Free Online Tools
No signup · No ads on tools · Works offline after first load
1099 Tax Calculator
Calculate your freelancer taxes: federal, self-employment (15.3%), and state tax in one click.
Baby Name Initials Checker
Check if your baby's initials spell something embarrassing before it's too late.
Meeting Cost Calculator
See how much your meetings really cost — in dollars, coffee, and sanity.
Password Generator
Generate secure random passwords with custom length, character types, and strength meter.
JSON Formatter
Format, minify, and validate JSON data instantly. Real-time syntax checking and character count.
Color Converter
Convert between HEX, RGB, HSL, CMYK formats with live preview and WCAG contrast checker.
Is $100K a Good Salary in 2026?
State-by-state reality check: what $100K actually buys you after taxes and rent in California, Texas, New York, and 7 more states.
FinanceSalary Survival Guide 2026
Can you actually afford to live there? Tax breakdown, cost of living, affordability score, and stress levels for every US state.
FinanceHow to Price Your Freelance Work (2026)
Stop undercharging. Calculate your real hourly rate based on income goals, taxes, and expenses. Includes Survival, Comfortable, and Growth tiers.
FinanceSecure Password Guide
How to create strong passwords, understand attack methods, and why password managers matter in 2026.
SecurityImage Optimization Guide (2026)
Format selection, compression, responsive images, and Core Web Vitals optimization for web performance.
PerformanceCSS Minification Guide
Reduce CSS file size by 40%. Minification techniques, tools, build integration, and Core Web Vitals impact.
GuideMarkdown Editor Comparison 2026
Compare the best online Markdown editors. GFM support, live preview, privacy features, and use cases.
GuideFake Data Generator Guide
How to generate realistic test data. Privacy-compliant practices for names, addresses, and emails.
GuideMay 2026 Changelog
New tools, blog articles, homepage redesign, and bug fixes. Everything that changed this month.
UpdateLoan & Compound Interest Guide
Master loan amortization and compound interest with formulas, examples, and free visual calculators.
FinanceHow Much You Need to Live in Every State (2026)
The complete state-by-state guide: take-home pay, taxes, rent, and disposable income for $50k/$70k/$100k in all 50 states.
Finance7 Signs You're Underpaid (And How Much to Ask For)
Data-backed warning signs you earn below market value + salary benchmarks by role/experience/state. Includes free calculator.
CareerTested & Accurate
Every calculator and converter is tested against known values and edge cases. Financial tools use standard IRS formulas (2026 tax year). Health calculators follow NIH / CDC guidelines.
Transparent Data Sources
Salary Survival Engine uses publicly available cost-of-living data. Tax calculators reference current IRS brackets and state tax tables. All sources are cited on individual tool pages.
Regularly Updated
Tax brackets, healthcare subsidies, and cost-of-living data are updated annually. All changelogs are published in our blog. Last major update: May 2026.
Honest Disclaimers
Financial, tax, and health tools are for estimation only — not professional advice. See our detailed Disclaimer page for specifics.
1099 Tax Calculator
Freelancer tax: federal, SE (15.3%), state.
Loan Calculator
Monthly payment + early payoff comparison.
Compound Interest
Growth curves: simple vs compound interest.
Pricing Calculator
Freelance hourly rate with 3-tier pricing.
Salary Survival Engine
Can you afford to live here? 1700+ cities.
Meeting Cost Calc
Real-time meeting cost tracker.