Skip to main content

Built by makers, shipped in public

Sign in

PlayTools vs MakeCalculator

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PlayTools compared with MakeCalculator
DetailPlayTools logo PlayToolsMakeCalculator logo MakeCalculator
What it doesFree online calculators, converters, and developer tools that run in your browser Free calculators that show their working
StageStartup Not given
Founded2025 Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • 68 free tools across finance, development, and utilities
  • Loan repayment and affordability calculators with total interest calculations
  • Currency converter with 30 world currencies and live exchange rates
  • JSON formatter, validator, and minifier with syntax highlighting
  • Date and time tools including age calculator and timezone converter
  • Runs entirely in browser with no server uploads
  • Works offline after initial page load
  • Shows formulas and worked examples
  • Runs in your browser
  • No sign-up required
  • 785 calculators and tools
  • Works on phones, tablets and computers
  • Data stays on your device
  • Covers 54 subjects
What makes it different
  • No account or sign-up required
  • Runs entirely client-side in your browser with no data sent to servers
  • All tools are completely free with no usage limits
  • Works offline after initial page load
  • Privacy-first approach with no data collection or transmission
  • Calculators show their working, not just the answer
  • Results come with formula, steps and worked examples
  • Your numbers never leave your browser
  • Built from standard published formulas and tested
Community votes00
DR (Domain Rating by Ahrefs)7 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)350
Referring domains (Majestic)60

4 details filled in for both companies.

More alternatives to PlayTools More alternatives to MakeCalculator

Ask us