All tools
Browse 8 focused utilities designed to produce a useful answer quickly.
Popular
Compound-interest calculator
Project a balance using principal, rate, time, and compounding frequency.
Open tool →Dice roller
Roll up to 100 dice with configurable sides and a visible total.
Open tool →Popular
JSON formatter
Validate and format JSON locally for easier reading and debugging.
Open tool →Popular
Length converter
Convert meters, feet, inches, kilometers, and miles accurately.
Open tool →Paint calculator
Estimate paint quantity from wall dimensions, coats, and coverage.
Open tool →Popular
Percentage calculator
Find any percentage of a number with a clear, instant result.
Open tool →Random picker
Choose one item fairly from a comma- or line-separated list.
Open tool →Popular
Word counter
Count words and characters in any text without uploading it.
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