All tools
108 tools across 9 categories, being rebuilt one at a time. Each one goes live when it works well on a phone and keeps your data on your device.
Money
Budgets, loans, splits and what things really cost.
401k vs Roth IRA
Pre-tax or Roth, compared at retirement.
Bill Splitter
Split a bill fairly, tip and tax included.
Break-Even
The sales you need before you break even.
Budget Calculator
Check your budget against the 50/30/20 rule.
Car Loan vs Lease
A loan and a lease, total cost side by side.
College Savings
The monthly saving that reaches a college cost in time.
Compound Interest
See how money grows over time.
Cost of Living
What the same salary buys in two cities.
Credit Card Payoff
How long until the card is paid off.
Debt Payoff Strategy
Avalanche or snowball, with a payoff date for every debt.
Down Payment
How much to save for a down payment, and how long it takes.
Emergency Fund
How much to save for a rainy day.
Energy Savings
What an upgrade costs to run, and when it pays for itself.
Event Cost Per Person
Event costs divided fairly, fixed and per-head kept apart.
Expense Tracker
Spending by category, with the month at a glance.
Flight vs Drive
Flying or driving, compared on cost and time.
Gas Cost
Fuel cost for a trip from distance, mileage and pump price.
Gift Budget
A gift list with a budget per person and a running total.
Home Affordability
The home price you can afford, from income, debts and rate.
Loan Calculator
Monthly payment, total interest, payoff date.
Mortgage Calculator
What a home really costs each month.
Moving Costs
A moving estimate from distance, home size and hired help.
Property Tax
Yearly and monthly property tax from value and local rate.
Refinance
Whether refinancing pays off, and the break-even month.
Rent vs Buy
Rent or buy, over the years you plan to stay.
Rental Property ROI
Cash flow, cap rate and return for a rental property.
Roast My Spending
Paste a month of spending and get a frank breakdown.
Salary vs Hourly
A salary as an hourly rate and back, time off included.
Student Loan
Monthly payment and total interest on student loans.
Subscription Comparison
Two plans compared over a year, trials and fees included.
Subscription Tracker
What all those subscriptions add up to.
Tip Calculator
Tip and split, instantly.
Travel Budget
A trip budget by category, with a daily spend target.
Trip Cost Splitter
Shared trip costs settled, with who owes whom.
Utility Costs
Monthly utility costs from usage and rates.
Health
Body, nutrition and training numbers, kept on your device.
BMI Calculator
Your BMI and healthy weight range in seconds.
Body Fat Calculator
Estimate body fat from a few measurements.
Calorie Counter
Log what you eat against a daily target.
Calorie Deficit
Find the daily calories that get you to your goal.
Exercise Logger
Log sets, reps and weight, and watch progress over time.
Heart Rate Zones
Your training zones from age and max heart rate.
Macro Calculator
Daily protein, carbs and fat for your goal.
Measurements Tracker
Weight and measurements over time, with a trend line.
Medication Reminder
Your medications and their times, with a daily checklist.
Ovulation Calculator
Your fertile window from cycle length and last period.
Period Tracker
Track your cycle, privately.
Pregnancy Calculator
Due date, week by week.
Symptom Tracker
Log symptoms with severity so patterns show up.
Habits
One-tap logging for the things you do every day.
Daily Journal
A few lines a day, kept on your device.
Goal Tracker
Set a goal, log progress, see if you are on pace.
Habit Tracker
Tap once a day. Watch the streak grow.
Mood Tracker
Log how you feel in one tap.
Sleep Tracker
Log last night, see the week.
Time Tracker
Start a timer on a task and see where the week went.
Water Tracker
Hit your water goal with one-tap logging.
Time
Timers, countdowns and clocks.
Countdown Timer
Count down to anything.
Freedom Countdown
Count down to your last day, in working days and paychecks.
Pomodoro Timer
Focus for 25, rest for 5.
Shutdown Ritual
A short end-of-day checklist, with a streak.
Time Zone Converter
The time, everywhere you care about.
Create
Colors, type, patterns and templates with copy-ready output.
Color Palette
Build a palette from one color.
Content Resizer
One graphic, resized to every social size at once.
Engagement Rate
Engagement rate from likes, comments and followers.
Gradient Generator
Design a CSS gradient and copy it.
Link in Bio
A one-page list of your links, exported as plain HTML.
Logo Maker
A simple logo from an icon and a word.
One-Page Website Builder
A single-page site from a few fields, saved as one HTML file.
Pattern Maker
Seamless background patterns, exported as SVG or CSS.
Social Media Templates
Sized-right post templates you can edit.
Typography Pairing
Font pairs that work, with the CSS.
Decide
When you need an answer, not a spreadsheet.
Coin Flip
Heads or tails, settled.
Decision Maker
Type the options. Let it choose.
Pros & Cons
Weigh a decision properly.
Wheel Spinner
Spin the wheel, get an answer.
Would You Rather
Pick one. Then pick again.
Yes / No Oracle
Ask a question, get an answer.
Tools
Small utilities for everyday technical chores.
Calculator
A calculator with a visible tape of what you typed.
Color Picker
Pick a color and get it in every format.
Emergency QR Cards
A printable QR card with your emergency contacts and medical notes.
Grade Calculator
Your course grade, and what you need on the final.
Hash Generator
SHA hashes for text and files, in your browser.
JSON Formatter
Format, minify and validate JSON, with errors pointed out.
Password Generator
Strong passwords, generated on your device.
Percentage Calculator
Percent of, percent change and reverse percentages.
Prompt Manager
Save, tag and reuse your prompts, with blanks to fill in.
QR Code Generator
Make a QR code, optionally track its scans.
Reading Time
Reading time and word count for any text.
Scientific Calculator
Trig, logs and powers, with a history you can scroll.
Text Formatter
Change case, trim spaces, sort lines, clean up pasted text.
Unit Converter
Convert length, weight, temperature and more.
URL Shortener
Turn a long link into a short one.
Home & Life
Family, home, travel and events.
Anniversary Tracker
Every anniversary, and how many years it marks.
Birthday Reminder
Birthdays by month, with ages and days to go.
Box Inventory
What is in which box, searchable, with printable labels.
Bucket List
The things you want to do, and when you did them.
Carbon Footprint
A yearly carbon estimate, and where the biggest savings are.
Event Photo Hub
A shared photo album for your event.
Home Maintenance
Recurring home tasks, with what is due this month.
Potluck Organizer
Who is bringing what, with the gaps visible at a glance.
RSVP Manager
Invitations and replies for your event, in one place.
Secret Santa
Draw names fairly, with exclusions, and keep each match private.
Timeline Tracker
How old was everyone in any year.
Work
Freelance, pricing and business math.
Business Loan
Payment, total interest and payoff schedule for a business loan.
Freelance Rate
The hourly rate that covers your costs and target income.
Freelance Tax
A rough self-employment tax estimate, and what to set aside.
Job Offer Comparison
Two job offers compared on pay, benefits and time off.
Meeting Cost
What a meeting costs, from who is in it and how long it runs.
Pricing Strategy
Cost-plus, target margin and competitor pricing, side by side.