Damage Formula Tester
Try arithmetic with attacker and defender stats. Compare results before testing your skill in-game.
Open tool →Free Tools Hub
Practical calculators and previews. Free to use in your browser.
Color & Opacity Picker
Preview a text color and background, then copy HEX and RGBA values for your plugin settings.
Open tool →Resolution Calculator
Compare aspect ratios, tile coverage, and integer scaling for your game canvas.
Open tool →Sprite Sheet Calculator
Check frame sizes and frame coordinates using your own row and column layout.
Open tool →Number Formatter
Preview grouped and compact numbers in English, Japanese, or Simplified Chinese.
Open tool →Loot Weight Calculator
Turn relative item weights into probabilities for a single weighted drop.
Open tool →Looking for downloadable desktop utilities? Browse Dev Tools →