Liv

Building Stuff

R&D · AI · Techpreneur · First Principler

A personal hub for the small, sharp web tools I build, the open-source libraries behind them, and the things I write.

Tools

Small, sharp & client-side

Dither Image Tool

Retro ordered & error-diffusion dithering for images and video.

imagecanvas

Event Camera

Live DVS / event-camera simulation from your webcam.

webcamvision

Copy Bin

Share text across devices via a short link (24h).

utilitysync

WhatsApp Launcher

Open a WhatsApp chat with a number you haven’t saved.

utilitychat

QR Code Generator

Generate QR codes — text, URL, WiFi, vCard and more.

utilityqr

ObjectID ⇄ Timestamp

Convert a MongoDB ObjectID to its date and back.

devmongodb

YAML ⇄ JSON

Convert between YAML and JSON, both directions.

devconvert

CSS Squeezer

Squeeze CSS rules onto single lines, or minify.

devcss

Markdown Editor

Side-by-side Markdown editor with live preview.

writingmarkdown

HTML → Pug

Convert HTML to Pug/Jade in your browser.

devconvert

Sheet → Timeline

Turn a Google Sheet into a timeline / gantt chart.

datatimeline

Writing

Articles & notes

MongoDB Pro Hint — Use ObjectID as TimestampIntroducing the ObjectId Utility — a tool to convert ObjectId to timestamp and vice versa, and how to exploit the default _id index.
Jun 2022
Introducing Sheet2TimelineIntroducing Sheet2Timeline — Timeline/Gantt generated from a Google Spreadsheet (Sheets).
Feb 2022
What Kind of Leader are you — Chef or Salesman?It just recently stroke me that those kinds essentially boil down into 2 types — the "Chef" and the "Salesman" leaders. Read more...
Feb 2021
A new Dependency Injection container for TS/JS ↗Introducing di.libx.js.
Jan 2021
The missing piece of async programming in JS/TS ↗Introducing concurrency.libx.js.
Jun 2020
Tools every Indie Maker needs to know ↗
Nov 2019
Don’t Document, Automate! ↗Documentation vs automation.
Aug 2019
Blockchain, Blockchain — Definition Needed! ↗Clarifying the terms.
Oct 2018
We’re in the middle of a revolution — Digital Assets ↗The masterpiece behind Bitcoin.
Jan 2018
Why Bitcoin is a digital asset, not a currency ↗
Jan 2018
What do they really want? ↗A quest for product-market-fit.
Jan 2018

Work

Open-source & projects

edge.libx.js

Edge-runtime toolkit — routers, MCP bridge and building blocks.

🛠 libx.js

A toolbelt of modules and helpers for node & web apps.

💉 di.libx.js

Lightweight, non-intrusive dependency injection with async resolution.

᭟ concurrency.libx.js

Better concurrency, parallelism and promise helpers.

⛩ Dojo-SDK

Simulated, deterministic environments to practice system design.

🏗 ts-scaffold

TypeScript project scaffold with tests and CI set up.

📦 pax.libx.js

Packaging, bundling and building for modern web.

postman2swagger

Convert a Postman collection to Swagger / OpenAPI.

More on GitHub

The rest of the projects and experiments.