UtilibyFree online tools that just work
Calculators, converters and generators. No sign-up, no clutter. Everything runs in your browser.
Categories
Everyday CalculatorsQuick calculators for daily life.
Health & FitnessMacros, calories and diet calculators.
EngineeringMechanical and industrial calculators.
Developer ToolsPasswords, tokens and everyday coding utilities.
Travel ToolsJet lag calculators and trip planning utilities.
Business & Legal ToolsVendor comparison and procurement utilities.
Education & Study ToolsLesson plans and classroom utilities for teachers.
ConstructionRoofing, fencing and building calculators.
Text & WritingUnicode text generators and fancy font tools.
Recipe & Cooking ToolsCooking measurement converters and kitchen utilities.
AstrologyZodiac sign calculators and astrology utilities.
Date, Time & Scheduling ToolsMoon phase calculators and date utilities.
Image ToolsWatermark removers and photo cleanup utilities.
Real Estate ToolsRental yield and property investment calculators.
Gaming ToolsLoot table randomizers and RPG utilities.
PDF & Document ToolsPDF to text extractors and document utilities.
Accessibility ToolsClosed caption generators and WCAG compliance tools.
Audio & Music ToolsAudio mergers, joiners and music editing utilities.
SEO & Web ToolsSitemap validators and technical SEO utilities.
Security & Privacy ToolsIP address checkers, VPN detection and privacy utilities.
Productivity & Organization ToolsMeeting schedulers, poll-based time finders and coordination utilities.
Design & Color ToolsColor name identifiers, palette generators and contrast checkers.
Social Media ToolsTikTok caption generators and content creation utilities.
Marketing & Advertising ToolsElevator pitch generators and marketing copy utilities.
Email ToolsNewsletter form generators and email marketing utilities.
Popular tools
Split Bill CalculatorSplit a bill evenly or by item, with tax and tip.
Keto Macro CalculatorDaily protein, fat and net carbs for keto and low-carb diets.
V-Belt Length CalculatorBelt length from pulley diameters and center distance.
Password GeneratorCreate strong, random passwords with a strength meter.