WHSMACON
Apps, tools, and other things.
Apps
DeadSpread
A music app for jam band fans, highlighting the Grateful Dead and Widespread Panic. iOS, Android, FireOS, Web.
legitWeather
A weather app with a map, daily and hourly forecasts, and saved locations. iOS, Android.
Tools
Base64 Encode/Decode
Convert text to and from Base64.
JSON Formatter
Format, minify, and validate JSON.
URL Encode/Decode
Encode and decode URLs.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512.
UUID Generator
Generate unique identifiers.
Password Generator
Create strong, random passwords.
Unix Timestamp
Convert between timestamps and dates.
Color Converter
Convert between HEX, RGB, HSL.
QR Code Generator
Create QR codes from text or URLs.
Text Diff
Compare two texts side by side.
Lorem Ipsum
Generate placeholder text.
Regex Tester
Test regular expressions live.
Image to Base64
Convert images to Base64 strings.
JWT Decoder
Decode JSON Web Tokens.
Cron Parser
Parse and explain cron expressions.
HTML Entities
Encode and decode HTML entities.
Markdown Preview
Preview Markdown as HTML.
PDF Version Converter
Convert PDFs between versions.
PDF to JPEG
Convert PDF pages to images.
Articles
View all articlesCommon Sources of Error in Trading Backtests
Survivorship bias, costs, lookahead, and overfitting.
Understanding Index Funds and ETFs
Two common types of pooled investment funds.
UUIDs Explained: Versions and Use Cases
How UUIDs are structured and the versions in use.
An Introduction to Hashing Algorithms
Cryptographic hash functions and their uses.
How to Read Your Raw DNA Data
Understanding raw files from consumer DNA tests.
Genetic Deep Dive Report
399 SNP variants across 23 categories.