ToolsMana - Free Online Conversion Tools

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Developer Tools

🔐Base64 Encoder/Decoder 💱CSV to JSON Converter 🗄️CSV to SQL Converter 📋JSON Formatter 📊JSON to CSV Converter ⏰Timestamp Converter 🔗URL Encoder/Decoder 🔄JSON to YAML Converter 🔄YAML to JSON Converter 🏷️HTML Encoder/Decoder 🔑JWT Decoder 🕐Cron Expression Parser 🔍JSON Diff Viewer 🧪Regex Tester 📝Markdown to HTML

Text & Writing Tools

📝Word Counter 🔤Case Converter 📋Lorem Ipsum Generator 🔍Text Diff Checker 🔗Slug Generator 🧹Remove Duplicate Lines

Design Tools

🎨HEX to RGB Converter 🎨RGB to HEX Converter 🌊HEX to Tailwind Color 📏PX to REM Converter 📸Image Color Picker 🌬️Tailwind to CSS ✨CSS to Tailwind ⭕Border Radius Generator 📺Aspect Ratio Calculator 🖼️Base64 Image Encoder ✂️Image Crop & Resize 📦CSS Flexbox Generator 🔲CSS Grid Generator 🎯Color Palette Generator 🌊SVG Wave Generator ✂️CSS Clip Path Generator 🪟Glassmorphism Generator 🌈Animated Gradient Generator ♿WCAG Contrast Checker ⭐Favicon Generator 🪟CSS Box Shadow Generator 🌈CSS Gradient Generator

SEO & Marketing Tools

🏷️Meta Tag Generator 📊Open Graph Generator 🤖robots.txt Generator 🗺️XML Sitemap Generator 📐Schema Markup Generator 📈UTM Builder 📉Keyword Density Checker

Math & Calculator Tools

%Percentage Calculator 🎂Age Calculator ⚖️BMI Calculator 💵Tip Calculator 🏦Loan / EMI Calculator 🏷️Discount Calculator 📐Unit Converter 🔢Number Base Converter

Health & Fitness Tools

🔥TDEE Calculator 🥗Macro Calculator 📉Calorie Deficit Calculator 📏Body Fat Calculator 🏋️One Rep Max Calculator 💧Water Intake Calculator 🤰Due Date Calculator ❤️Heart Rate Zone Calculator ⏱️Intermittent Fasting Calculator 😴Sleep Cycle Calculator

Real Estate Tools

🏠Mortgage Affordability Calculator 🔑Rent vs Buy Calculator 💰Down Payment Calculator 🏛️Property Tax Calculator 📊Cap Rate Calculator 🏘️Rental Yield Calculator 📋Closing Cost Calculator 💳Extra Payment Amortization 🔃Mortgage Refinance Calculator 🏖️Airbnb Profit Calculator

Education Tools

📝Grade Calculator 🎓GPA Calculator 🎲Random Name Picker 📊Rubric Generator 📖Readability Analyzer 📚Citation Generator ✅Attendance Calculator

Content Creator Tools

📐Social Media Image Size Guide 🖼️YouTube Thumbnail Preview 💵YouTube Earnings Calculator 📊Engagement Rate Calculator #️⃣Hashtag Generator 📧Email Subject Analyzer

Freelance & Business Tools

💼Freelance Rate Calculator 📊Profit Margin Calculator ⚖️Break-Even Calculator 🏷️Pricing Calculator 📈Compound Interest Calculator 📈ROI Calculator 🏦Business Loan Calculator 🚀Startup Runway Calculator

Insurance & Coverage Tools

🛡️Life Insurance Needs Calculator 🏠Renters Insurance Cost Estimator 🏡Home Insurance Coverage Calculator 🚗Auto Insurance Cost Estimator 🏥Health Insurance Plan Comparator

Personal Finance Tools

💳Credit Card Payoff Calculator ❄️Debt Snowball vs Avalanche Calculator 🆘Emergency Fund Calculator 🔥FIRE Calculator 📊Net Worth Calculator 🎯Savings Goal Calculator 📈Inflation Calculator 🎓Student Loan Repayment Calculator 💵Paycheck Calculator

Tax Calculator Tools

₿Crypto Tax Calculator 📉Capital Gains Tax Calculator 🏛️Tax Bracket Calculator 📝W-4 Withholding Calculator 📄1099 Tax Estimator 💸Tax Refund Estimator 🏦Roth vs Traditional IRA Calculator 📅Quarterly Estimated Tax Calculator

Auto & Vehicle Tools

🚗Car Loan Calculator 🔄Lease vs Buy Calculator 📉Car Depreciation Calculator ⛽Gas Cost Trip Calculator ⚡EV vs Gas Cost Comparison 🏷️Car Affordability Calculator

Legal & Document Tools

👶Child Support Estimator ⚖️Alimony Estimator 🏛️Personal Injury Settlement Calculator 📖Small Claims Court Guide 🔑Lease Break Cost Calculator 🔒NDA Generator

Home & DIY Tools

🎨Paint Calculator 🪵Flooring Calculator 🔲Tile Calculator 🏗️Deck Cost Calculator 🧱Concrete Calculator 🏡Fence Cost Calculator 🌿Mulch & Gravel Calculator 💡Electricity Cost Calculator 🏠Roof Cost Estimator

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200+ free online tools for developers, designers, and professionals. All calculations happen in your browser — 100% private, no data sent to servers.

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