Finance · Utility
Compound Interest Calculator
See how savings grow with contributions over time.
A separate directory from the catalog below.
Finance · Utility
See how savings grow with contributions over time.
Business · Utility
Find the sales volume needed to cover your costs.
Developer · Utility
Format, validate, and minify JSON in your browser.
Creator · Utility
Count words, characters, and estimated reading time.
Finance · Utility
Compare tax-free bond yields with taxable investments.
Business · Utility
Calculate gross profit and gross margin from revenue and COGS.
Finance · Utility
Find the annualized growth rate between two values.
Developer · Utility
Generate secure version 4 UUIDs on demand.
Business · Utility
Convert between markup and gross margin percentages.
Developer · Utility
Convert Unix timestamps and readable UTC dates.
Creator · Utility
Resize dimensions without stretching your image or video.
Finance · Utility
Size a trade from account risk and stop distance.
Business · Utility
Estimate how many months current cash can support.
Finance · Utility
Combine asset weights and returns into one result.
Math & Statistics · Utility
Measure the relative increase or decrease between values.
Creator · Guided workflow
Turn a topic into practical opening-hook directions.
Developer · Utility
Encode or decode Unicode text locally.
Math & Statistics · Utility
Summarize the spread of a numeric data set.
Math & Statistics · Utility
Estimate survey responses for a proportion.
Everyday · Utility
Convert common length, weight, volume, and temperature units.
Everyday · Utility
Calculate a tip and split the total between people.
Creator · Utility
Price a brand deal from your views and niche CPM.
Business · Utility
Work backward from income goals to an hourly and day rate.
Finance · Application
Review proposed portfolio trades and estimated tax effects
Finance · Application
Tax-loss harvesting and portfolio optimization
Finance · Application
Tax-loss replacement research
Developer · Application
Local-install code review for financial software
Creator · Utility
Turn a few words into pixel art. Remix it. Keep it.
Finance · Utility
Measure annualized returns and present value from dated cash flows.
Finance · Utility
Turn income and spending into a clear flow diagram.
Finance · Utility
See growth, drawdowns and monthly returns from your CSV.