Skip to main content
RaikTools — Free Online Tools

All Free Online Tools for Developers & Creators

Browse our complete directory of 130+ free tools. From calculators to code formatters, every tool runs instantly in your browser — zero tracking, zero cost, zero signup required.

Binary Converter

8 tools

Convert text and binary data quickly with our precise binary utilities.

ASCII to Binary Converter
Free ASCII to binary converter — paste any text and instantly get its 8-bit binary code. Supports reverse conversion (binary back to ASCII). 100% client-side. No signup.
Binary to ASCII Converter
Decode binary code to readable ASCII text instantly. Paste your 8-bit binary strings and convert binary to English for free. 100% private, no signup required.
Binary to Decimal Converter
Convert binary (base-2) to decimal (base-10) instantly. Free online calculator with step-by-step formula, 8-bit reference table, and large BigInt support.
Binary to HEX Converter
Convert binary (base-2) to hexadecimal (base-16) instantly. Free online converter with 4-bit nibble grouping, conversion chart (0–F), and step-by-step formula.
Binary to Text Converter
Decode binary code (0s and 1s) to plain English text instantly. Free 8-bit ASCII and UTF-8 binary translator with byte breakdown, format validator, and .txt export.
Decimal to Binary Converter
Convert decimal (base-10) numbers to binary (base-2) instantly. Free online converter with step-by-step division-by-2 steps, powers of 2 table, and BigInt support.
Hex to Binary Converter
Convert any hex value to binary instantly — 100% free, no sign-up, runs entirely in your browser. Supports long strings, live validation, nibble counts & bidirectional conversion.
Text to Binary Converter
Convert text to 8-bit ASCII binary code instantly with our free online translator. Instant, client-side, 100% private tool with live stats and file download.

Finance - Business Tools

20 tools

Calculate ROI, profit margins, discounts, and mortgages with our free financial utilities.

APR Calculator
Calculate the true Annual Percentage Rate (APR) on mortgages, auto loans, and personal loans including upfront origination fees. Compare interest rate vs. true APR.
Break-Even Calculator
Calculate your exact break-even point in units and dollars. Analyze fixed costs, variable costs, contribution margin, and target profit goals with interactive visual charts.
Budget Allocation Tool
Plan monthly income and allocate expenses using the 50/30/20 budget rule. Free interactive personal finance planner with custom categories and visual progress bars.
Business Idea Validator
Validate your startup or business idea before spending time and money. Calculate a weighted 0-100 feasibility score based on market demand, costs, and competition.
Business Invoice Maker
Create, customize, and download professional itemized invoices for your business or freelance clients. Includes tax, discounts, multi-currency support, and PDF exports.
Business Revenue Calculator
Calculate your total business revenue, net profit, and recurring revenue (MRR/ARR). Free multi-stream sales income estimator with visual charts and PNG exports.
Cash Flow Analysis Tool
Analyze your business cash inflows and outflows across Operating, Investing, and Financing activities. Calculate net cash flow, burn rate, and runway months free.
Credit Card Interest Calculator
Calculate credit card interest charges, daily periodic rates (DPR), and payoff timelines. Compare minimum vs. fixed payments to save thousands in debt interest free.
Debt Payoff Calculator
Calculate your exact debt-free date and compare Debt Avalanche vs. Debt Snowball strategies. Free multi-debt payoff planner with extra payment sliders and PNG exports.
Debt-to-Income Ratio Calculator
Calculate your Front-End (Housing) and Back-End (Total) Debt-to-Income (DTI) ratios. See mortgage underwriting eligibility, lender risk tiers, and download summary cards free.
Discount Calculator
Calculate final sale prices, total savings, and post-discount sales tax. Supports stacked percentage discounts (e.g. 30% + 15% off) and reverse price lookup.
Financial Goal Tracker
Track your financial goals, calculate required monthly savings rates, and project compound interest growth. Free milestone tracker with PNG exports and local storage.
Future Value Calculator
Calculate the future value of investments, compound interest growth, and inflation-adjusted purchasing power. Free FV calculator with year-by-year schedule & PNG export.
Gross Profit Calculator
Calculate gross profit, profit margin percentage, COGS, and markup rate. Free business margin tool with target price finder, industry benchmarks, and PNG export.
Lease Calculator
Estimate your exact monthly lease payments and interest rates for car, real estate, or equipment leases. Calculate total costs and effective APR instantly.
Loan Eligibility Checker
Find out exactly how much money you can safely borrow based on your current income, expenses, debt-to-income ratio, and credit score.
Markup Calculator
Set the perfect retail price to hit your target profit margins. Calculate markup percentage, selling price, and cost price instantly.
Mortgage Affordability Calculator
Find out exactly what price range of homes you can comfortably afford based on your income, current debts, and interest rates.
Profitability Index Calculator
Analyze the potential financial value, ROI, and risk associated with your next major business investment using our Profitability Index (PI) calculator.
ROI Calculator
Determine the exact percentage return on your financial investments, marketing campaigns, or stock trades with our free ROI Calculator.

Health - Fitness Tools

11 tools

Track your fitness goals with BMI, calorie, and body fat calculators.

Cardio Tracker
Log your running, cycling, and swimming sessions to accurately monitor your aerobic fitness progression with our free Cardio Tracker.
Daily Protein Intake Calculator
Figure out exactly how many grams of protein you need daily to build muscle, recover safely, and stay healthy with our free protein calculator.
Daily Vitamin Calculator
Ensure you are hitting your daily recommended dietary intake for all essential vitamins and minerals.
Diet Macro Tracker
Your ultimate tool to calculate and track macronutrients (protein, carbs, fats) for achieving your health, fitness, and dietary goals.
Fitness Goal Visualizer
Take control of your fitness journey! Plan, track, and visualize your fitness goals with interactive charts and progress indicators.
Heart Rate Calculator
Determine your target heart rate zone based on age and resting heart rate to maximize your exercise results and cardiovascular fitness.
Running Distance Calculator
Estimate your running distance easily based on pace and time. A perfect tool for runners of all levels to track progress and fitness goals.
Sleep Quality Tracker
Track your sleep duration, bedtime, wake time, and quality rating each night. Get instant sleep reports and science-based tips to improve your rest and recovery.
Steps to Calories Converter
Convert your daily steps into calories burned based on your weight and activity level. Track your fitness progress with our free calculator.
Waist-to-Hip Ratio Calculator
Calculate your Waist-to-Hip Ratio (WHR) instantly to assess your health risk and body fat distribution. Free, accurate, and easy to use.
Workout Split Planner
Create the perfect weekly workout split based on your fitness goals, experience level, and schedule. Maximize muscle growth and recovery.

Miscellaneous Tools

11 tools

Everyday utilities like QR code generators, password creators, and speed typing tests.

Couple Name Hashtag Generator
Create fun, memorable, and unique mashup hashtags for your wedding, engagement party, or relationship anniversary instantly.
Fuel Cost Calculator
Estimate exactly how much money you will spend on gas for your upcoming road trip based on current fuel prices, vehicle mileage, and trip distance.
HTML to XML Converter
Cleanly format and convert your standard HTML web markup into strict, properly structured XML data instantly in your browser.
Online Stopwatch
Time your gym workouts, study sessions, or track sprints with this highly precise online digital stopwatch featuring millisecond accuracy and lap tracking.
Password Strength Checker
Test your current password against known database leaks and advanced brute-force cracking algorithms to ensure maximum security.
QR Code Generator
Generate custom, high-resolution QR codes for your URLs, Wi-Fi networks, text, or digital business cards instantly.
Random Password Generator
Protect your digital identity by generating highly secure, crack-proof alphanumeric passphrases locally in your browser.
Speed Typing Test
Test your keyboard reflexes and discover your true Words Per Minute (WPM) typing speed and accuracy with our fun online challenge.
Timestamp Converter
Translate complex Unix epoch timestamps into readable human dates instantly, and vice versa, in your local timezone.
Universal Time Zone Converter
Instantly compare time zones globally to schedule the perfect time for international meetings, calls, or live streams.
Webcam Test Tool
Ensure your camera and microphone are working perfectly before joining a professional Zoom, Skype, or Google Meet video call.

Why professionals choose RaikTools

100% Client-Side Privacy

Your data never leaves your browser. Our tools process everything locally on your device for maximum security.

Blazing Fast Results

No waiting for servers. Get instant calculations, conversions, and generations the moment you type.

10,000+ developers trust our toolkit daily.

Frequently Asked Questions

Are these tools completely free?

Yes. Every single tool in our directory is 100% free to use for both personal and commercial projects without any paywalls or limitations.

What are the best free tools for web developers?

Our most popular developer tools include the JSON Formatter, Base64 Encoder, CSS Grid Generator, and the HTML Entity converter. You can find them all under the "Developer Tools" category above.

How do I suggest a new tool?

We are constantly adding new utilities to our directory! If you have a specific request, please head over to our contact page and send us your suggestion.