Meal Calorie Tracker - Food Calorie Counter & Meal Planner
Track and calculate total meal calories instantly. Add multiple food items with calories and get total calorie count with breakdown. Free online meal calorie tracker and food counter.
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BAC Calculator - Blood Alcohol Content Calculator
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Baking Conversion Calculator - Cup to Gram Converter
Convert baking measurements between cups, tablespoons, teaspoons, and grams. Essential for following recipes from different countries.
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Encode or decode Base64 data instantly. Free online Base64 converter for developers with URL-safe and line-wrap options.
Bill Split Calculator - Tip & Tip Splitter
Split restaurant bills instantly with tip calculation. Free online bill splitter for groups with customizable tip percentages and per-person breakdown.
Bitrate Calculator - Video/Audio Bitrate & File Size Calculator
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Blood Alcohol Concentration (BAC) Calculator
Calculate your estimated blood alcohol concentration based on drinks, weight, and time. Know your limits and stay safe.
Blood Pressure Calculator - BP Reader
Check your blood pressure reading instantly. Free online BP calculator with health categories and personalized advice.
BMI Calculator - Body Mass Index
Calculate your Body Mass Index (BMI) instantly. Free online BMI calculator with health categories and weight status.
BMI Percentile Calculator for Kids & Teens - Childhood BMI Calculator
Calculate your child's BMI percentile instantly. Free online pediatric BMI calculator for ages 2-19 with CDC growth charts and health categories.
BMR Calculator - Basal Metabolic Rate
Calculate your Basal Metabolic Rate (BMR) and daily calorie needs instantly. Free online BMR calculator with TDEE and macronutrient breakdown.
Body Fat Calculator - Body Fat Percentage
Calculate your body fat percentage instantly using the US Navy method. Free online body fat calculator with lean mass and health category analysis.
BMI Category Calculator - Body Mass Index Classification
Calculate your BMI and get detailed body mass index classification with health recommendations and weight status categories.
Body Water Calculator - Total Body Water Percentage
Calculate your Total Body Water (TBW) and hydration percentage instantly. Free online body water calculator with daily intake recommendations.
Border Radius Generator
Visually create CSS border-radius values with preview. Generate smooth rounded corners for buttons, cards, and UI elements.
Breakeven Calculator - Business Profitability Calculator
Calculate your business breakeven point instantly. Free online breakeven calculator to find how many units you need to sell to cover all costs.
Breathing Timer - Box Breathing & 4-7-8 Breathing Exercise Guide
Free online breathing exercise timer for stress relief, meditation, and relaxation. Features box breathing, 4-7-8 technique, and custom intervals.
Body Surface Area Calculator - BSA Calculator
Calculate your Body Surface Area (BSA) instantly using multiple formulas (Mosteller, DuBois, Haycock, Gehann, Boyd). Free online BSA calculator for medical professionals.
Budget Calculator - Personal Finance Planner
Plan and track your personal budget. Free online budget planner with expense tracking and savings goals.
Caloric Deficit/Surplus Calculator - Weight Goal Calculator
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Caloric Needs Calculator for Athletes - Sports Nutrition Calculator
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Calculate daily calorie needs for seniors aged 60+. Accounts for age-related metabolic changes.
Calorie Burn Calculator - Exercise Calorie Tracker
Calculate calories burned during exercise instantly. Free online calorie burn calculator for running, walking, cycling, swimming and 10+ activities.
Calorie Calculator - TDEE & Macros
Calculate your daily calorie needs, TDEE (Total Daily Energy Expenditure), and macronutrient breakdown. Free online calorie calculator for fitness and weight management.
Calorie Deficit Calculator - Weight Loss Calculator
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Calorie Density Calculator - Food Calorie per Gram Calculator
Calculate calorie density of foods to help with weight management and healthy eating. Free online food calorie per gram calculator.
Calorie Goal Calculator
Calculate your daily calorie needs for weight loss, maintenance, or gain based on your goals
Calorie & Macro Calculator
Calculate daily calorie needs and optimal macronutrient splits for weight loss, maintenance, or muscle gain.
Calorie Needs Calculator for Weight Goal
Calculate daily calorie needs for weight loss, maintenance, or gain based on your body metrics and activity level
Calorie Surplus Calculator - Bulking & Muscle Gain Calculator
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Carbon Footprint Calculator - CO2 Emissions Calculator
Calculate your carbon footprint instantly. Free online CO2 emissions calculator to measure your environmental impact from transportation, energy, and lifestyle.
Case Converter - Text Case Changer
Convert text between UPPER, lower, Title, Camel, snake, kebab and more cases instantly. Free online text case converter for developers and writers.
Cat BMI Calculator - Feline Body Condition Score
Calculate your cat's Body Condition Score (BCS) and determine if they're underweight, ideal, or overweight. Free online cat BMI calculator for pet owners.
Cat Calorie Calculator
Free online cat calorie calculator tool.
Coffee Brewing Ratio Calculator
Calculate the perfect coffee-to-water ratio for your brew. Get precise measurements for pour-over, French press, and more.
Color Contrast Checker - WCAG Accessibility Checker
Check color contrast ratios for WCAG accessibility compliance. Free online tool for designers and developers.
Color Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.
Compound Interest Calculator - Investment Growth Calculator
Calculate compound interest growth on investments with monthly contributions. Free online compound interest calculator with detailed projections.
Concrete Calculator - Concrete Volume & Quantity Calculator
Calculate concrete volume and quantity needed for slabs, footings, columns, and walls. Free online concrete calculator for construction projects.
Countdown Timer - Days Until Date Calculator
Count down to any event with this free online countdown timer. Calculate days, hours, minutes, and seconds until your target date. Perfect for birthdays, holidays, and special events.
Creatine Calculator - Daily Creatine Dosage Calculator
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Crypto Profit Calculator - Investment Return Calculator
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CSS Box Shadow Generator - Shadow Generator
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CSS Gradient Generator - Linear & Radial Gradient Maker
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Currency Converter - Exchange Rate Calculator
Convert currency between USD, EUR, KRW, JPY, GBP and more. Free online exchange rate calculator with real-time rates.
Date Calculator - Days Between Dates
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Days Until Birthday Calculator - Birthday Countdown
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Dice Roller - Online Random Dice Roller for DND & Board Games
Roll virtual dice online with d4, d6, d8, d10, d12, d20, and d100. Perfect for D&D, DND, board games, and RPGs. Free online dice simulator.
Discount Calculator - Sale Price Calculator
Calculate discounts and final prices instantly. Free online discount calculator with percentage off, amount off, and multiple discount options.
Dog Age Calculator - Convert Dog Years to Human Years
Calculate your dog's age in human years instantly. Free online dog age converter with breed size considerations and health insights.
Dog Calorie Calculator
Free online dog calorie calculator tool.
EKG Heart Rate Zone Calculator - Training Zone Calculator
Calculate your maximum heart rate and training zones using the Karvonen formula. Free online heart rate zone calculator for optimal workout intensity.
Electricity Cost Calculator - Energy Bill Calculator
Calculate your appliance electricity cost instantly. Free online energy cost calculator to estimate daily, monthly, and yearly power consumption expenses.
Exercise Calorie Equivalent Calculator
Convert calories burned into equivalent exercise time. See how long you need to run, walk, swim, or cycle to burn off specific calories.
Fiber Intake Calculator - Daily Fiber Needs Calculator
Calculate your daily fiber needs instantly. Free online fiber calculator with personalized recommendations based on age, gender, and diet type.
Font Size Converter - CSS Unit Converter (px/em/rem/pt)
Convert font sizes between CSS units instantly - px, em, rem, pt, vh, vw. Free online font size converter for web developers and designers.
Fraction Calculator - Add, Subtract, Multiply, Divide Fractions
Perform fraction calculations instantly - add, subtract, multiply, divide, and simplify fractions. Free online fraction calculator with step-by-step results.
Gas Mileage Calculator - Fuel Economy & Trip Cost Calculator
Calculate gas mileage, fuel economy, and trip costs instantly. Free online fuel calculator for drivers to estimate fuel costs and efficiency.
GPA Calculator - Grade Point Average
Calculate your GPA (Grade Point Average) instantly. Free online GPA calculator with letter grade and percentage options for students.
Gram to Cup Converter - Cooking Measurement Converter
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Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) instantly. Free online hash generator for developers and security professionals.
Heart Rate Reserve Calculator - HRR & Training Zone Calculator
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Convert annual salary to hourly wage and vice versa. Free online pay calculator with weekly, biweekly, and monthly breakdowns.
Ideal Weight Calculator - Healthy Weight Range
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Inflation Calculator - Purchasing Power Calculator
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Intermittent Fasting Calculator - Fasting Schedule Planner
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Interval Timer - HIIT Workout Timer & Tabata Trainer
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JSON Formatter & Validator
Format, validate, and minify JSON instantly. Free online JSON tool for developers with syntax highlighting and error detection.
Keto Calculator - Ketogenic Diet Macro Calculator
Calculate your ideal keto macros instantly. Free online ketogenic diet calculator with carb, protein, and fat breakdown for ketosis.
Keyword Density Checker - SEO Keyword Analysis Tool
Analyze keyword density and frequency in your text. Get SEO insights with word count, character count, and keyword percentage calculations. Free online keyword analyzer.
Lean Body Mass Calculator - LBM & Body Composition Calculator
Calculate your Lean Body Mass (LBM) instantly. Free online LBM calculator to determine muscle mass, body fat percentage, and body composition using scientific formulas.
Leap Year Calculator - Check if Year is Leap Year
Leap Year Calculator - Check if Year is Leap Year
Loan & Mortgage Calculator
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Macro Nutrient Splitter - Diet Macro Planner
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Macro Split Calculator - Diet Macro Percentage Calculator
Calculate ideal macro splits for your diet goals. Customize protein, carbs, and fat percentages for cutting, bulking, or maintenance.
Macro to Calories Converter - Nutrition Gram to Calorie Calculator
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Macronutrient Calculator
Calculate your daily macronutrient needs for weight loss, maintenance, or muscle gain based on your body stats and activity level.
Macronutrient Split Calculator
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Markdown to HTML Converter
Markdown to HTML Converter
Markdown to HTML Converter
Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.
Meal Prep Calculator
Meal Prep Calculator - Free online calculator tool.
Meal Timing Calculator - Optimal Eating Schedule Planner
Meal Timing Calculator - Optimal Eating Schedule Planner
Meeting Time Finder - Best Time Zone Meeting Planner
Find the best meeting time across multiple time zones instantly. Free online meeting planner to schedule global meetings with overlapping business hours visualization.
Memory Unit Converter - Digital Storage Converter
Convert between digital storage units instantly - bits, bytes, KB, MB, GB, TB, PB and more. Free online memory converter for developers and IT professionals.
Metabolic Age Calculator - Metabolism Age Calculator
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Net Worth Calculator - Personal Wealth Calculator
Calculate your net worth instantly by entering assets and liabilities. Track your financial progress and wealth building journey. Free online net worth calculator.
One Rep Max Calculator - 1RM Calculator
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Overtime Pay Calculator - Extra Hours Pay Calculator
Overtime Pay Calculator - Extra Hours Pay Calculator
Ovulation Calculator - Fertile Window & Ovulation Date
Calculate your fertile window and ovulation date instantly. Free online ovulation calculator to help plan pregnancy with accurate fertile days prediction.
Pace Calculator - Running Pace Calculator
Calculate running pace instantly. Free online pace calculator for runners to compute pace per km/mile, predict race times, and plan training.
Paint Calculator - Wall Area & Paint Quantity Calculator
Calculate paint quantity and wall area instantly. Free online paint calculator for rooms, walls, and surfaces with coverage estimation and cost analysis.
Strong Password Generator
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Paycheck Calculator - Net Pay & Payroll Calculator
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Percentage Calculator
Calculate percentages instantly. Free online percentage calculator for discounts, tips, taxes, scores, and more.
Period Calculator - Menstrual Cycle Tracker & Period Predictor
Track your menstrual cycle and predict your next period date. Free online period calculator and ovulation tracker for women's health.
Pomodoro Timer - Focus Timer & Productivity Tracker
Free online Pomodoro timer to boost focus and productivity. Work in 25-minute intervals with customizable breaks. Track your sessions and stay motivated.
Power Consumption Calculator - Electricity Usage & Energy Cost Calculator
Calculate your device power consumption and electricity costs. Estimate daily, monthly, and yearly energy usage for any appliance. Free online power calculator.
Pre/Post Workout Meal Calculator - Pre & Post Workout Nutrition Planner
Calculate optimal pre-workout and post-workout meal macros (protein, carbs, fat). Get personalized nutrition timing recommendations for your workout goals.
Pregnancy Due Date Calculator - Baby Due Date Calculator
Calculate your baby's due date instantly from your last period date. Free online pregnancy calculator with trimester info, milestones, and pregnancy week tracker.
Price per Unit Calculator - Unit Price Comparison Tool
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Protein Calculator - Daily Protein Needs
Calculate your daily protein needs instantly based on activity level and fitness goals. Free online protein calculator with macro breakdown.
QR Code Generator
Generate custom QR codes instantly for URLs, text, WiFi, emails, and more. Free online QR code creator with download option.
Random Decision Maker - Yes/No, Choice Picker, Coin Flip, Dice Roll
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Random Number Generator - RNG Picker
Generate random numbers instantly with customizable range, quantity, and options. Free online RNG generator for lottery, giveaways, and random selection.
Reading Time Calculator - Word Count & Reading Speed Estimator
Reading Time Calculator - Word Count & Reading Speed Estimator
Recovery Time Calculator - Workout Recovery & Rest Calculator
Calculate optimal recovery time after workouts. Free online recovery calculator for athletes and fitness enthusiasts.
Restaurant Tip Calculator
Calculate restaurant tips easily with preset percentages and bill splitting. Find the perfect tip amount for your dining experience.
Retirement Calculator - Retirement Planning Calculator
Plan your retirement with our free online retirement calculator. Calculate how much you need to save, when you can retire, and your retirement income needs.
Roman Numeral Converter - Convert Numbers to Roman Numerals
Convert numbers to Roman numerals and vice versa instantly. Free online Roman numeral converter with support for numbers 1-3999.
Safe Listening Time Calculator - Noise Exposure Calculator
Calculate safe listening time based on noise level. OSHA-compliant noise exposure calculator to protect your hearing from damage.
Sales Tax Calculator - Tax Rate Calculator
Calculate sales tax and final price instantly. Free online sales tax calculator with US state tax rates and custom tax options.
Savings Goal Calculator - Reach Your Financial Target
Calculate how long it takes to reach your savings goal. Plan monthly deposits and track progress toward your financial target. Free online savings planner.
Screen Time Balance Calculator - Digital Wellness Tracker
Calculate your ideal screen time balance and digital wellness score. Track device usage and find healthy screen time limits for better mental health.
Sleep Calculator - Sleep Cycle Calculator
Calculate optimal sleep and wake times based on 90-minute sleep cycles. Free online sleep calculator for better rest and energy.
Solar Panel Calculator - Solar Energy Production Calculator
Calculate your solar panel energy production instantly. Free online solar calculator to estimate daily, monthly, and yearly power generation with cost savings.
Solar Panel ROI Calculator - Solar Investment Return Calculator
Calculate solar panel ROI, payback period, and lifetime savings. Free online solar investment calculator with tax credit and electricity rate analysis.
Standard Deviation Calculator
Calculate standard deviation, variance, mean, and range for any dataset. Free online statistics calculator.
Step Calculator - Steps to Miles/Calories Converter
Convert steps to distance, calories burned, and time. Track your daily walking fitness goals with this free online step counter calculator.
Stopwatch - Online Timer with Lap Function
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Stress Level Calculator - Stress Test & Assessment
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Sunrise Sunset Calculator - Golden Hour Timer
Free online sunrise and sunset calculator. Get exact sunrise/sunset times, golden hour, blue hour, and civil twilight for any location and date. Perfect for photographers and outdoor enthusiasts.
Surface Area Calculator - 3D Shape Surface Area
Calculate surface area of spheres, cylinders, cones, cubes, and rectangular prisms instantly. Free online 3D geometry calculator for students and professionals.
Swimming Pace Calculator
Calculate your swimming pace per 100m, 50m, or 25m. Track your pool swimming speed and performance.
Table Tip Calculator
Split restaurant bills and calculate tips for each person with tax and multiple tip percentages
Target Heart Rate Calculator - Training Zone Calculator
Calculate your target heart rate zone for exercise instantly. Free online heart rate calculator using Karvonen method with fitness level adjustments.
TDEE Calculator - Total Daily Energy Expenditure
Calculate your Total Daily Energy Expenditure (TDEE) to know how many calories you burn daily based on your activity level.
Test Grade Calculator - Score Percentage & Letter Grade Calculator
Calculate test grades, scores, and letter grades instantly. Free online grade calculator with GPA conversion. Find what grade you got on any test.
Text Encryption Tool - Secure Text Encoder
Encrypt and decrypt text instantly. Free online text encryption tool with multiple cipher options.
Text Formatter & Cleaner - Text Processing Tool
Format and clean text instantly. Remove extra spaces, line breaks, and special characters. Convert case, sort lines, and more. Free online text formatter.
Text Readability Optimizer
Analyze and improve your text readability with Flesch-Kincaid, Gunning Fog, and SMOG scores
Text Readability Score Calculator - Flesch-Kincaid Analyzer
Calculate text readability scores instantly. Free online readability analyzer with Flesch-Kincaid, Gunning Fog, and more metrics.
Text Statistics Analyzer - Word Count, Sentence & Character Analysis
Analyze text with detailed statistics: word count, character count, sentences, paragraphs, reading time, average word length, and more. Free online text analyzer tool.
Tile Calculator - Flooring & Tiling Calculator
Calculate tiles needed for any room. Free online tile calculator with waste percentage and cost estimation.
Time Calculator - Duration & Time Difference Calculator
Calculate time duration, add or subtract hours/minutes/seconds instantly. Free online time difference calculator for scheduling and planning.
Time Card Calculator
Calculate total hours worked, overtime, and pay from your time card entries. Track daily hours, breaks, and weekly totals.
Time Difference Calculator
Calculate the exact time difference between two dates and times. Get results in days, hours, minutes, and seconds.
Time Duration Calculator - Time Difference Calculator
Calculate time duration between two times instantly. Free online time difference calculator with add/subtract time functions.
Time Zone Calculator
Convert time between different time zones and calculate time differences. Find the best meeting time across multiple time zones.
Time Zone Converter - World Clock
Convert time between time zones instantly. Free online world clock and time zone converter for global meetings and travel planning.
Business Tip Calculator with Tax
Calculate total bill including tax and tip for business dining. Split the bill among multiple people easily.
Tip Calculator - Restaurant Gratuity Calculator
Calculate restaurant tips and split bills instantly. Free online tip calculator with customizable tip percentages and bill splitting.
Tip Percentage Calculator - Find Tip Rate & Percentage
Calculate tip percentage from bill and total amounts. Find what percentage tip you left or need to add. Free online tip rate calculator.
Tip Splitter Calculator
Split a restaurant bill with tip among multiple people. Calculate per-person cost including tip percentage.
Unit Converter
Convert units instantly - length, weight, temperature, volume, area, speed, and more. Free online unit converter for everyday use.
UUID/GUID Generator & Validator
Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.
UV Index Calculator - Sun Exposure & Sunscreen Calculator
Calculate UV Index and safe sun exposure time. Get sunscreen SPF recommendations and skin protection guidelines based on your location and skin type. Free online UV calculator.
Visceral Fat Calculator - Body Fat Distribution Analyzer
Calculate your visceral fat level instantly. Free online internal body fat calculator to assess health risks and get personalized recommendations.
VO2 Max Calculator - Cardiovascular Fitness & Oxygen Consumption Calculator
Calculate your VO2 Max instantly. Free online VO2 max calculator to assess cardiovascular fitness, aerobic capacity, and endurance level based on heart rate and exercise data.
Waist-to-Hip Ratio Calculator - WHR Health Risk Assessment
Calculate your Waist-to-Hip Ratio (WHR) instantly. Free online WHR calculator to assess health risks, body shape, and cardiovascular risk based on WHO guidelines.
Water Intake Calculator - Daily Hydration Calculator
Calculate your daily water intake needs based on weight, activity level, and conditions. Free online hydration calculator with personalized recommendations.
Plant Watering Schedule Calculator - Indoor Plant Care Planner
Create personalized watering schedules for your houseplants. Track watering frequency based on plant type, pot size, and season.
Weight Goal Calculator - Time to Goal & Daily Calorie Target
Calculate how long it takes to reach your goal weight and your daily calorie target. Set weight loss or gain goals with personalized calorie recommendations. Free online weight goal planner.
Weight Loss Rate Calculator - Time to Goal Calculator
Calculate your weight loss timeline instantly. Free online weight loss calculator to estimate weeks/months to reach your goal weight with healthy loss rates.
Word & Character Counter - Text Analyzer
Count words, characters, paragraphs, and sentences in real-time. Perfect for writers, students, and content creators.
Work Hours Calculator - Time Card & Pay Calculator
Calculate work hours, overtime, and pay instantly. Free online time card calculator with break deductions and hourly rate calculations.
Workout Rest Timer - Gym Rest Timer & Interval Timer
Free online workout rest timer for gym workouts. Set rest intervals between sets with customizable timers, sound alerts, and vibration. Perfect for strength training and HIIT.
Workout Split Calculator - Workout Routine Planner
Get personalized workout split recommendations based on your goals, experience level, and available days. Free online workout routine planner with Full Body, Upper/Lower, PPL, and more.