Jason Schwarzenberger

I've made a personal finance app to help me understand my spending habits.

An income breakdown calculator inspired by paye.net.nz, with the potential to compare standard salaried or wage employee income against self-employed contractor income.

Visualisation of my Telegram chats & contacts. Names of users and chats have been redacted.

When I came across the T-Deck, I thought it could be a fun device to give to my child instead of a phone so she can navigate Whangārei and still be in contact with us.

I didn't expect that I would fork a C++ project to extend the firmware to my liking.

As an effort to learn a bit about React, I created a timer that uses the Temporal API.

Measurement is based on duration between Temporal.Instant instances, subtracting any accumulated paused time.

In 2015 I created LOLcryption, a Caesar substitution cipher that aims to preserve some ability to pronounce the output.

As an effort to learn a bit about React, I created a LOLcryption component and website that replaces the original.

A snake game for https://t0.vc/g, created using Claude.ai.

A Tetris game for t0.vc

I discovered a bug in Chrome web browser that reveals DRM protected video during a screen recording if there are CSS filters applied to any parent element.

Here is a demo reproduction page.

Adds a colour picker & toolbar to drawing canvas for https://t0.vc/g.