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Goodfolk Toolbox
Free Online Tools & Calculators
Goodfolk Toolbox offers 100 free online tools for business, finance, travel, health, development, design, camping, students, and everyday life. No signup required.
100 Free Tools
Calculators and helpers for office, camp, home, finance, student, design, developer, travel, business and health needs.
10 Categories
Office, camp, home, finance, student, design, developer, travel, business and health.
No Signup Required
All tools are free to use with no account or email required. Just click and use.
Popular Tools
Start with the tools people are most likely to need.
A quick shortcut to useful calculators for health, business, travel, design, and development.
BMI Calculator
Calculate body mass index from height and weight and see the standard BMI category.
Calorie Calculator
Estimate daily calories for maintenance, weight loss, or weight gain based on body stats and activity level.
Water Intake Calculator
Estimate daily water intake based on weight, activity, weather, and caffeine or alcohol intake.
Profit Margin Calculator
Calculate profit, profit margin, markup, and cost breakdown from revenue and expenses.
Sales Tax Calculator
Calculate sales tax, pre-tax price, final total, and tax amount from a tax rate.
Invoice Total Calculator
Calculate invoice subtotal, discount, tax, fees, and final total for a small business invoice.
Trip Budget Calculator
Estimate total trip cost from transportation, lodging, food, activities, shopping, and buffer.
Road Trip Gas Calculator
Estimate road trip fuel cost from distance, MPG, gas price, and one-way or round-trip travel.
Color Palette Generator
Generate color palettes from a base color, lock favorite colors, and copy HEX values or CSS variables.
JSON Formatter
Format, validate, and minify JSON with copy-ready output.
Latest Guides
Learn the idea, then use the tool.
Practical articles connected directly to calculators and utilities.
Health
How Much Water Should You Drink Per Day?
Read guide →
Home
How Much Does Electricity Cost Per Month?
Read guide →
Travel
How to Plan a Trip Budget Without a Spreadsheet
Read guide →
Business
How to Calculate Profit Margin and Markup
Read guide →
Travel
How to Build a Simple Packing List Before Travel
Read guide →
Design
How to Choose Colors for a Small Website or Brand
Read guide →
Home
What Uses The Most Electricity In A Home?
Read guide →
Home
How Many Moving Boxes Do I Need?
Read guide →
Student
How To Calculate GPA In College
Read guide →
Camping
Campfire Safety Tips for Beginners
Read guide →
Home
Why Is My Electric Bill So High?
Read guide →
Tool Categories
Browse tools by category to find what you need.
Explore tools for office, camp, home, finance, student, design, developer, travel, business and health needs.
Office Utilities
Browse office tools
File cleanup, text formatting, passwords, Markdown, and everyday digital tasks.
Camp Utilities
Browse camp tools
Water, power, meals, fuel, weather, checklist, packing, and trip costs.
Home Utilities
Browse home tools
Calculators and planners for common home projects and tasks.
Finance Utilities
Browse finance tools
Budgeting, savings goals, debt payoff, subscriptions, and income planning.
Student Utilities
Browse student tools
Grades, GPA, study planning, assignments, writing, and semester workload.
Design Utilities
Browse design tools
Colors, contrast, gradients, shadows, spacing, typography, and layout helpers.
Developer Utilities
Browse developer tools
Colors, JSON, encoding, timestamps, IDs, CSS, regex, and coding helpers.
Travel Utilities
Browse travel tools
Trip budgets, packing, hotels, gas, layovers, attractions, and travel planning.
Business Utilities
Browse business tools
Pricing, profit margins, invoices, break-even points, meetings, startup costs, and small business planning.
Health Utilities
Browse health tools
BMI, calories, water intake, protein, walking, macros, sleep, heart rate zones, and weight planning.
Office Utilities
Clean up files, text, and everyday digital messes.
Quick tools for data cleanup, file handling, text formatting, and practical office workflows.
JSON to Excel Converter
Convert JSON arrays into downloadable Excel files.
CSV Cleaner
Clean headers, trim spaces, and remove duplicate CSV rows.
Bulk Rename Tool
Rename multiple files and download renamed copies in a ZIP.
PDF Splitter
Split a PDF into individual page files and download them as a ZIP.
Text Case Converter
Convert text into uppercase, lowercase, title case, snake_case, and more.
Word & Character Counter
Count words, characters, sentences, paragraphs, and reading time.
Password Generator
Generate strong random passwords with custom options.
Markdown Previewer
Write Markdown and preview the formatted output instantly.
QR Code Generator
Create a downloadable QR code from a URL or short text.
Unit Converter
Convert length, weight, temperature, and volume units.
Camp Utilities
Plan smarter before you leave home.
Simple camping calculators and checklists for water, food, power, weather, packing, and trip prep.
Campsite Signal Finder
Estimate cell signal quality for Georgia campgrounds before booking or traveling.
Camp Water Planner
Estimate how much water to bring for a camping trip.
Camp Battery Estimator
Estimate battery needs for phones, lights, fans, and devices.
Camp Pack Weight Planner
Add gear items and estimate your total pack weight.
Camp Fuel Estimator
Estimate stove fuel usage for meals, coffee, and boiling water.
Camp Meal Planner
Estimate meals, snacks, and calories for a camping trip.
Camp Weather Comfort Calculator
Estimate camping comfort based on temperature, rain, wind, and overnight lows.
Camp Checklist Generator
Generate a camping checklist based on trip style, weather, and activities.
Camp Trip Cost Calculator
Estimate campsite fees, gas, food, gear, and total trip cost.
Campfire Safety Checklist
Generate a campfire safety checklist based on conditions and trip plans.
Tent Footprint Calculator
Calculate a recommended footprint size for your tent floor.
Home Utilities
Useful tools for around the house.
Handy calculators and planners for common home projects and tasks.
Paint Calculator
Estimate how much paint you need for a room or project.
Room Size Calculator
Calculate room square footage from length and width.
Electricity Cost Calculator
Estimate how much an appliance or device costs to run.
Moving Box Calculator
Estimate how many boxes you may need for a move.
Project Budget Calculator
Plan a home project budget with materials, labor, and extra cushion.
Flooring Calculator
Estimate flooring square footage, waste allowance, boxes needed, and material cost.
Mulch Calculator
Estimate mulch volume in cubic feet, cubic yards, and bags based on bed size and depth.
Tile Calculator
Estimate tile count, waste allowance, boxes needed, and material cost for a floor or wall.
Wallpaper Calculator
Estimate wallpaper rolls needed based on wall size, roll coverage, pattern waste, and cost.
Home Project Timeline Estimator
Estimate a rough project timeline based on project type, complexity, DIY level, and buffer time.
Finance Utilities
Plan money moves without spreadsheet chaos.
Simple calculators for savings goals, budgets, debt payoff, subscriptions, and everyday financial planning.
Savings Goal Calculator
Estimate how long it will take to reach a savings goal based on your starting balance and monthly contributions.
Debt Payoff Calculator
Estimate how long it will take to pay off debt based on balance, APR, and monthly payment.
Monthly Budget Calculator
Estimate monthly income, expenses, savings, and leftover money with a simple budget breakdown.
Subscription Cost Calculator
Estimate monthly and yearly subscription costs, including optional annual savings from canceling unused services.
Loan Payment Calculator
Estimate monthly loan payments, total interest, and total repayment based on loan amount, APR, and term.
Tip & Split Bill Calculator
Calculate tip, total bill, and per-person cost when splitting a check.
Hourly to Salary Calculator
Convert hourly pay to weekly, monthly, and yearly income estimates.
Emergency Fund Calculator
Estimate how much emergency savings you may need based on monthly expenses and target months of coverage.
Net Worth Calculator
Estimate your net worth by comparing total assets against total debts and liabilities.
Paycheck Estimator
Estimate take-home pay after taxes, retirement contributions, benefits, and other deductions.
Student Utilities
Plan schoolwork without academic chaos.
Simple tools for grades, GPA, study planning, assignments, writing, and semester workload.
GPA Calculator
Calculate GPA from course grades and credit hours.
Grade Needed Calculator
Calculate the grade you need on a final exam or remaining assignment to reach your target course grade.
Assignment Planner
Break an assignment into daily work sessions based on due date, estimated hours, and available study days.
Semester Workload Calculator
Estimate weekly school workload based on credit hours, study time, assignments, and outside commitments.
Study Timer
Plan focused study sessions with breaks using a simple Pomodoro-style timer setup.
Essay Word Counter
Count words, characters, sentences, paragraphs, reading time, and progress toward an essay word target.
Citation Helper
Format simple MLA and APA-style citations for websites, books, articles, and videos.
Reading Time Calculator
Estimate how long a reading assignment will take based on word count, pages, and reading speed.
Flashcard Formatter
Turn notes into simple question-and-answer flashcards for studying.
Final Exam Study Plan Generator
Create a simple final exam study plan based on exam date, topics, available days, and study time.
Design Utilities
Useful UI helpers for color, spacing, and visual polish.
Quick tools for colors, contrast, gradients, shadows, spacing, typography, and layout decisions.
HEX Color Converter
Convert HEX colors to RGB and HSL, preview the color, and copy CSS-friendly values.
Color Contrast Checker
Check contrast between text and background colors and see basic WCAG-style pass/fail guidance.
Color Palette Generator
Generate color palettes from a base color, lock favorite colors, and copy HEX values or CSS variables.
CSS Gradient Generator
Create linear CSS gradients, preview them, and copy ready-to-use CSS.
Box Shadow Generator
Create CSS box shadows, preview them, and copy ready-to-use shadow styles.
Border Radius Previewer
Preview CSS border radius values on cards and buttons, then copy ready-to-use CSS.
Spacing Scale Generator
Generate consistent spacing scales in pixels and rems for UI layouts and design systems.
REM/PX Converter
Convert pixels to rems and rems to pixels using a custom base font size.
Typography Scale Calculator
Generate a type scale from a base font size and ratio, with pixel and rem values.
Image Aspect Ratio Calculator
Calculate missing image dimensions, aspect ratios, and scaled sizes for UI layouts and media.
Developer Utilities
Tiny tools for everyday coding tasks.
Quick browser-based utilities for colors, JSON, encoders, timestamps, IDs, CSS, regex, and developer cleanup work.
JSON Formatter
Format, validate, and minify JSON with copy-ready output.
URL Encoder / Decoder
Encode and decode URLs, query strings, and text for safe use in web addresses.
Base64 Encoder / Decoder
Encode plain text to Base64 and decode Base64 back to readable text.
UUID Generator
Generate one or more random UUIDs and copy them for testing, mock data, or development work.
Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
HTML Entity Encoder / Decoder
Encode HTML special characters into entities and decode entities back to readable text.
Regex Tester
Test regular expressions against sample text and review matches, groups, and flags.
JWT Decoder
Decode JWT headers and payloads locally in your browser for quick inspection.
API Response Formatter
Format API response JSON, inspect status details, and copy clean output for debugging.
CSS Unit Converter
Convert common CSS units like px, rem, em, vw, and vh for front-end development.
Travel Utilities
Plan trips without spreadsheet turbulence.
Simple tools for trip budgets, hotels, gas, packing, layovers, attractions, and travel planning.
Trip Budget Calculator
Estimate total trip cost from transportation, lodging, food, activities, shopping, and buffer.
Road Trip Gas Calculator
Estimate road trip fuel cost from distance, MPG, gas price, and one-way or round-trip travel.
Hotel Cost Splitter
Split hotel or Airbnb costs across people and nights, including taxes, fees, and uneven shares.
Packing List Generator
Generate a simple packing list based on trip length, weather, destination type, and travel style.
Flight Layover Calculator
Estimate whether a flight layover gives enough time for customs, bags, terminal changes, and airport size.
Attraction Time Planner
Estimate how many attractions fit into a travel day using visit time, transit time, meals, and buffer.
Travel Day Cost Calculator
Estimate the cost of a single travel day from meals, transit, activities, snacks, and buffer.
Currency Conversion Notes
Convert common travel amounts using a manual exchange rate for quick budgeting abroad.
Travel Time Zone Planner
Compare home and destination time zones, estimate jet lag direction, and plan arrival adjustment.
Travel Insurance Checklist
Create a travel insurance comparison checklist based on trip type, destination, transportation, and coverage concerns.
Business Utilities
Simple tools for pricing, profit, and planning.
Free calculators for margins, invoices, break-even points, meetings, startup costs, and small business decisions.
Profit Margin Calculator
Calculate profit, profit margin, markup, and cost breakdown from revenue and expenses.
Markup Calculator
Calculate selling price, markup amount, margin, and profit from cost and markup percentage.
Break-Even Calculator
Calculate how many units or sales you need to cover fixed and variable costs.
Sales Tax Calculator
Calculate sales tax, pre-tax price, final total, and tax amount from a tax rate.
Invoice Total Calculator
Calculate invoice subtotal, discount, tax, fees, and final total for a small business invoice.
Hourly Rate Calculator
Calculate an hourly rate from salary goals, billable hours, expenses, taxes, and desired profit.
Freelancer Rate Calculator
Estimate freelance hourly, daily, and project rates from income goals, expenses, taxes, and billable time.
Meeting Cost Calculator
Estimate the cost of a meeting based on attendees, hourly rates, duration, and prep time.
Employee Cost Calculator
Estimate the total cost of an employee including salary, payroll taxes, benefits, equipment, and overhead.
Startup Cost Calculator
Estimate startup costs from legal setup, equipment, software, inventory, marketing, and operating runway.
Health Utilities
Plan health goals without spreadsheet chaos.
Simple calculators for BMI, calories, water intake, protein, walking, macros, sleep, heart rate zones, and weight planning.
BMI Calculator
Calculate body mass index from height and weight and see the standard BMI category.
Calorie Calculator
Estimate daily calories for maintenance, weight loss, or weight gain based on body stats and activity level.
Water Intake Calculator
Estimate daily water intake based on weight, activity, weather, and caffeine or alcohol intake.
Protein Calculator
Estimate daily protein needs based on body weight, goal, and activity level.
Walking Calories Calculator
Estimate calories burned while walking based on weight, distance, pace, and time.
Macro Calculator
Estimate daily protein, carbs, and fat targets from calories and macro percentages.
Target Weight Planner
Estimate a target weight timeline based on current weight, goal weight, and weekly change.
Sleep Calculator
Estimate bedtime or wake-up time using sleep cycles, time to fall asleep, and desired rest.
Heart Rate Zone Calculator
Estimate training heart rate zones from age and resting heart rate.
Body Fat Estimate Calculator
Estimate body fat percentage using simple body measurements and standard formula inputs.