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ttomohisa/README.md

Hi there 👋

I work in cloud architecture and data engineering, focusing on Azure and Databricks. I enjoy building server-free, single-file HTML tools to solve small everyday pain points I run into at work and in personal projects.

🔧 What I'm Building

All of these are "browser-only" and "offline-first" tools — no data ever leaves your machine.

Repository Description
html-parquet-viewer Drag-and-drop a Parquet file into the browser to instantly view its schema and data as a table
image-to-webp-base64 Converts images to WebP format and generates a Base64-encoded string (data URI)
htmlapps-office-image-extractor Extracts all embedded images from Office files (Word/Excel/PowerPoint) in bulk
htmlapps-jargon-bingo A private, offline meeting-jargon bingo game with customizable and JSON-importable word packs, 3x3/4x4/5x5 cards, PNG export, and an always-on-top Document Picture-in-Picture card with stealth and Boss modes
htmlappps-gif-optimizer Optimizes animated GIFs directly in the browser to help reduce file size
htmlapps-temporary-links A disposable local work queue for temporary web links, file:/// URLs, Windows paths, and UNC paths, with expiry rules, notes, Markdown export, and an always-on-top Document Picture-in-Picture window
htmlapps-private-face-redactor Detects faces locally with YuNet and ONNX Runtime Web, then redacts them using pixelation, blur, solid fills, eye bars, emoji, or custom-image overlays; supports manual masks, stamps, and JPEG/PNG/WebP export
htmlapps-mine-window A self-contained offline Minesweeper game that runs in a Document Picture-in-Picture floating window, with local records, resumable games, custom boards, keyboard/touch controls, and an optional Boss mode

💡 Development Philosophy

  • Single-file HTML distribution: no build step — just download and open
  • Offline-first: all processing happens in the browser, nothing is sent externally
  • Vanilla JavaScript: avoiding framework lock-in for long-term maintainability

🛠 Skills & Interests

  • Cloud: Azure (VMs, Functions, SQL Database, Cosmos DB, IoT Hub, Log Analytics)
  • Data Engineering: Databricks, Parquet, MLflow

📫 Contact

Feel free to reach out via GitHub Issues or PRs!

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