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Home, car or personal loan monthly payments
US / UK / global mortgage amortization
Daily, monthly or yearly compounding
Bill split + tip for any group size
Add or remove any tax rate worldwide
Monthly investment future value
INR, USD, EUR, GBP, JPY + 10 more
kg, lbs, oz, grams, tonnes, stone
cm, inches, feet, km, miles, yards
Celsius, Fahrenheit, Kelvin
km/h, mph, m/s, knots, mach
Shrink images — 100% in your browser
Any URL, text or contact info
Resize + convert JPG ↔ PNG ↔ WEBP
Words, chars, sentences, reading time
UPPER, lower, camelCase, snake_case…
Paragraphs, sentences or words
Compare two texts, see what changed
Prettify, minify or validate JSON
Encode or decode any text or URL
Percent-encode or decode URLs
Cryptographically random, any rules
v1 or v4 UUIDs, any quantity
X% of Y, percentage change, reverse
Exact age in years, months and days
Metric and imperial, with ideal range
Days, weeks, months between two dates