Every tool you need, right here.
Free calculators and utilities that work instantly in your browser. Nothing to install, nothing uploaded.
Popular with Tink
Loan Amortization Schedule
Full month-by-month payment table with extra payments.
FinanceMortgage Affordability Calculator
How much house can I afford?
FinancePercentage Calculator (All Modes)
X% of Y, % change, reverse percentages.
Health & LifeAge Calculator
Exact age in years, months, days + next birthday.
Text & FilesImage Resizer & Compressor
Resize and shrink JPG/PNG/WebP, nothing uploaded.
Text & FilesQR Code Generator
QR codes for links, Wi-Fi and contacts.
MarketingA/B Test Significance Calculator
Is variant B really better? Plus sample size.
MarketingUTM Link Builder
Campaign tracking links + QR code.
All tools
Loan Amortization Schedule
Full month-by-month payment table with extra payments.
FinanceMortgage Affordability Calculator
How much house can I afford?
FinanceDebt Payoff Planner
Snowball vs avalanche, side by side.
FinanceTip & Bill Splitter
Split a bill with uneven shares.
FinanceInflation Calculator
What money is worth in the future.
FinanceCompound Interest with Contributions
Growth over time with monthly deposits.
FinanceSalary Converter
Hourly ↔ daily ↔ weekly ↔ monthly ↔ yearly.
FinancePercentage Calculator (All Modes)
X% of Y, % change, reverse percentages.
Health & LifeAge Calculator
Exact age in years, months, days + next birthday.
Health & LifeCalorie (TDEE) & Macro Calculator
Daily calories and protein/carb/fat split.
Health & LifePregnancy Due Date Calculator
Due date and how many weeks along.
Date & TimeDate Countdown
Days until any event, shareable link.
Date & TimeBusiness Days Calculator
Working days between dates, excluding weekends.
Date & TimeTime Duration Adder
Sum lists of hh:mm durations.
Text & FilesWord & Character Counter
Words, characters, sentences, reading time.
Text & FilesText Case Converter
UPPER, lower, Title, camelCase, snake_case…
Text & FilesText Diff Checker
Compare two texts line by line.
Text & FilesImage Resizer & Compressor
Resize and shrink JPG/PNG/WebP, nothing uploaded.
Text & FilesQR Code Generator
QR codes for links, Wi-Fi and contacts.
DeveloperJSON Formatter & Validator
Pretty-print, minify and validate JSON.
DeveloperBase64 & URL Encoder / Decoder
Encode and decode Base64 and URLs.
DeveloperRegex Tester
Test regular expressions with live highlights.
DeveloperUUID Generator
Bulk random v4 UUIDs.
SecurityPassword Generator
Strong random passwords with strength meter.
MarketingROAS & ROI Calculator
Are your ads profitable? ROAS, ROI, break-even.
MarketingCPM, CPC & CPA Calculator
All ad metrics from cost, impressions, clicks, sales.
MarketingAd Budget Planner
Budget needed to hit a sales goal.
MarketingCustomer Lifetime Value (LTV) & LTV:CAC
What a customer is worth vs what they cost.
MarketingA/B Test Significance Calculator
Is variant B really better? Plus sample size.
MarketingEmail Marketing Metrics Calculator
Open, click, click-to-open, bounce rates.
MarketingUTM Link Builder
Campaign tracking links + QR code.
MarketingSEO Title & Meta Description Preview
See your Google snippet before it's cut off.
MarketingSocial Post Length & Hashtag Checker
Character limits for X, Instagram, LinkedIn…
MarketingOpen Graph & Social Card Preview
How your link looks when shared + meta tags.