George Marr
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Tools

Text

Regex Tester

Test and debug regular expressions with live matching

Data

JSON Linter

Validate and format JSON with syntax highlighting

Game Dev

Loot Table Visualiser

Simulate weighted loot tables and analyse drop distribution

Data

JSON ↔ YAML Converter

Convert between JSON and YAML formats bidirectionally

Design

Color Converter

Convert between Hex, RGB, HSL and CSS color formats

Date/Time

Timestamp Converter

Convert Unix timestamps to dates and vice versa with timezone support

Data

Diff Checker

Upload two JSON/YAML files, compare side-by-side, and merge values per conflict

Data

Missing Elements Merger

Upload two JSON/YAML files, auto-merge missing elements, and show lint with change counts

Data

CSV to JSON

Convert CSV data to JSON with column mapping options

Date/Time

Cron Expression Validator

Validate cron expressions and preview next run times

Game Dev

MC Sound Designer

Design Minecraft sound effects with layered playsound commands and live preview

Encoding

Base64 Encoder/Decoder

Encode and decode Base64 strings with text and file support

Game Dev

MC Colour Formatter

Preview Minecraft § colour and formatting codes with live rendering

Security

Link Previewer

Reveal where shortened or suspicious links lead with a screenshot preview

BlogProjects

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