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TheTextKit vs ReactionTests

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

TheTextKit compared with ReactionTests
DetailTheTextKit logo TheTextKitReactionTests logo ReactionTests
What it doesFree browser-based text, developer and math tools that run locally with zero server transmission Test your visual reaction time for free
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Free
PricingNot given Not given
Key features
  • Word Counter - count words including Chinese and Japanese with character counts
  • JSON Formatter - validate, pretty-print, and minify JSON
  • Case Converter - convert between multiple text casing formats
  • Loan Payment Calculator - calculate monthly payments and amortization schedules
  • Base64 Encoder/Decoder - encode and decode Base64 text
  • Readability Checker - score writing with Flesch Reading Ease and grade levels
  • GPA Calculator - calculate semester and cumulative GPA
  • Percentage Calculator - find percentages and percentage changes
  • UUID Generator - generate cryptographically random UUID v4 identifiers
  • Five-round visual reaction test with millisecond timing
  • Seven-round sound reaction time test
  • Local result history with up to 300 sessions stored
  • Consistency measurement showing standard deviation of scores
  • Download score card as image
  • Sound calibration for personal offset adjustment
  • Reference data from published research studies
What makes it different
  • 100% client-side execution with zero server transmission
  • No account required, no sign-up, and no artificial limits
  • Real-time instant execution with no latency
  • Ad-free and independent collection of utilities
  • Data never stored or logged on servers
  • No account or login required to use the test
  • Results stored locally in browser for privacy
  • Compare full sessions to understand consistency, not just fastest round
  • Research-backed reference data from laboratory studies
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)9 +2 (up) since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)2711
Referring domains (Majestic)21

3 details filled in for both companies.

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