Nova Authenticator
Secure two-factor authentication (2FA) right in your browser. Generate 6-digit TOTP codes with local encryption and instant autofill.
Chrome Extension Developer in Davao, Philippines 🇵🇭
Top Chrome Extension Developer in the Philippines.
Hi, I’m Carlo San Juan. Specialized in building fast, secure, and intuitive browser extensions. Creator of 14 published Chrome Extensions built right in Davao City, Philippines to supercharge your web browsing and productivity.
14
Published Extensions
100%
Manifest V3 Ready
Davao, PH
Local & Global Clients
CS
Nova Authenticator MV3
v2.1.0 • Davao City, Philippines
Local TOTP Generator
Encrypted in chrome.storage.session
Isolated Shadow DOM Tooltip
Zero CSS collision on host pages
Background Console
Service Worker: Active
[INFO] Carlo San Juan Extensions Engine active
[READY] 14 extensions verified on Google Chrome Web Store
[LOCATION] Serving from Davao City, Philippines
CHROME WEB STORE EXTENSIONS
Free Chrome Extensions by Carlo San Juan
Looking for a Chrome extension Davao or Chrome extension Philippines specialist? Below are all 14 published Google Chrome Extensions developed by Carlo San Juan, available to install for free directly from the official Chrome Web Store.
VoxRead
High-clarity Text-to-Speech (TTS) reader that transforms any webpage, PDF, or documentation into natural voice audio with variable speeds.
Element Inspector
Quickly inspect, hover, and extract DOM element properties, computed styles, fonts, and box models on any webpage without opening DevTools panels.
My Scrapper
Effortlessly scrape dynamic web tables, list items, and DOM datasets directly into CSV or JSON formats without writing backend scripts.
Company Checkbox Manager
Batch manage, select, and filter multi-company checkboxes inside enterprise CRM and ERP platforms in a single click.
Odoo Shortcuts Manager
Supercharge your Odoo ERP workflow with custom keyboard shortcuts, quick navigation, debug mode toggle, and omnibar search jumps.
Odoo Field Overlay
Instantly reveal technical field names, models, and relational definitions directly on Odoo views without activating debug mode.
Universal Menu
Unified quick-launch floating menu providing instant access to your most frequent tools, shortcuts, and web apps from anywhere on the web.
Snap Advanced Screenshot
Capture full-page scrolling screenshots, crop selected regions, or visible tabs with integrated markup annotations and 1-click clipboard export.
Iligani UA Switcher
Effortlessly switch browser User-Agent strings to test desktop, mobile, tablet, and custom bot environments using declarativeNetRequest rules.
Iligani Extension Manager
Manage, toggle, group, and organize all your installed Chrome extensions from a sleek popup with custom profiles and instant search.
Iligani Color Picker
Precision eyedropper and color palette generator that samples any pixel from any webpage with zoom magnifier and auto-formatting HEX/RGB/HSL.
Iligani Email Search
Quickly discover and parse public email addresses from active web pages and contact sections with deduplication and 1-click export.
Apex JoyTab Controller
Connect and map gamepad or joystick controllers to navigate browser tabs, media playback, web navigation, and online games.
DAVAO CITY, PHILIPPINES
About Carlo San Juan
Hi, I'm Carlo San Juan — a passionate Chrome Extension Developer based in Davao City, Philippines. I specialize in building Chrome Extensions in the Philippines that are fast, secure, and beautifully designed. Whether you're looking for a Chrome Extension Developer in Davao or a Chrome Extension Developer in the Philippines, you're in the right place. All extensions below are free to install directly from the Chrome Web Store.
Manifest V3 Mastery
Built strictly within Manifest V3 guidelines—handling ephemeral service workers, declarativeNetRequest, and offscreen documents with state preservation.
Zero-Footprint Injections
Ultra-clean content scripts that play nicely with existing host page DOM, stylesheets, and third-party frameworks using Shadow DOM encapsulation.
Chrome Web Store Approval
Deep familiarity with Google's Single Purpose Policy, remote code restrictions, CSP enforcement, and permissions minimization to ensure fast store audits.
Philippines & Global Engineering
Proudly based in Davao City, delivering production-grade extensions to thousands of users across the Philippines and worldwide.
INTERACTIVE LAB
Test Drive Chrome Extension APIs
Interact with simulated Chrome runtime events right in your browser. Experience how Carlo designs reactive, responsive browser extensions.
https://store-checkout.example.com
Document Ready
Product Summary
Order #98421 • 3 Items in Cart • Subtotal: $149.00
Click "Inject Overlay" or "Extract DOM Data" above to see the extension in action.
Chrome API Execution Log
JavaScript (ES2024)
// Ready for interaction.
// Click any API action on the left to simulate chrome.* calls.CORE CAPABILITIES
Technical Toolbelt
Proficiency across the full spectrum of Chrome Extension APIs, browser quirks, and modern web frameworks.
Chrome Extension APIs
chrome.runtime(Messaging & Lifecycles)chrome.storage(local, sync, session)chrome.scripting(Dynamic execution)chrome.declarativeNetRequest(Ad/tracker rules)chrome.sidePanel& Omnibox APIchrome.identity(Google OAuth2)
Frontend & UI Injection
- Shadow DOM & Style Scoping
- Vanilla JS (ESNext), TypeScript
- React & Vue Extension Popups
- Tailwind / Custom CSS Micro-UIs
- MutationObserver & DOM scraping
- Canvas & WebRTC integrations
DevOps & Store Compliance
- Chrome Web Store Developer Dashboard
- Automated CI/CD Zip Builds (GitHub Actions)
- Cross-browser (Firefox WebExtensions, Edge, Brave)
- CSP & Manifest V3 migration auditing
- Error telemetry (Sentry for Extensions)
- E2E Extension testing with Playwright/Puppeteer
GET IN TOUCH
Have a Chrome Extension in Mind?
Looking for a Chrome Extension Developer in Davao, Philippines? Whether you need a brand-new Manifest V3 extension, migration, or custom enterprise automation, let's talk.