-style vertical toggle switches with LED indicators • Color-coded LEDs: green (proxy), cyan (UA) • Icons on toggle levers: shield (proxy), user (UA), gear (setup), refresh (update) • 6 toolbar icon states — instantly see proxy + UA status at a glance • Two-way sync — popup and options page stay in sync in real time • Professional CSS design token system — consistent theming across all surfaces • Compact options page — scheme, host, port in one row • Smooth popup open with pre-allocated dimensions • Settings stored locally in chrome.storage.local — nothing leaves your browser ── Permissions ── • proxy — set the browser's proxy configuration • storage — save settings locally • declarativeNetRequest — modify the User-Agent request header • webRequest + auth — supply the saved proxy username/password when challenged • <all_urls> — apply the proxy and UA override to all sites No analytics. No tracking. No remote code. Open, auditable, and minimal by design.