Home – Free Software Tool Library
Free Online Image Comparison Tool – Compare Two Images
👉 Compare two images online for free with the Image Comparison Tool on CodeStoolBox.com. Easily compare an original image with a modified version to identify visual differences, review changes, and simplify your image comparison tasks. Upload your images and click the Compare Images button to get started.
Color Converter – HEX, RGB & HSL Converter Online | CodeToolBox
👉 Convert colors instantly between HEX, RGB, and HSL formats with our free online Color Converter. Use the color picker, preview colors, copy color codes, and generate random colors easily.
Macro Calculator – Calculate Calories, Protein, Carbs & Fat
👉 Use our free Macro Calculator to calculate your daily calories, protein, carbohydrates and fat based on your age, weight, height, activity level and fitness goal.
Period Calculator - Calculate Your Next Period
👉 Use our free Period Calculator to estimate your next period, upcoming period dates, ovulation date, fertile window, and future menstrual cycles quickly and easily.
Water Intake Calculator - Daily Water Requirement
👉 Calculate your recommended daily water intake based on your body weight, activity level, and climate. Get an estimated amount of water you may need each day in liters, milliliters, and glasses with our free online Water Intake Calculator.
Password Generator - Generate Strong Random Passwords
👉 Free online password generator to create strong, secure, and random passwords. Choose password length, uppercase and lowercase letters, numbers, and symbols. Generate passwords instantly with CodeToolBox.
Online Code Formatter & Beautifier - CodeToolBox
👉 Free online code formatter and beautifier for HTML, CSS, JavaScript, PHP, JSON, XML, SQL, Java, Python, Kotlin, C, C++, C#, YAML and Markdown
Fixed Deposit (FD) Calculator - Calculate FD Maturity & Interest
👉 Use our free Fixed Deposit (FD) Calculator to calculate FD maturity amount, interest earned, and total returns with monthly, quarterly, half-yearly, or yearly compounding.
Free HTML Tabs Generator with Live Preview & Copy Code
👉 Create responsive HTML tabs instantly with our free HTML Tabs Generator. Customize tab titles and content, preview live, and copy clean HTML, CSS, and JavaScript code.
SIP Investment Calculator - Mutual Fund SIP Return Calculator
👉 Use our free SIP Calculator to estimate your mutual fund SIP maturity amount, total investment, and expected returns. Calculate monthly SIP growth instantly with an easy-to-use online calculator.
Savings Goal Calculator – Estimate Future Savings & Goal Progress
👉 Calculate your future savings with compound interest, estimate additional deposits needed, and track your progress toward your savings goal using our free online calculator.
Pregnancy Due Date Calculator - Estimate Your Baby's Due Date
👉 Calculate your pregnancy due date, gestational age, conception date, and pregnancy timeline using your last menstrual period (LMP) and cycle length.
Free Online GST Calculator India
👉 Free Online GST Calculator for India. Calculate GST amount, GST-inclusive and GST-exclusive prices instantly. Supports 5%, 12%, 18%, and 28% GST rates with accurate results.
Stock Profit / Loss Calculator – Calculate Share Market Returns Online
👉 Free Stock Profit / Loss Calculator to calculate stock investment returns, net profit, loss, ROI, brokerage fees, and percentage gain instantly online.
Metabolic Age Calculator – Check Your Metabolism Age Online Free
👉 Use our free Metabolic Age Calculator to estimate your metabolic age based on age, gender, height, weight, and activity level. Discover if your metabolism is younger or older than your actual age.
Free Online CSS Minifier Tool – Compressor & Optimizer
👉 Minify and compress your CSS code online for free. Remove comments, spaces, and unnecessary characters instantly to reduce file size, improve website speed, and optimize performance.
Ultimate Kidney Function Calculator for Free
👉 Use our Ultimate Kidney Function Calculator to estimate eGFR and check kidney health instantly. Calculate kidney function using age, gender, and serum creatinine levels online for free.
Free Online Investment Planner & Wealth Simulator
👉 Plan your SIP, view asset allocation, and simulate long-term wealth growth with realistic returns using an easy online investment planner.
Free Meditation Timer - Online Mindfulness Timer
👉 A free online meditation timer with calming ambient sounds, breathing guide, and customizable session duration to help you relax and focus.
Free BP Classification & Diabetes Risk Screening Tool
👉 Use our free BP Classification & Diabetes Risk Screening Tool to instantly analyze your blood pressure levels and get a clear understanding of your overall health status. The tool evaluates your readings and lifestyle factors to provide an easy-to-understand classification of your blood pressure, helping you identify whether it falls within normal, elevated, or hypertension ranges.
Immunity Score Calculator
👉 Check your immunity score based on sleep, water intake, exercise, diet, and stress levels. Get instant results and improve your overall health with this easy-to-use immunity calculator.
Free Accessibility & UX Analyzer | Check Your Website UX & Accessibility
👉 Evaluate your website’s accessibility and user experience effortlessly. Identify issues, warnings, and best practices, and get actionable insights to improve usability for all users. Just enter a website URL or paste HTML, and instantly receive a UX Score along with detailed feedback on images, forms, buttons, headings, and links.
Free HTML Website Builder Tool Online
🚀 “Build professional, fully responsive websites effortlessly with our Free HTML Website Builder Tool. Perfect for startups, IT solutions, business consulting, and portfolios. No coding required—drag, drop, and customize every section to match your vision."
Ovulation and Fertility Calculator for Free
👉 Our Ovulation and Fertility Calculator is a simple and accurate online tool designed to help women understand their menstrual cycle and predict their most fertile days. By entering the first day of your last period and your average cycle length, the calculator estimates your ovulation date and fertile window — the days when you are most likely to conceive. This tool is ideal for those planning pregnancy, tracking fertility, or monitoring reproductive health. It provides quick results based on standard ovulation patterns, taking into account that ovulation usually occurs about 14 days before the start of your next period.
EMI Calculator | Calculate Your Loan EMI Instantly
👉 Calculate your monthly EMI, total interest, and total payment easily by entering your loan details. It Helps you make informed decisions before taking a loan an also Provides transparency in loan repayment and interest calculations quickly. Start planning your finances today by using the EMI Calculator
Free XML, HTML & TXT Sitemap Generator | Online SEO Sitemap Tool
👉Looking for a fast and reliable way to generate a sitemap for your website? Our Free Online Sitemap Generator lets you create XML, HTML, and TXT sitemaps instantly. These sitemaps help search engines like Google and Bing crawl and index your pages more efficiently, improving your SEO visibility.
Free Online XML Formatter & Validator
👉 Our Free Online XML Formatter & Validator is a free online tool that helps you format, validate, and explore XML data in a clean, structured tree view. Whether you are debugging API responses, working with configuration files, or analyzing structured data, this XML viewer makes complex XML easy to read and navigate.
📸 Schedule and Capture Website Screenshots for Free
👉 Our Online Schedule & Capture Screenshots Free Tool lets you automatically capture website pages at specific times and receive them directly in your email. Simply set the URL, choose the time and frequency, and we’ll handle the rest.
Interactive JSON Formatter
👉 The Interactive JSON Formatter is a web-based tool designed to make reading, editing, and navigating JSON data simple and intuitive. Whether you’re a developer debugging APIs, working with configuration files, or exploring large datasets, this tool helps you visualize JSON in a clean, structured format.
Free HTML Form Generator
👉 “Our Free HTML Form Generator helps you create clean, ready-to-use HTML form code in seconds. Whether you need a contact form, registration form, login form, or feedback form, this tool allows you to add input fields, textareas, and required attributes without writing code manually."
Free Website Screenshot Generator
👉 Our Free Website Screenshot Generator allows you to capture high-quality screenshots of any public website in seconds. Simply enter a valid URL, and our tool will render the webpage securely and generate a full-page screenshot without requiring any software installation.
Free Heart Risk Score Calculator
👉 Understanding your risk of heart disease is one of the most important steps toward protecting your long-term health. Our Heart Risk Calculator helps estimate your likelihood of developing cardiovascular disease based on key health and lifestyle factors.
QR Code Scanner Online for Free
👉 Scan QR codes instantly using your camera with our free online QR scanner. Works seamlessly on both mobile devices and desktop computers. Quickly read URLs, text, and other QR code data without installing any software. Safe, fast, and easy-to-use, this online QR code scanner lets you scan QR codes directly from your browser anytime, anywhere. Perfect for personal or business use.
Indian Tax Calculator – New and Old Regime
👉Calculate your income tax in India easily with our free online Indian Tax Calculator. Whether you follow the New Tax Regime with lower slabs and fewer deductions or the Old Tax Regime with traditional slabs and deductions, our tool gives you accurate annual and monthly tax amounts along with a detailed slab-wise breakdown.
Workout Generator Tool
👉Get fit anywhere, anytime with our free Workout Generator! Choose your goal—Strength, HIIT, or Fat Loss—and instantly get a random or goal-based workout designed to challenge you and keep you moving. Simple, fast, and fun, this tool is perfect for home workouts, quick fitness breaks, or boosting your exercise routine without the hassle of planning.
Calorie Calculator | BMR & TDEE Daily Calorie Needs
👉Discover how many calories your body needs every day with our free Calorie Calculator. By calculating your BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy Expenditure), you can determine the perfect calorie intake for weight loss, maintenance, or muscle gain.
Free Online Enquiry Form Builder – Custom HTML & CSS Generator
👉 “Our Enquiry Form Generator instantly creates a modern, responsive form with custom labels, fields, and styles that perfectly match your website’s design. This form is ideal for collecting names, emails, phone numbers, and messages from your visitors. Lightweight, mobile-friendly, and fully SEO-optimized, it ensures a smooth user experience across all devices. Simply copy the generated HTML and CSS, paste it into any page, and get a ready-to-use enquiry form that improves engagement and makes managing enquiries effortless."
Ideal Weight Calculator - Devine, Robinson & Hamwi Methods
👉Discover your ideal body weight quickly and easily using the most trusted formulas. Our calculator uses the Devine, Robinson, and Hamwi methods to provide accurate estimates of healthy weight ranges based on your height and gender.
AI Image Generator with Emojis
👉 Create unique AI-generated images and match them with the perfect emojis. Turn your ideas into stunning visuals instantly with our easy-to-use AI Image Generator
HIIT & Tabata Exercise Timer | Free Online Workout Timer
👉 Free HIIT & Tabata exercise timer with customizable work, rest, and rounds. Perfect for interval training, fat loss, and home workouts.
BMI(Body Mass Index) Calculator
👉 Free BMI calculator to check your Body Mass Index using height and weight. Instantly find out if you are underweight, normal, overweight, or obese.
Free Multi-Page Web Design Company Template
👉 Download this free multi-page website template designed specifically for web design companies, startups, IT firms, software companies, and digital agencies. Built with clean HTML, CSS, and jQuery, this fully responsive and highly customizable template allows you to create a modern, professional, and SEO-friendly online presence with ease. Perfect for showcasing your services, portfolio, and business solutions.
Free Website Template for Business consultancy
👉 “Download a free Business Consultancy website template built with clean HTML, CSS, and jQuery. This elegant, responsive, and fully customizable layout is perfect for startups, consulting firms, software companies, and digital agencies looking for a modern and professional online presence.”
Free Real-Time Heart Rate Monitor
👉 Measure your heart rate in real-time using your device's camera. Get accurate BPM readings instantly and track your pulse online. Place your fingertip on your device's camera and hold still for 60 seconds to measure your heart rate.
Free Physical Activity Calculator
👉 Quickly assess your physical activity level from 0 to 100 with our easy Fitness Level Calculator. Answer 5 simple questions and get a color-coded activity meter along with personalized advice to improve your fitness.
Free Sleep Quality Calculator
👉 Quickly assess your sleep quality from 1 to 10 with our easy Sleep Quality Calculator. Answer 5 simple questions about your sleep habits and get a color-coded meter along with personalized advice to improve your sleep patterns
Free Stress Level Calculator
👉 Quickly measure your stress level from 0 to 10 with our easy Stress Level Calculator. Answer 5 simple questions to get a color-coded stress meter and personalized advice to help manage your stress effectively.
Free Online Rich PDF Text Editor – Edit, Format & Export
👉 Use our Free Online Rich PDF Text Editor, the easiest way to edit, format, and customize your PDF documents directly in your browser—no downloads or installations required. Whether you want to add text, change fonts, adjust colors, or export your PDF, our tool makes it fast, simple, and secure.
Free Online Find & Replace Tool
👉 Use our Online Find & Replace Tool with Text Highlighter, designed to help you quickly search, replace, and highlight text in your files. Whether you’re editing documents, CSV files, or code snippets, this tool makes text management effortless and efficient.
Remove Duplicate Rows from CSV or TEXT files for free
👉Working with CSV files often leads to duplicate rows that clutter your data and cause inaccurate results. This free online tool makes it easy to remove duplicate rows from CSV or TXT files in just a few clicks. Upload your file, process it instantly in your browser, and download a clean version with only unique rows. No installations, no uploads to external servers — fast, secure, and reliable.
Remove Duplicate Rows by Date from CSV or Text files for free
👉Managing CSV files with repeated dates can be frustrating and error-prone. This free online tool helps you remove duplicate rows based on date quickly and securely. Simply upload your CSV or TXT file, and the tool will keep only the first occurrence of each date while discarding duplicates. Once processing is complete, you can download a clean CSV file with unique dates — ready for analysis, reporting, or further use.
Embed YouTube Channel Videos on Your Website | Live Demo
👉 “Easily display your YouTube channel videos on your website using the YouTube Data API v3. This integration allows your website to automatically fetch and display the latest videos from any YouTube channel. Users can click Load More to view additional videos, and the player ensures only one video plays at a time for a clean user experience."
Free Deadlift Weight Calculator
👉Looking to find out your minimum and maximum deadlift weights based on your age, height, and body weight? Our Deadlift Weight Calculator helps you estimate your lifting potential quickly and safely. Whether you are a beginner or an advanced lifter, this tool gives a clear benchmark for your strength goals.
Free Broken Link Checker | Check & Find Broken Links Online
👉Broken links can harm your website’s user experience, reduce search engine rankings, and negatively affect your SEO. Our Broken Link Checker helps you quickly identify broken or dead links on your website, so you can fix them before they impact your site’s performance.
Trending YouTube Videos | Technology, News, Education & More
👉Stay up-to-date with the latest trending YouTube videos across multiple categories including Technology, News, Education, How-to, and Science. Watch the most popular videos from your country or globally, updated daily to keep you informed and entertained.
Free API Response Generator
👉 Test and debug APIs effortlessly with our API Response Generator. Send GET, POST, PUT, PATCH, DELETE, or OPTIONS requests and instantly inspect the response status, headers, body, and response time. Save your request history locally for quick access and repeat testing.
Free Regular Expression Tester & Explainer
👉Welcome to our Regex Tester & Explainer — a free online tool to help you validate, test, and understand regular expressions in real time. Whether you're a beginner or an experienced developer, our tool allows you to quickly check your regex patterns and see which lines match your input text.
Share Current Location with Google Map for Free
👉Share your current and live location instantly with Google Maps. View your live GPS position on a map and send the link easily via WhatsApp, Gmail, or your mobile share options."
Free Online Resume Builder | CV Maker
👉Create professional profiles quickly with our Free Online Resume Builder Tool. Build resumes, CVs, and social media profiles online, customize your details, and download instantly in multiple formats.
Free Single page template for Web Design company
👉 “Free single page Template for Web Design company is available for Download. This modern, responsive, and customizable template is perfect for startups, IT firms, software companies, and digital agencies looking for a professional online presence.”
💪 Free AI Based Health Risk analyzer Tool
👉 "Take control of your health with our AI-powered Health Risk analyzer Tool. This tool analyzes your personal lifestyle data—such as age, sleep patterns, physical activity, stress levels, BMI, blood pressure, and daily habits—to provide a clear understanding of your potential health risks."
💪 Free Fitness & Meal Plan Generator
👉 "Welcome! Get tailored workout routines and meal plans designed for your gender, fitness goal, and BMI category. Whether you aim for fat burn, muscle gain, or overall health, our recommendations help you achieve your fitness goals efficiently.
Free Advanced Image Editor
👉 "Edit and enhance your images online with our Advanced Image Editor. Apply filters like grayscale, invert, brightness, contrast, and saturation. Adjust effects with intuitive sliders and download your edited image instantly. Perfect for quick, professional photo edits"
Free AI based Question & Answer Tool
👉 "Our AI-powered tool uses TensorFlow.js to analyze any paragraph or text you provide. Simply paste your text or load it from a URL, ask a question, and get instant, accurate answers. This extractive AI reads your content, understands the context, and highlights the information you need—making it easy to explore, learn, and extract knowledge from any text."