A library of practical digital tools.

Estimate reading time and finish time for any text using word count, speed presets, and optional start time.

Instant word count, character count, sentence and paragraph stats, plus reading time for any text.

Calculate percent of a number, percent change, and increases or decreases.

Calculate the time between two dates or add/subtract days, hours, and minutes.

Calculate break-even units, break-even revenue, and profit at different sales volumes using fixed and variable costs.

Estimate investment or savings growth with compound interest and optional recurring contributions.

Calculate tip, total, and per-person split in seconds. Optional tax and rounding.

Calculate days until a date, days since a date, or a live countdown with optional time.