Curated list
Best Free Utilities Tools — July 2026
The best free utilities tools for makers and builders, hand-picked and kept up to date.
9 tools · Updated July 2026
Grams in a Pound
· UtilitiesFree pounds to grams converter using the exact 453.59237 g per pound formula.
Freecalculatorunit conversion
Concrete Material Calculator
· UtilitiesFree concrete calculator for material estimates
Freecalculatorconcrete
Img100KB
· UtilitiesCompress images to an exact file size (100KB, 50KB, 20KB) right in your browser - free, no upload.
Freeimage-compressor
CpsTest
· UtilitiesTest your clicking speed, practice reaction time, and play lightweight browser games for free.
Freecps-testclick-speed-test
InstaIdea
· UtilitiesFree browser mini games, developer tools, and everyday utilities.
Freebrowser toolsweb games
Todoi
· UtilitiesEasily make to-do lists, without the extra stuff
@todoiapp
X communityFreetodo
IlovePdfDoc
· UtilitiesProduction-ready PDF and document utilities suite
VerifiedFreePDFDocument Conversion
validate.email
· UtilitiesVerify whether an email address is real, reachable, and deliverable.
X communityFreeemailvalidation
Have I Been Pwned
· UtilitiesCheck whether your email or phone number appeared in a data breach.
Freesecurityemail