Guides & Workflow Playbooks
Step-by-step guides that walk you through complete workflows using our free online tools. Each guide combines multiple calculators and converters to help you accomplish real tasks.
17 guides
free online tax calculators for individuals, freelancers, small business owners
Best Free Tax Calculators Online (2025)
Estimate income tax, self-employment tax, capital gains, and more with free online tax calculators built for individuals and small businesses.
payroll estimation for both employees and employers
Best Free Payroll Calculators Online (2025)
Calculate take-home pay, employer costs, overtime, and benefits with free payroll calculators designed for employees and small business owners.
pricing strategy tools for businesses and freelancers
Best Free Pricing Calculators Online (2025)
Set profitable prices with free calculators for markup, margin, freelance rates, discounts, and subscription pricing strategies.
startup planning, financial modeling, growth metrics
Best Free Business Planning Calculators Online (2025)
Model startup costs, break-even points, cash flow, and growth metrics with free business planning calculators for founders and operators.
freelance business management, rates, retirement
Best Free Freelancer Business Tools Online (2025)
Manage your freelance business with free tools for rate setting, invoicing, retirement planning, and project profitability analysis.
marketplace fees, shipping costs, product profitability
Best Free E-Commerce Calculators Online (2025)
Calculate Amazon FBA fees, shipping costs, marketplace margins, and product profitability with free e-commerce calculators.
home buying, rental property analysis, commercial real estate
Best Free Real Estate Calculators Online (2025)
Analyze mortgage affordability, rental yields, closing costs, and commercial leases with free real estate calculators for buyers and investors.
AI cost analysis, automation ROI, job market impact
Best Free AI Economy Calculators Online (2025)
Analyze AI costs, automation ROI, job impact, and subscription spending with free tools built for the AI-driven economy.
pricing AI services, agency profitability, client ROI
Best Free AI Agency Pricing Tools Online (2025)
Price AI services, calculate agency profits, forecast revenue, and demonstrate client ROI with free tools built for AI agencies.
free browser-based file conversion, no upload to server
Best Free File Converters Online (2025)
Convert, compress, and merge PDFs, images, videos, and data files for free in your browser. No uploads, no sign-ups, fully private.
everyday calculation utilities, quick reference tools
Best Free Reference & Conversion Tools Online (2025)
Quickly calculate tips, percentages, ages, BMI, and convert units, currencies, and timezones with free everyday reference tools.
developer utilities, encoding, formatting, testing
Best Free Developer Tools & Utilities Online (2025)
Format JSON, test regex, encode Base64, generate UUIDs and QR codes, and decode JWTs with free browser-based developer utilities.
compound interest, retirement planning, loan analysis
Best Free Investment Calculators Online (2025)
Model compound interest, retirement savings, loan amortization, and investment growth with free calculators for investors and planners.
complete tax and payroll workflow, step-by-step
Free Tax & Payroll Optimization Workflow (2025)
Follow a step-by-step workflow to optimize your paycheck, estimate taxes, claim deductions, and plan quarterly payments in one place.
evaluating AI adoption with business metrics
Free Business & AI Economics Workflow (2025)
Evaluate AI adoption decisions with a structured workflow combining AI cost analysis, business metrics, and ROI modeling tools.
chaining file conversions for complete workflows
Free File Conversion & Data Pipeline Workflow (2025)
Chain file conversions into complete workflows: merge PDFs, convert data formats, compress outputs, and build repeatable pipelines.
freelancer pricing to tax planning complete workflow
Free Freelancer Unit Economics Workflow (2025)
Follow a complete workflow from setting freelance rates to estimating taxes, tracking margins, and planning quarterly payments.