Welcome to Jeong Inc.

Hi, I'm Kevin Jeong. Founder of Jeong Inc. We build focused software utilities and publish research-backed global living, tax, relocation, and cellular security playbooks — fact-checked directly against official government ministries and statutory frameworks.

Software & Sovereign Playbooks

Focused utilities and operational legal guides built for location-independent builders.

D³ Drive Directory Duplicator Product Logo
Chrome Extension Utility

D³ — Drive Directory Duplicator

D³ is a lightweight, secure browser extension designed for the single, narrow purpose of recursively copying folder structures in Google Drive. Google Drive does not offer a native way to duplicate folders; D³ solves this limitation by providing a clean, one-click cloning tool directly in your browser.

Runs 100% locally in your browser sandbox, sending data directly to Google APIs. Your files and credentials never leave your browser.

Learn More & Get D³
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Canadian Bank 2FA VoWiFi Wi-Fi Calling Asian Local eSIM

Expat Phone, eSIM & 2FA Guide

Master retaining Canadian 2FA SMS numbers without $14/day roaming fees, Wi-Fi Calling execution, VoIP traps, and Dual-SIM phone setups.

Open Phone & 2FA Guide →
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10 Asian Playbooks Tax & Visa Acts Official Sources

Global Living Overview Hub

Comprehensive relocation, residency, and tax playbooks for Vietnam, Malaysia, Japan, South Korea, Taiwan, Singapore, Thailand, and Bali.

Explore Overview Hub →
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DT3 Incorporation DICA Banking 3-Year TRC

Vietnam DT3 Case Study

First-person field report detailing 100% Foreign-Owned Enterprise (FOE) setup, GAC legalization, DICA wire funding, and 3-Year TRC issuance.

Read DT3 Case Study →
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OHIP/MSP/RAMQ Traps Nomad vs IPMI Medevac Rules

Expat Insurance & Health Guide

Navigate provincial health coverage loss, nomad insurance exclusions (SafetyWing/Genki), full IPMI expat plans, and medevac flights.

Open Insurance Guide →