Sharp, fast utility tools for finance, web, design and dev. No fluff.
Real take-home pay after federal, state and FICA taxes for any salary.
Net pay for any pay frequency with pre- and post-tax deductions.
Compare income tax across all 50 states side by side — see which state keeps more of your money.
Compare the real cost of living between any two US cities — housing, food, transport and more.
Short and long-term capital gains tax on investments, property or crypto sales.
Monthly payments, total cost and payoff timeline for federal and private student loans.
Full cost model with break-even timeline, net worth impact and sensitivity analysis.
Find your target fund size, runway months, and how long it takes to build.
Snowball, avalanche or custom — see your full payoff schedule and total interest saved.
Traditional vs Roth, employer match, and projections to find your optimal contribution.
Set a goal, starting amount and monthly contribution — see how long it takes to get there.
Set a savings target and see exactly how long it takes at your current rate.
Add your assets and liabilities for a clean net worth number and simple trend.
Monthly payment, total interest and full amortisation schedule for any loan.
Build a monthly budget using the 50/30/20 rule or a custom split.
How much house can you actually afford based on income, debts and down payment.
Pay off one card or many — see total interest saved by paying more than the minimum.
All-in moving cost estimate by city with runway calculator and full cost breakdown.
Convert currencies and adjust for real purchasing power — not just the exchange rate.
Step-by-step interactive checklist for building your financial foundation in the US.
True net earnings per hour after fees, fuel, tax and depreciation — plus break-even.
Self-employment tax, quarterly payment amounts and annual bill for freelancers and gig workers.
IRS standard mileage rate deduction for business, medical and charity driving.
Work backwards from your income target to find the hourly or project rate you need.
Model MRR, churn and growth scenarios to find the pricing that hits your revenue targets.
Downloads × conversion × ARPU — model your app's revenue potential before you build.
Find the exact sales volume where a product or service becomes profitable.
Return on investment across any campaign, ad spend or business initiative.
Buy price, restoration costs and sell price — see net profit and ROI on any flip.
Facebook Marketplace vs eBay vs Etsy vs OfferUp — see which platform nets you the most.
Is this flip worth your time? Calculate your effective hourly rate before you start.
Track multiple flips in progress — total invested, projected returns and current profit.
Body Mass Index with healthy weight range, BMI category and what your number actually means.
Daily calorie target and macro split (protein, carbs, fat) based on your goal and activity level.
Estimate body fat percentage using the Navy method — no calipers or DEXA scan needed.
Estimate your 1RM for any lift from any rep count using the Epley, Brzycki or Lombardi formula.
Daily water target based on your weight, activity level and climate. Includes hourly reminders guide.
Monthly payment, total interest and full amortization schedule for any mortgage.
How many months to recoup refinancing costs — and whether refinancing actually makes sense.
Gross and net rental yield, cash-on-cash return and cap rate for any rental property.
Estimate annual property tax by state and county based on assessed value and local mill rates.
Profit or loss on any crypto trade — entry price, exit price, fees and net gain in USD.
Dollar cost averaging — total invested, average price and current value for any recurring buy.
Total and annualised return on any stock position including dividends and inflation adjustment.
Exact age in years, months, days and hours — plus next birthday countdown.
Days, weeks, months and years between any two dates — includes working days option.
Convert a time across up to 10 time zones at once — great for scheduling global calls.
25-minute focus timer with short and long breaks — configurable, works offline.
Paste any text or a word count — get reading time at slow, average and fast reading speeds.
X% of Y, X is what % of Y, % increase/decrease — all three in one tool.
Length, weight, temperature, volume, area and speed — every unit you actually need.
CPM, CPC, CTR, ROAS and break-even ROAS for any paid campaign — Google, Meta or TikTok.
Strong, random passwords with custom length, symbols and character rules. Copy in one click.
Generate one or bulk UUID v4 identifiers instantly — copy or download as text.
Encode or decode any text or file to Base64 format — runs entirely in your browser.
Encode special characters for use in URLs, or decode encoded strings back to plain text.
Count words, characters, sentences and paragraphs with reading time estimate.
Convert any text to UPPER, lower, Title Case, camelCase, snake_case and more in one click.
Generate placeholder text by word, sentence or paragraph count — plain or HTML output.
Convert Unix timestamps to readable dates and vice versa — any timezone.
Write Markdown on the left, see the rendered output on the right. Copy HTML when done.
Encode special characters to HTML entities or decode entities back to readable text.
Pick any colour and convert between HEX, RGB, HSL and CSS formats instantly.
Build linear and radial gradients visually — copy the CSS when it looks right.
Check foreground/background colour contrast against WCAG AA and AAA accessibility standards.
Build and layer CSS box shadows visually — adjust blur, spread, colour and copy the code.
Find the missing width or height to maintain an exact aspect ratio for images and video.
Paste messy JSON, get it indented, validated and syntax-highlighted — copy clean output.
Write a regex pattern, paste test text, and see every match highlighted in real time.
Decode any JWT token and inspect the header, payload and expiry — no signing key needed.
Convert numbers between binary, octal, decimal and hexadecimal in both directions.
Paste a CSV table and get clean JSON output — handles headers, quotes and commas.
Build cron schedule expressions visually and see a plain-English description of when they run.
Every HTTP status code explained with common causes and how to fix them. Quick-search by code or name.