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Last updated: Feb 27, 2026

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  • Finance47
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  • Offline22

Offline indicates a tool works without a network connection (cached by the Service Worker).

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Mortgage Tools Hub

Compare ARM vs Fixed, PMI drop, points break-even, affordability, and more — all in one place.

Showing 136 of 136 tools.
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Popular Categories

  • Finance: Financial calculators and converters
  • Health: Health and fitness calculators
  • Files: PDF, image, and file tools
  • Category Text: Text processing and conversion tools

And many more...

  • .properties / .env ⇄ JSON Converter

    Convert between .properties (.env) and JSON locally in your browser.

    UtilityText
  • Offline

    Age Calculator

    Exact age in years, months and days.

    UtilityHealth

  • AI Image Generator

    Generate images from text with Google Imagen.

    FilesUtility

  • AI Text Summarizer

    Summarize long text into concise paragraphs or bullet points using AI.

    TextUtility

  • AI Video Generator

    Generate short videos from text (preview).

    FilesUtility

  • Anniversary Calculator

    Calculate relationship milestones and important dates.

    RomanceUtility

  • APR ↔ APY Converter

    Convert APR to APY and vice versa with custom compounding frequency.

    FinanceConversion

  • ARM vs Fixed Mortgage Calculator

    Compare Adjustable Rate Mortgage (ARM) vs Fixed Rate Mortgage to see which saves you money.

    Finance

  • Audio Tools

    TTS, STT, voice changer and voice isolator.

    UtilityFiles
  • Offline

    Baby Development Milestones

    Track key developmental milestones for your baby by age.

    Health

  • Baby Development Tracker

    Week-by-week development insights and milestones.

    Health

  • Balance Transfer Calculator

    Estimate savings from moving a balance to an intro APR offer, including fees and break-even.

    Finance

  • Base Converter

    Convert numbers between binary, octal, decimal and hexadecimal.

    ConversionUtility
  • Offline

    Base64 Encoder / Decoder

    Convert text to Base64 and back. Works offline.

    ConversionUtility

  • Biweekly vs Monthly Mortgage Calculator

    See how switching to biweekly payments can reduce your mortgage interest and pay off time.

    Finance
  • Offline

    BMI Calculator

    Calculate your Body Mass Index (BMI) and understand your weight category.

    Health

  • Body Fat Calculator (US Navy)

    Estimate body fat percentage using the US Navy method.

    Health

  • Budget Planner

    Plan your monthly budget, track expenses, and set savings goals.

    Finance
  • Offline

    Calorie Burn Calculator

    Estimate calories burned by activity and duration.

    Health
  • Offline

    Calorie Calculator

    Estimate daily calorie needs (BMR & TDEE).

    Health

  • Closing Costs & Cash to Close Calculator

    Estimate loan costs, prepaids, credits, and your cash to close.

    Finance
  • Offline

    Color Picker & Converter

    Pick colors and convert between HEX, RGB, HSL formats with palette generation.

    UtilityText

  • Compound Interest Calculator

    Calculate compound interest with detailed breakdown and charts.

    Finance

  • Couple Name Generator

    Create cute ship names from two names.

    RomanceUtility

  • Credit Utilization Calculator

    Calculate per-card and overall credit utilization.

    Finance

  • Cron Expression Translator

    Explain standard 5-field cron expressions in plain English.

    UtilityText

  • Crush Calculator

    Find out if your feelings are mutual (for fun).

    RomanceUtility

  • Cryptocurrency Portfolio Tracker

    Track your crypto holdings and live values.

    Finance

  • CSS Minifier

    Minify CSS by removing comments and unnecessary whitespace.

    UtilityText

  • CSV to JSON Converter

    Convert CSV data into JSON arrays locally.

    UtilityText

  • Currency Converter

    Convert between global currencies instantly.

    FinanceConversion

  • Daily Water Intake Calculator

    Estimate your daily water needs based on weight and activity.

    Health

  • Date Difference Calculator

    Calculate days between dates with human-friendly breakdown.

    Utility

  • Debt Consolidation Calculator

    Compare your current loans vs a consolidation option to see monthly and interest impact.

    Finance

  • Debt Payoff Calculator

    Compare avalanche vs snowball strategies to get debt-free.

    Finance

  • Debt-to-Income (DTI) Calculator

    Calculate your DTI ratio and see how lenders may view it.

    Finance
  • Offline

    Discount Calculator

    Find savings and final price after discount.

    FinanceUtility

  • Emergency Fund Calculator

    Find your emergency fund target and how long it takes to reach it.

    Finance

  • EMI Calculator

    Calculate Equated Monthly Installments for loans with amortization schedule.

    Finance

  • Essay Word Counter

    Advanced text analysis: readability, vocab, citations.

    UtilityText

  • Event Countdown

    Create customizable countdown timers you can share.

    Utility

  • Future Prediction (Fun)

    Ask the crystal ball a question and reveal your destiny.

    Utility

  • GPA Calculator

    Calculate Grade Point Average for academic performance tracking.

    Utility

  • GST Calculator

    Calculate GST from exclusive or inclusive price.

    FinanceUtility
  • Offline

    Hash Generator & Verifier

    Generate and verify MD5, SHA-1, SHA-256, SHA-512 hashes for text and files.

    UtilityText

  • Heart Rate Zones Calculator

    Calculate Zone 1–5 using Max HR or Karvonen method.

    Health

  • HELOC vs Cash-Out Refi Calculator

    Compare HELOC and cash-out refinance for the cash you need—see payments, net costs, and break-even.

    Finance

  • Historical Age Calculator

    See your age in different eras and calendars.

    Utility

  • Home Affordability Calculator

    Estimate how much house you can afford by region.

    Finance

  • HTML Encoder / Decoder

    Encode or decode HTML entities safely.

    UtilityText

  • HTML Minifier

    Minify HTML by removing comments and collapsing whitespace.

    UtilityText

  • Ideal Weight Calculator

    Estimate ideal weight ranges with multiple formulas.

    Health

  • Image Editor

    Rotate and export images locally.

    Files

  • Image to Base64 (Data URL)

    Convert images to Base64 data URLs locally.

    FilesUtility

  • Image Tools

    Optimize & transform images quickly.

    Files

  • Inflation Calculator

    Adjust prices across years with an assumed annual inflation rate.

    Finance

  • INI ⇄ JSON Converter

    Convert between INI and JSON locally in your browser.

    UtilityText

  • Insurance Calculator

    Estimate life, health, and auto insurance needs.

    Finance

  • Investment Calculator

    Compound growth with monthly contributions and summary.

    Finance

  • Invoice Generator

    Create invoices and download as PDF (local).

    FinanceUtility

  • IQ Test Calculator

    Fun, non-diagnostic IQ-style quiz with score.

    Utility

  • JSON Formatter & Validator

    Format, validate, and analyze JSON with stats, search, and path finder.

    UtilityText

  • JSON to CSV Converter

    Convert JSON arrays of objects into CSV with a header row.

    UtilityText

  • JWT Decoder

    Decode JSON Web Tokens locally to view header and payload.

    UtilityText

  • Kiss Compatibility Test

    A playful romantic test with a fun score and tips.

    RomanceUtility

  • Language Learning Progress Tracker

    Track daily streaks, vocabulary, and fluency goals.

    Utility
  • Offline

    Life Expectancy Calculator

    Estimate life expectancy based on lifestyle inputs.

    Health
  • Offline

    Loan / EMI Calculator

    Monthly payment, interest & amortization insights.

    Finance

  • Extra Payment Calculator

    See months and interest saved by adding an extra monthly loan payment.

    Finance

  • Lorem Ipsum Generator

    Generate placeholder text by paragraphs or sentences.

    UtilityText

  • Love Calculator

    Fun, privacy-first compatibility calculator (names or birthdays).

    RomanceUtility

  • Love Letter Generator

    AI-style romantic letter templates you can personalize.

    RomanceText

  • LPMI vs BPMI Mortgage Calculator

    Compare lender-paid vs borrower-paid PMI: payments, PMI duration, interest, and break-even.

    Finance

  • Macro Calculator

    Plan daily protein, fat, and carbs from your calorie target.

    Health

  • Markdown to HTML Converter

    Convert Markdown to HTML with live preview and syntax guide.

    TextConversion

  • Marriage Prediction (Fun)

    Lighthearted, astrology-inspired timing and tips.

    RomanceUtility

  • Memory Test Games

    Play simple games to assess memory and attention.

    Utility

  • Meta Tag Generator

    Generate optimized meta tags for your website including title, description, Open Graph, and Twitter Cards for better SEO.

    Utility
  • Offline

    Mortgage Calculator

    Estimate mortgage payments & total interest.

    Finance
  • Offline

    Mortgage Points Break-Even

    See if buying points to reduce your mortgage rate pays off, and when.

    Finance

  • Mortgage Recast vs Extra Payments

    Compare a mortgage recast (lump-sum + re-amortization) vs making extra monthly payments—payments, net costs, and break-even.

    Finance

  • Mortgage Recast vs Refinance Calculator

    Compare a mortgage recast (with a lump-sum) against a full refinance—payments, net costs, and break-even.

    Finance

  • Mortgage Tools Hub

    Explore mortgage calculators: payments, refinance, PMI, points, recast, and more.

    Finance

  • Name Meaning Generator

    Discover etymology, origins and fun personality traits.

    Utility

  • Net Worth Calculator

    Calculate your net worth by tracking assets and liabilities.

    Finance

  • Ovulation Calculator

    Predict fertile window estimates from cycle data.

    Health
  • Offline

    Password Generator

    Create strong, random passwords with custom length and symbols.

    UtilityText

  • Paycheck Breakdown

    Estimate gross-to-net pay with taxes and deductions.

    Finance

  • PDF Tools

    Work with PDFs: optimize, merge, split & export images.

    Files

  • Percentage Calculator

    Calculate percentages, percentage change, and percentage of a number.

    UtilityFinance

  • Period Tracker

    Predict menstrual cycles and track symptoms privately.

    Health

  • Pet Age Calculator

    Convert dog and cat years into human equivalents.

    Utility

  • PMI Drop Date Calculator

    Estimate when PMI can drop off your mortgage at 80%/78% LTV and what you pay until then.

    Finance

  • Pregnancy Due Date Calculator

    Estimate your due date and week-by-week progress.

    Health
  • Offline

    QR Code Generator

    Generate QR codes for text, URLs, WiFi, and vCard contact information.

    UtilityText
  • Offline

    Random Number Generator

    Generate random numbers in a range; pick multiple unique values.

    Utility

  • Reading Time Estimator

    Estimate reading time for articles and books.

    UtilityText

  • Refinance Break-Even Calculator

    Estimate monthly savings, break-even months, and net savings after closing costs.

    Finance

  • Regex Tester

    Test JavaScript regular expressions against sample text.

    UtilityText

  • Relationship Compatibility Test

    Zodiac + fun personality match with a friendly explanation.

    RomanceUtility

  • Relationship Timeline

    Track important dates and milestones together.

    RomanceUtility

  • Rent vs Buy Calculator

    Compare renting versus buying with appreciation, rent growth, and investment returns.

    Finance

  • Research Citation Generator

    Generate APA, MLA, and Chicago style citations.

    UtilityText

  • Retirement Calculator

    Project your retirement corpus with contributions and expected returns.

    Finance

  • Retirement Goal Planner

    Find the monthly contribution needed to reach your target corpus.

    Finance

  • Robots.txt Generator

    Create and customize robots.txt files to control search engine crawling for your website.

    Utility

  • Romantic Quote Generator

    Daily romantic quotes and sweet messages.

    RomanceText

  • Salary Calculator

    Net income after taxes by country with breakdown.

    Finance

  • Savings Goal Tracker

    Track progress toward savings goals with contributions and interest.

    Finance

  • Savings Rate Calculator

    Calculate your savings rate and time to reach targets.

    Finance

  • School Days Calculator

    Days until graduation or vacation by calendar.

    Utility

  • Scientific Calculator

    Advanced scientific calculator with trigonometric, logarithmic, and exponential functions.

    UtilityConversion

  • SEO Analyzer

    Comprehensive SEO analysis with 46 real-time checks for technical SEO, content, performance, and rankings.

    Utility

  • SIP Planner

    Calculate the future value of your Systematic Investment Plan (SIP).

    Finance

  • Sleep Quality Calculator

    Analyze sleep patterns and get gentle improvement tips.

    Health

  • Stock Market Calculator

    Calculate P/E, dividend yield, and position metrics.

    Finance

  • Study Time Calculator

    Plan optimal study schedules and sessions.

    Utility

  • Tax Calculator

    Estimate taxes for multiple countries and regimes.

    Finance
  • Offline

    Text Case Converter

    Convert text to upper, lower, title and sentence case.

    TextUtility

  • Text Diff (Compare)

    Compare two texts by lines, words, or characters and copy/download results.

    UtilityText

  • Time Until Retirement

    Countdown to your retirement age with savings goals.

    Finance

  • Time Zone Converter

    Convert time between popular time zones accurately.

    Utility

  • Timestamp Converter

    Convert between Unix timestamps and human-readable date-times.

    Utility
  • Offline

    Tip Calculator

    Split bills and calculate tips per person.

    UtilityFinance

  • TOML ⇄ JSON Converter

    Convert between TOML and JSON locally in your browser.

    UtilityText

  • Typing Speed Test

    Measure WPM and track improvement trends.

    Utility
  • Offline

    Unit Converter

    Convert between different measurement units with regional preferences.

    Conversion
  • Offline

    URL Encoder / Decoder

    Encode or decode URLs safely for sharing and APIs.

    ConversionUtility

  • URL Parser

    Parse URLs into protocol, host, path, query, and hash.

    UtilityText
  • Offline

    UUID Generator

    Generate RFC4122 UUID v4 identifiers with one click.

    Utility

  • Valentine’s Day Countdown

    Romantic countdown with personalized message.

    Romance

  • Vocabulary Builder

    Daily word challenges with spaced repetition.

    UtilityText
  • Offline

    Word Counter

    Advanced text analysis with readability score, word frequency, and detailed stats.

    Text

  • Work Days Calculator

    Calculate business days between dates with holidays.

    Utility

  • XML ⇄ JSON Converter

    Convert between XML and JSON locally in your browser.

    UtilityText

  • YAML ⇄ JSON Converter

    Convert between YAML and JSON locally in your browser.

    UtilityText