All Tools
Browse our collection of free, browser-based tools. Nothing is uploaded — everything runs locally.
Pace Calculator
Calculate your running pace, total time, and split times. Enter distance and time or target pace.
Loan Payment Calculator
Calculate monthly loan payments, total interest, and see an amortization summary for any loan.
AI Background Remover
Remove backgrounds from any image using AI — people, pets, products, complex scenes. Runs entirely in your browser with no uploads.
Tip Calculator
Quickly calculate tips and split bills between multiple people.
Unit Converter
Convert between common units: length, weight, temperature, volume, and more.
Mortgage Calculator
Calculate mortgage payments with down payment, home price, interest rate, and loan term. See yearly amortization.
Retirement Calculator
See how your savings grow over time with monthly contributions and compound interest. Choose from preset return rates like S&P 500 averages.
Age Calculator
Find out exactly how old you are in years, months, days, hours, minutes, and seconds. See your next birthday countdown.
BMI Calculator
Calculate your Body Mass Index with imperial or metric units. See your BMI category and healthy weight range.
Word Counter
Count words, characters, sentences, and paragraphs in your text. See reading and speaking time estimates.
Time Calculator
Calculate the difference between two times or add and subtract hours, minutes, and seconds from a time.
Timezone Converter
Convert times between timezones instantly. See the current time in multiple zones side by side.
Image Resizer
Resize images to exact dimensions or scale by percentage. Choose output format and quality. Runs in your browser.
Image Format Converter
Convert images between PNG, JPG, and WebP formats. Adjust quality and download instantly — all in your browser.
PDF Page Extractor
Extract specific pages from a PDF file. Select pages individually or by range and download a new PDF — all in your browser.
Pomodoro Timer
Stay focused with the Pomodoro technique. Customizable work and break intervals with audio notifications.
JSON Formatter
Format, beautify, or minify JSON data. Validate syntax, see structure stats, and copy the result.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more.
URL Encoder / Decoder
Encode or decode URLs and query strings instantly. See a breakdown of URL components.
QR Code Generator & Reader
Generate QR codes from text or URLs with custom colors and sizes. Decode QR codes by uploading an image.
Time Cost Converter
See how many hours of your life a purchase really costs. Enter your wage and a price to get a reality check.
Priority Sorter
Drag and drop your tasks into priority order. Highlight what truly matters today and print your top priorities.
Goal Breakdown
Break big goals into smaller steps. Rate each by impact and effort, then sort to find your quick wins.
Send Email to Nowhere
Write an email that goes absolutely nowhere. Say what you need to say, hit send, and let it go. Nothing is ever sent or stored.
The Blame Game
Something went wrong? Spin the wheel to randomly assign blame. Mercury in retrograde? Interns? A cosmic ray? Find out.
Digital Dice Roller
Roll any number of dice with any number of sides. See animated results with dice face graphics, stats, and roll history.
Date Calculator
Add or subtract days, weeks, months, and years from any date. Find the difference between two dates in multiple units.
OCR Text Extractor
Extract text from images using OCR. Upload a photo of a document, receipt, sign, or screenshot and get editable text.
4% Rule Retirement Planner
Calculate your retirement nest egg using the 4% rule, find the required monthly contribution, and visualize portfolio growth over time with a live chart.
Eisenhower Matrix
Organize tasks by urgency and importance using the Eisenhower Matrix. Drag and drop between quadrants, then download your matrix as an image.
Image to PDF
Convert one or more images into a single PDF document. Drag to reorder pages, choose page size, orientation, and margins. 100% browser-based.
Image Collage Maker
Create photo collages from multiple images. Choose grid layout, border thickness, and colors. Download as PNG or PDF.
Password Generator
Generate strong, random passwords with customizable length and character sets. Uses cryptographic randomness for secure results.
Color Palette Generator
Generate harmonious color palettes from any base color. Choose complementary, analogous, triadic, and more. Export as CSS or Tailwind config.
Schedule Your Priorities
Set your most important priority for today, this week, month, or year — then schedule it directly to your calendar with a downloadable .ics, .ical, or .ifb file.
Solar Panel Calculator
Calculate how many solar panels you need or how much energy your panels can generate. Supports home, RV, and camping setups with US sun region data.
CSV Editor
Upload a CSV file and make quick edits: drag-and-drop column reorder, add columns with default values, remove empty columns, split columns by delimiter, and download the result.
Bookworm Calculator
Convert pages read into books read across different genres. See a growing book stack, fun author quotes, and reading stats. A fun tool for bookworms.
Quiz Taker
Generate quiz prompts for LLMs, paste in quiz questions, take quizzes one question at a time, and see your grade with detailed explanations. Supports multiple choice and true/false.
Step to Distance Converter
Convert steps to miles or kilometers based on your stride length. Includes height-based stride estimation and calorie estimates.
Credit Card Payoff Calculator
See how long it takes to pay off credit card debt and how much extra payments save. Includes full amortization schedule.
Investment Fee Impact Calculator
See how small annual fees reduce long-term investment gains. Compare no-fee, low-fee, and high-fee scenarios with an interactive chart.
Text Diff Tool
Compare two blocks of text and see exactly what changed. Supports unified, split, and inline word-level diff views.
Savings Goal Tracker
See how long until you reach your savings goal. Enter your target, current savings, and monthly contribution to get a timeline with milestones.
Percent Change Calculator
Calculate the percentage change between two values. See the formula, direction of change, and absolute difference instantly.
Chart Builder
Enter data in a spreadsheet grid and instantly see bar, line, pie, and doughnut charts. Add rows and columns, customize labels, and download any chart as JPG.
Sankey Diagram Builder
Build interactive Sankey diagrams by entering source → target → value flows. Customize node colors, choose from templates, and download a high-resolution PNG.
Compound Unit Converter
Convert between all units in a category at once — type in any field and every other updates in real time. Build compound units like speed, force, and power by adding multiplier or divider dimensions.
The Motivator
Get inspired by real stories of people who failed before succeeding. 50 detailed motivational stories across business, arts, science, sports, and activism — randomly served one at a time.
MPG Comparison Calculator
Compare gas vehicle MPG vs electric vehicle efficiency. See cost per mile, gallons per mile, and fuel savings. Includes average MPG calculator for mixed driving.
Curved Text Creator
Create curved, arched, or circular text for logos, badges, and graphics. Customize curve direction, amount, font, colors, and download as PNG with transparent background.
Calculator
A full-featured calculator with basic and scientific modes. Includes trigonometry, logarithms, powers, factorials, keyboard support, and a scrollable history of every calculation.
Water Intake Calculator
Calculate how much water you should drink per day based on age, weight, activity level, and climate. Based on IOM guidelines with a suggested drinking schedule.
Meeting Cost Calculator
Calculate the true cost of meetings based on attendees, salaries, and duration. Includes a live cost timer, recurring meeting projections, and what-if analysis for cutting attendees or shortening meetings.
Email Template Builder
Build professional emails fast with 8 ready-made templates for follow-ups, introductions, requests, and more. Fill in variables, preview the result, and copy to clipboard.
Salary Negotiation Calculator
See the true lifetime cost of accepting a lower salary. Compare offers with total compensation, compound growth over decades, and cost-of-living adjustments across 23 US cities.
Focus Time Planner
Plan your ideal work day with visual time blocks. Paint deep work, shallow work, meetings, and breaks across 30-minute blocks. See your Maker Score and export to .ics calendar file.
Decision Matrix
Make better decisions with a weighted scoring matrix. Define criteria, assign weights, score options, and see ranked results with sensitivity analysis. Export to CSV.
Meeting Agenda Builder
Build structured meeting agendas with timed items, attendees, action items, and cost estimates. Includes templates for casual, formal, and strategic meetings. Export to Word, PDF, Markdown, clipboard, or ICS calendar.