Proxy Manager & User Agent Switcher - SEOULTRA

Proxy toggle & User-Agent switcher. HTTP/HTTPS/SOCKS4/SOCKS5, 17+ bot presets & custom UA.

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 • Supports HTTP, HTTPS, SOCKS4, and SOCKS5 schemes • Configurable host, port, and bypass list (e.g. <local>, 127.0.0.1, localhost) • Automatic connectivity re-check after every change • MV3-compliant: Chrome will prompt you if the proxy requires authentication ── User-Agent Switcher ── • Override your browser's User-Agent header from the popup or options page • 17+ presets: Googlebot, Bingbot, YandexBot, Baiduspider, DuckDuckBot, Applebot, GPTBot, ChatGPT-User, OAI-SearchBot, ClaudeBot, Claude-Web, PerplexityBot, Bytespider, Cohere-AI, Twitterbot, Facebookbot, LinkedInBot • Custom User-Agent text input • Independent enable/disable toggle — works with or without 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 ── What's new in 1.4.0 ── • Mustang console popup — car-style toggle console with vertical flip switches (up = ON, down = OFF), LED indicators, red glowing border, SEOULTRA logo header • Icons on toggle levers — shield, user, gear, refresh on each switch handle • Compact options page — scheme/host/port on one row, streamlined buttons, "Proxy Setting" card title, SEOULTRA logo header • Professional CSS design tokens — 40+ variables for consistent theming • Smooth popup open — pre-allocated dimensions + opacity fade-in • Removed viewport emulation and network throttle (experimental, will return) ── What's new in 1.3.0 ── • User-Agent Switcher — new feature with 17+ bot presets plus custom input • 6 toolbar icon states — unique icons for every proxy/UA combination, with a sunglasses badge overlay when User-Agent is active • Options page UA section — full card with cyan/teal theme, toggle, dropdown, custom input, and live preview status bar • Popup redesigned — proxy and UA are separate sections with independent toggles, color-coded badges, and "UA ACTIVE" indicator • Footer moved — "Check for updates" is now in the popup footer • Renamed to "Proxy Manager & User Agent Switcher — SEOULTRA" • Added declarativeNetRequest permission for header modification ── What's new in 1.2.1 ── • Two-way sync between popup and options — toggling Enable on either surface updates the other in real time • Refined options-page footer with SEOULTRA branding (linked to seoultra.id), single-row layout on desktop, stacked on mobile • Page title updated to "Minimal Proxy Setting — SEOULTRA" • Fixed an MV3 service-worker bug where setIcon could fail with "Failed to fetch" on first install • Documentation cleanup ── What's new in 1.2.0 ── • Brand refresh — now uses a unified logo that turns grayscale when disabled and shows a green/red status dot when enabled • Transparent popup background for a cleaner look in the toolbar • New "Check for updates" link in both popup and options page • Reorganized assets folder and refined background worker code • Renamed to "Minimal Proxy Manager — SEOULTRA" ── What's new in 1.1.0 ── • Initial public release with HTTP/HTTPS/SOCKS support, bypass list, and three-state toolbar icon ── Permissions ── • proxy — required to set Chrome's proxy configuration • storage — saves settings locally • declarativeNetRequest — required to modify the User-Agent request header • <all_urls> — required so the proxy and UA override apply to all sites No analytics. No tracking. No remote code. Open, auditable, and minimal by design.