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Web Developer based in Tokyo

@toromonja

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About

$ whoami

Name

Toromonja

Location

Tokyo, Japan

Role

Web Developer

Interests

Web Development / Football / Shogi

about.ts

1const developer = {

2name: "Toromonja",

3location: "Tokyo",

4stack: ["TS", "Next.js", "React"],

5tools: ["Claude Code", "ChatGPT"],

6passion: "Building for the web",

7available: true

8};

10developer.build(); // 🚀

Tech Stack

$ cat ~/.skills

Languages

TypeScript

JavaScript

Python

Frameworks & Libraries

Next.js

React

Node.js

Tailwind CSS

Infrastructure

Cloudflare

Supabase

Turso

SQLite

AI

Claude Code

ChatGPT

Perplexity

Tools

Git

GitHub

Projects

$ ls -la ~/projects

View

freenavi

A comprehensive tax and social insurance guide for Japanese freelancers. Covers income tax, invoice system, national health insurance, pension, and tax-saving strategies — with free simulators for take-home pay, insurance premiums, and invoice impact.

Next.jsTypeScriptTailwind CSSCloudflare Workers

View

nanbyonavi

A comprehensive information hub for patients and families living with intractable and rare diseases in Japan. Features 383+ disease pages with symptoms, causes, treatments, and real-time clinical trial data via ClinicalTrials.gov API.

Next.jsTypeScriptTailwind CSSCloudflare Workers

View

OncoClear

A bilingual cancer information search platform providing comprehensive data on cancer types, treatments, and latest approaches in both Japanese and English.

Next.jsTypeScriptTailwind CSSCloudflare Workersi18nTurso

View

Meiryokan

A bilingual guide to Japan's finest ryokan (traditional inns). Features interactive map search, region/category filters, guest reviews from Rakuten Travel, and affiliate booking links for both Japanese and international travelers.

Next.jsTypeScriptTailwind CSSCloudflare Workersi18nTursoLeaflet

View

AI NEWS

An automated AI news curation platform that researches AI articles via Perplexity AI, and generates Japanese summaries. The full pipeline runs twice daily on Cloudflare Workers with ISR, RSS feeds, tag-based search, and duplicate detection.

Next.jsTypeScriptTailwind CSSCloudflare WorkersSQLitePerplexity AI APISatori

View

S&P500 Predictor

A fully automated web app that predicts the next-day direction (UP/DOWN) of the S&P500 index by analyzing financial news sentiment using GPT-based scoring.

Next.jsTypeScriptCloudflare WorkersSQLitei18nRecharts

View

CSS Animation Gallery

A curated collection of copy-paste-ready CSS animations with live previews and one-click code copying. Organized into 15 categories including transitions, loading spinners, text effects, hover effects, and more.

Next.jsTypeScriptTailwind CSSCloudflare Workers

View

Feed Creator

Generate RSS/JSON feeds from any webpage. Enter a URL, preview the repeating items, map fields, and copy the feed URL. Multilingual UI supported.

Next.jsTypeScriptCloudflare Workersi18n

View

MAN-SAKU!

Search and read daily updated manga from popular weekly magazines like Shonen Jump, Shonen Sunday, and Shonen Magazine.

Next.jsTypeScriptShadcn/uiSupabaseCloudflare

View

Copy/Paste Tabs URLs Chrome Extension

Simple extension to copy URLs of all open tabs and paste from clipboard text and open them in new tabs.

JavascriptManifest V3

View

Folder-to-ZIP Converter

A desktop GUI tool that allows users to drag and drop multiple folders and compress each into individual ZIP files. Built with Python and TkinterDnD.

PythonTkinterTkinterDnD2zipfileGUI Design

View

File Name Replacer

A powerful desktop GUI tool for batch-renaming files in a folder using search and replace strings with support for regex, case sensitivity, and recursive renaming. Built with Python and ttkbootstrap.

PythonTkinterttkbootstrapRegexGUI Design

Contact

$ echo $CONTACT

Feel free to reach out for collaborations or just a friendly hello.

@toromonja