Generators
QR codes, random choices, color palettes, random numbers and dice.
QR Code Generator
Create a static QR code for a URL, Wi-Fi string, contact text, or plain message.
Open tool →GeneratorsRandom Number Generator
Generate cryptographically strong random integers inside a range.
Open tool →GeneratorsRandom Picker
Paste a list and randomly choose one or more unique items.
Open tool →GeneratorsColor Palette Generator
Generate a random color palette with HEX and RGB values ready to copy.
Open tool →GeneratorsDice Roller
Roll one or more virtual dice with selectable sides using secure browser randomness.
Open tool →Why this category exists
Costovia groups related utilities so visitors can move from one task to the next without starting another search. Every tool has a dedicated URL and links back to this hub.
Explore Generators
Generate QR codes, strong passwords, colors, random choices, numbers and other useful outputs with free Costovia generators.
Generate values for everyday tasks
Choose a QR code, number or picker tool based on the output you need. Test generated links and review the selected range or list before using a result.