Browse tools by category
Pick a category and explore the tools grouped within it. Categories grow as we add more practical free tools.
AI Tools
Practical AI helpers: estimate token usage and rough API costs, plan prompts, and compare different model workflows before you run them.
ExplorePrivacy Tools
Browser-first privacy utilities for redacting screenshots, stripping metadata, and preparing files before you share them.
ExploreCreator Calculators
Estimate platform fees, subscription revenue, freelance rates, and project pricing with simple free calculators.
ExploreBusiness Tools
Useful business calculators for planning rates, invoices, project pricing, and margins for small businesses and freelancers.
ExploreMarketing Tools
Light marketing utilities like consistent campaign tracking link builders for analytics platforms.
ExploreDeveloper Tools
Developer utilities for formatting, validating, and converting common technical data — focused on practical day-to-day tasks.
ExploreFinancial Calculators
Free financial calculators for everyday money decisions — mortgages, loans, interest, taxes, retirement planning, and more.
ExploreHealth & Fitness Calculators
Free health and fitness calculators for BMI, calories, macros, body fat, pace, and more. Quick estimates to support, not replace, professional guidance.
ExploreMath Calculators
Free math calculators for fractions, percentages, statistics, geometry, and other everyday math problems. Built to be fast and easy to use from any browser.
ExploreGeneral Calculators
Free general-purpose calculators and converters for dates, ages, time, units, GPA, and other day-to-day needs. No signup, no downloads.
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