UTILITY DECK / BUILT TO SCRATCH AN ITCH

Tools & tests

It does not need to be fashionable. It needs to work, teach me something, or make an annoying task shorter. Often all three.

Text07 nodes

JSON Validator

Inspect and validate JSON without handing the payload to a third party.

XML Validator

A quick browser-side sanity check for XML documents.

Base64 Encode–Decode

Encode or decode text locally in the browser.

Password Generator

Generate configurable passwords without a round trip to a server.

Demo RSS Reader

A small RSS parsing and reading experiment.

JSNotepad

A scratchpad for text and JavaScript experiments.

YouTube to RSS

Turn a YouTube channel identifier into a useful RSS feed address.

Linux03 nodes

Cron expression builder

Assemble and read cron schedules without counting asterisks twice.

Linux permission calculator

Translate Unix file permissions between symbolic and octal forms.

Linux command cheat sheet

A compact reference for commands worth keeping close.

Units03 nodes

World Time Dashboard

Keep several time zones visible on one uncluttered board.

Units converter

Convert common measurements with a small, direct interface.

Currency conversion

An exchange-rate conversion experiment.

Shenanigans03 nodes

JSDOS 1.25

A browser-built DOS-like playground for the incurably curious.

Super Java Script

JavaScript mischief with the safety cover intentionally removed.

MIDI to PC Speaker

Reduce MIDI to the gloriously limited voice of a PC speaker.

Graphics04 nodes

Barcode & QR Code generator

Create machine-readable codes directly in the browser.

JPG/JPEG to PNG

A local image-format conversion utility.

PNG to JPG

Convert PNG files to JPEG locally.

Paint

A deliberately simple browser paint program.

Release notes03 nodes

JSNotepad release notes

The preserved change log for JSNotepad.

JSDOS 1.25 release notes

The preserved change log for the JSDOS experiment.

Paint release notes

The preserved change log for Paint.