Curated list
Best Free Utilities Tools — October 2026
The best free utilities tools for makers and builders, hand-picked and kept up to date.
10 tools · Updated October 2026
Arnis
· UtilitiesFree Minecraft world map generator from realworld maps.
Grams in a Pound
· UtilitiesFree pounds to grams converter using the exact 453.59237 g per pound formula.
Concrete Material Calculator
· UtilitiesFree concrete calculator for material estimates
Img100KB
· UtilitiesCompress images to an exact file size (100KB, 50KB, 20KB) right in your browser - free, no upload.
CpsTest
· UtilitiesTest your clicking speed, practice reaction time, and play lightweight browser games for free.
InstaIdea
· UtilitiesFree browser mini games, developer tools, and everyday utilities.
Todoi
· UtilitiesEasily make to-do lists, without the extra stuff
IlovePdfDoc
· UtilitiesProduction-ready PDF and document utilities suite
validate.email
· UtilitiesVerify whether an email address is real, reachable, and deliverable.
Have I Been Pwned
· UtilitiesCheck whether your email or phone number appeared in a data breach.