H is 72 in decimal, 0x48 in hex, 01001000 in binary.
Convert plain text to HTML paragraphs with escaping and headings.
Convert JSON objects to clean YAML, client-side.
Parse YAML and export formatted JSON.
Flatten a JSON array into CSV with headers and download.
A scratchpad that opens with a worked sample note and counts words, lines, sentences and reading time as you type, autosaving to the browser and exporting as a text file.
A task list with three priority levels, click-to-complete rows, a progress bar and an open-versus-done count, saved in the browser so the list survives a reload.
The tip on any bill, what each person owes when the bill is split, and how much of that share is gratuity, with the arithmetic written out line by line.
Monthly payment, total interest and payoff term for any amortising loan, from the reducing-balance formula, with the first and last twelve payments itemised and an optional extra monthly payment.
