Little Useful

A free, open-source collection of little, useful tools.

Tools

BMI: Calculate adult BMI given weight and height
Color Picker: Pick a color and view its Hex and RGB values
Contrast Check: Check colors against WCAG contrast criteria
Counter: Count repeated lines of text by frequency
Event Countdown: Track time until upcoming events
Markdown Preview: Preview Markdown formatting.
Moon Phase: See the moon phase for any date
Process JSON: Run jq expressions on JSON data
QR Code: Generate QR codes for URLs, Wi-Fi, events, and more
Randomizer: Flip coins, generate random numbers, or pick items from a list
Reading Level: Estimate readability scores for a passage of text
Regex Test: Test regular expressions against lines of text
Scratchpad: Write a quick note to yourself
Set Comparison: Compare two lists of lines and find unique or shared entries
Timer: Run a countdown timer
Timestamp: Convert between Unix timestamps and dates
Title Capitalizer: Format a title with appropriate capitalization

Run the project locally:

pnpm install
pnpm dev