Free Online Tools

Free online finance calculators, developer tools, fitness planners, and more. No signup required.

Automated Insights builds free, privacy-respecting web tools that run entirely in your browser. No accounts, no data collection, no paywalls. Whether you're estimating a mortgage payment, comparing GPU benchmarks, generating cron expressions, or figuring out how much house you can afford, our tools are designed to give you a fast, clear answer.

We also publish in-depth blog posts on personal finance, health, and technology, plus Florida homebuyer guides covering flood zones, hurricane prep, crime data, and walkability. Our flagship product, ScopeOut, puts 35+ real estate data layers on a single interactive map for any Florida address.

ScopeOut - Florida Real Estate Intelligence

Flood zones, elevation, hurricane evacuation zones, and insurance estimates for any Florida address. The real estate data gap, filled.

GPU Benchmark Comparison

Compare GPU performance, price-to-performance ratios, and ML training benchmarks across NVIDIA and AMD models. Filter by use case, budget, and resolution target.

Cron Expression Generator

Build, validate, and explain cron expressions with a visual editor. See the next 10 scheduled run times and get plain-English descriptions of any cron schedule.

AWS Cost Estimator

Estimate monthly AWS costs for EC2, RDS, S3, Lambda, and other services. Compare instance types and see how reserved pricing affects your bill.

Config File Converter

Convert between YAML, JSON, TOML, and INI formats instantly. Paste your config, pick the target format, and copy the result with proper formatting preserved.

Date Calculator

Add or subtract days from any date, find the difference between two dates, or calculate business days. Useful for deadlines, project planning, and countdown tracking.

Fuel Price Calculator

Compare gas prices between stations and estimate annual fuel savings. Enter your MPG and commute distance to see exactly how much you could save by switching.

Auto Loan Calculator

Calculate monthly car payments across all common loan terms at once. Compare total interest paid at different rates and see how a larger down payment changes your bill.

Home Affordability Calculator

Find out how much house you can afford based on your income, debts, and down payment. Uses the 28/36 rule that lenders actually apply to mortgage applications.

Compound Interest Calculator

See how your savings grow over time with compound interest. Visualize the power of compounding with interactive charts, and use the Rule of 72 to estimate doubling time.

Grade Calculator

Calculate weighted grades, find out what you need on the final exam, and estimate your GPA. Supports multiple grading scales and unlimited assignment categories.

BMI & Calorie Calculator

Calculate your body mass index with a visual health scale, then get personalized daily calorie and macro targets based on your age, activity level, and goals.

E85 / E15 Fuel Finder

Find E85 and E15 ethanol stations near you using the DOE Alternative Fuels database. Calculate fuel blends, estimate octane ratings, and compare costs vs regular gas.

QR Code Generator

Generate QR codes for URLs, WiFi, contacts, and more. Customize colors and size, then download as PNG or SVG. No data leaves your browser.

Deal Calculator

Analyze rental property investments instantly. Cap rate, cash-on-cash return, GRM, monthly cash flow, and break-even rent. Pre-populates from ScopeOut.

Password Generator

Generate secure random passwords with customizable length, character types, and entropy scoring. Copy to clipboard instantly.

TDEE Calculator

Calculate your Total Daily Energy Expenditure based on age, weight, height, and activity level. Get macronutrient splits for cutting, maintaining, or bulking.

Word Counter

Count words, characters, sentences, and paragraphs in any text. Estimate reading time and speaking time for presentations.

Workout Generator

Generate personalized workout routines based on your goals, equipment, and experience level. Push/pull/legs, full body, and upper/lower splits.

Invoice Generator

Create professional invoices with line items, tax calculation, and payment terms. Download as PDF — no account required.

LLM API Pricing Calculator

Compare token costs across OpenAI, Anthropic, Google, and open-source models. Estimate monthly spend based on your usage patterns.

Mortgage Calculator

Calculate monthly mortgage payments with principal, interest, taxes, and insurance. Compare 15-year vs 30-year terms and see amortization schedules.

One Rep Max Calculator

Estimate your one-rep max from any rep range using 7 proven formulas. Get percentage-based training loads for any program.

Salary Calculator

Convert between hourly, weekly, monthly, and annual salary. Factor in taxes, benefits, and overtime to see your real take-home pay.

Marina Fuel Calculator

Estimate boat fuel costs for any trip. Compare marina fuel prices, calculate gallons needed by distance and engine specs, and find the cheapest fill-up nearby.

Florida Homebuyer Guides

Florida Flood Zones Explained

What FEMA flood zones A, AE, V, VE, X mean, how to check your zone, and flood insurance costs

Understanding Crime Data

How to research crime in a Florida neighborhood using heatmaps, statistics, and on-the-ground visits

Hurricane Preparedness

Evacuation zones explained, storm surge risk by elevation, and insurance considerations

Walkability & Home Values

How walkability and amenity scores affect Florida property values and what to look for

First-Time Homebuyer's Guide

Step-by-step guide to evaluating Florida neighborhoods, common mistakes, and research checklist