포트폴리오

Read-only AdMob dashboard for earnings, impressions, CTR, and match rate.

Base64 encode/decode and cryptographic hashing (MD5/SHA) for text and files, fully offline.

Pick colors from the camera or photos and save them to your palette.

A soft keyboard with a scrollable function-key row — Esc, Tab, Ctrl, Alt, arrows, and F1–F12 — for terminal and SSH work, fully offline.

JSON viewer, formatter, and API tester for developers.

Real-time regular-expression tester with color-highlighted matches and capture groups for developers.

Professional SSH/SFTP terminal client.

Pocket-sized remote console — drive a PC-side Claude Code + Gradle build environment from your Android phone.

Periodically pings your websites and REST APIs and alerts you the moment one goes down.

Manage remote InfluxDB servers (1.x/2.x/3.x) from your phone — connections, schema exploration, and queries.

Full-featured MongoDB client — browse databases and collections, run queries, and manage documents.

Connect to remote MySQL and MariaDB servers to manage databases, tables, data, users, and privileges.

Native PostgreSQL client for Android — browse schemas, run queries, and manage databases, tables, and users.

Manage remote Redis servers from your phone — browse and edit keys, run commands, and monitor.

SQLite database client for Android — open, edit, query, import, export, and maintain local DB files.

A ChatGPT-style client for your own local AI server (vLLM, LM Studio, Ollama, llama.cpp).

A private, on-device AI chatbot — inference runs locally and your data stays on the device.

Lao-Korean translator powered by Modulang API.

Korean learning app for Hmong learners.

Local video player that pre-translates subtitles (SRT/ASS/VTT or in-video text) line-by-line with your own AI — OpenAI, Claude, Gemini, or a local model.

AI-powered translator supporting 56 languages.

Age calculator and date difference tool.

Precision bubble level, angle meter, and plumb bob tool.

Full-featured scientific calculator with engineering and scientific functions.

Digital compass and spirit level using your device sensors.

Real-time currency converter with live exchange rates.

Real-time GPS-based speed measurement with HUD mode for driving.

Resize, compress, and convert images (WebP/JPEG/PNG) with single and batch workflows, fully offline.

Camera-based magnifier for small text and objects.

Beat generator and tempo manager with tap tempo and presets.

Real-time sound level meter using device microphone.

Lightweight PDF reader with a shelf-style library.

Scan and generate QR codes instantly on your Android device.

Multi-counter management with custom increments and haptic feedback.

Fast and clean offline unit converter with 10 categories.

Trim audio/video segments or extract the audio track from your media files, fully offline.

Place your favorite emoji on your home screen with a transparent widget.

Track passport, visa, insurance, license, and certificate expiry as D-Day home screen widgets.

Reusable checklist templates with home screen widgets for routines and inspections.

Rain, snow, and umbrella alerts for South Korea — today's weather at a glance via home screen widgets and a morning notification.

Set your shift rotation once and see today, tomorrow, and this week's shifts on your home screen — fully offline.

Track product warranty, exchange, and after-sales deadlines as D-Day home screen widgets.

Salary-cycle household budget — see how much you've spent and how much is left this month.

Cloud-synced block-based note-taking app.

A simple and clean text editor for Android.

A Pomodoro focus timer with accurate screen-off timing and daily focus statistics, fully offline.

Cross-platform multi-blog posting management app.

Simple and fast notepad app.

Work photo management with tag-based organization.

Parenting encyclopedia from pregnancy to adolescence.

Search in plain language to find which official Korean government or public site handles what you need — 504 services across 16 categories, with typo-tolerant search and favorites.

Digital ladder game (사다리타기) for group decisions.

Four Pillars of Destiny & I Ching reference app with neutral, theory-based interpretations.

AI-driven horoscopes, birth chart, and astrology chat — your birth data stays on your device.

Authentic 1909 Rider-Waite-Smith public-domain tarot — fully offline, share readings to ChatGPT / Gemini / Claude.