Correctly counts the number of r's in "strawberry"
Simple tools that just work.
Calculators, generators, converters, and other helpful tools that run locally in your browser.
Fast, private, and no sign-up required.
Bookmark this site for quick access
Calculators
Calculate percentages, age, discounts, tips, BMI and more.
25 tools →Personal Finance
Tax calculators, mortgage tools, budgeting, pensions, and personal finance essentials.
60 tools →Business Tools
Profit margins, ROI, VAT, break-even analysis, and tools for work.
21 tools →Automotive
Car finance calculators, EV comparisons, depreciation, and vehicle cost tools.
17 tools →Investing
Crypto and stock calculators, DCA simulators, portfolio tools, and options pricing.
21 tools →Health & Fitness
Calculate TDEE, calories, macros, body fat, and more for your health goals.
29 tools →Converters
Convert colors, units, timestamps, and data formats.
26 tools →Document Tools
Merge, split, and extract text from PDFs. Convert between CSV, Excel, and more.
10 tools →Developer Tools
Format JSON, encode Base64, decode URLs, test regex patterns and more.
56 tools →Education & Math
Graphing calculators, equation solvers, grade calculators, and study tools.
55 tools →Productivity
Notepads, time trackers, planners, checklists, and tools to stay organised.
18 tools →Tech & Computing
PSU calculators, monitor tools, storage converters, and utilities for PC enthusiasts.
22 tools →Construction & Home
Square footage, concrete, paint, tile, and home improvement calculators.
14 tools →AI & ML Tools
Token counters, VRAM calculators, prompt builders, and local AI tools.
8 tools →Image Tools
Resize, compress, convert, and pick colors from images.
22 tools →Text Tools
Count words, convert case, compare text, and manipulate strings.
19 tools →Generators
Generate passwords, QR codes, UUIDs, lorem ipsum text and more.
17 tools →Sports & Fitness
Pace calculators, calorie burn trackers, rep max calculators, and training tools.
10 tools →Food & Cooking
Recipe scalers, cooking converters, pizza calculators, and kitchen helpers.
6 tools →Physics
Force, energy, momentum, pressure, gas laws, and physics equation solvers.
12 tools →Social Media
Tweet mockups, chat generators, post templates, and social media tools.
6 tools →Calculators
Percentage Calculator
Find the percentage of any number, what percent X is of Y, or do reverse percentage calculations. Covers percentage increase and decrease.
Age Calculator
Find out how old you are in years, months, and days from your date of birth. See total days lived and next birthday countdown.
Tip Calculator
This tip calculator helps you work out gratuity and split the bill. Quick preset buttons for 10-25% tips with per-person splitting.
Scientific Calculator
Free online scientific calculator with trig functions, logarithms, exponents, memory, parentheses, and a history of recent calculations.
Fraction Calculator
This fraction calculator adds, subtracts, multiplies, and divides fractions or mixed numbers. Results are simplified with step-by-step solutions.
Date Difference Calculator
This date difference calculator finds the exact gap between two dates in years, months, days, weeks, hours, and minutes. Add or subtract days too.
Aspect Ratio Calculator
Calculate aspect ratios from width and height. Resize dimensions proportionally with common presets and a visual preview.
Average Calculator
Calculate mean, median, mode, range, and more for any number set. Includes weighted average mode and a visual distribution of your data.
Personal Finance
UK Income Tax Calculator
This UK income tax calculator estimates your PAYE tax, National Insurance, and take-home pay using 2026/27 tax bands and NI rates.
UK Stamp Duty Calculator
Work out how much stamp duty you will pay on a UK property. 2026/27 SDLT rates with first-time buyer relief and second home surcharge.
Bill Splitter
Split a restaurant bill evenly or unevenly with tax and tip. Track group expenses and work out who owes whom with minimum transactions.
Mortgage Calculator
Use this mortgage calculator to estimate monthly payments, total interest, and view an amortization schedule. Compare loan terms side by side.
US Mortgage Affordability Calculator
Find how much US mortgage you can afford based on income, debts, and down payment. Uses the 28/36 DTI rule with full monthly breakdown.
UK Mortgage Affordability Calculator
UK mortgage calculator showing how much you can borrow based on income, deposit, and lender rules. Income multiplier and stress test.
UK Mortgage Overpayment Calculator
See how much time and interest you save by overpaying your UK mortgage. Compare monthly overpayments or lump sum payments side by side.
Personal Loan Calculator
Use this loan calculator to find monthly payments, total interest, and a full amortization schedule. Supports different loan terms and compounding options.
Business Tools
Profit Margin Calculator
Calculate profit margin, markup percentage, and gross profit from cost and selling price with this profit margin calculator.
VAT Calculator
Use this VAT calculator to add or remove VAT from any amount. Includes preset rates for 12+ countries and multi-currency support.
ROI Calculator
Calculate return on investment (ROI), annualized returns, and total gain or loss with this ROI calculator. Compare multiple investments side by side.
Markup Calculator
Calculate markup, selling price, and profit margin from cost or price. See the relationship between markup and margin clearly.
Discount Calculator
Use this discount calculator to find sale prices, savings, and final cost after single or stacked discounts with optional tax.
Break-Even Calculator
Break-even calculator that shows how many units you need to sell to cover fixed costs, with contribution margin and profit scenarios.
Employee Cost Calculator
This employee cost calculator shows the true cost of hiring by adding employer taxes, pension, benefits, and overhead to gross salary.
Invoice Tax Calculator
Calculate invoice totals with line items, tax rates, and discounts. See subtotals, tax amounts, and the grand total in seconds.
Automotive
UK Car Finance Comparison (PCP, HP, PCH)
Compare PCP, HP, and PCH lease car finance options in the UK. See monthly payments, total cost, and interest for each to find the best deal.
US Car Finance Comparison (Loan, Lease, Cash)
Compare US auto loan, lease, and cash purchase costs side by side. See monthly payments, total cost, and interest to find the best deal for your next car.
Car Affordability Calculator
Work out how much car you can afford based on your salary using the 20/3/8 rule. Enter income, debts, and loan terms for a clear recommendation.
Car Total Cost of Ownership Calculator
See how much it costs to own a car per year. Covers depreciation, fuel, insurance, maintenance, financing, and tax over 1-20 years of ownership.
EV vs Gas Cost Calculator
Compare the total cost of owning an electric vehicle vs a fuel car over 1-20 years. Covers fuel, maintenance, insurance, depreciation, and breakeven.
Car Depreciation Calculator
See how much your car depreciates per year with real curves for economy, luxury, SUV, and EVs. Covers the first year drop, 3-year and 5-year values.
EV Charging Cost Calculator
Work out how much it costs to charge an EV at home per kWh. See cost per charge, monthly, and yearly totals based on battery size and electricity rate.
EV Charging Time Calculator
See how long it takes to charge an electric car at home or at a charging station. Covers Level 1, Level 2, and DC Fast across 18 popular EV models.
Investing
Stock Profit/Loss Calculator
Calculate stock profit or loss with commissions and tax estimates. Supports long and short positions with break-even price and ROI.
P/E (Price-to-Earnings) Ratio Calculator
Calculate the P/E ratio from stock price and EPS or market cap and net income. See what a good PE ratio looks like, plus earnings yield and PEG ratio.
Stock Average Calculator
Calculate your average cost per share after multiple stock purchases. See total shares, total invested, weighted average price, and unrealized P/L.
Market Cap Comparison Calculator
See what any crypto or stock would be worth with another asset's market cap. Market cap comparison for Bitcoin, Ethereum, Apple, and more.
Dollar Cost Averaging Calculator
Simulate dollar cost averaging with this DCA calculator. See your average cost basis, total units, and projected returns over any time period.
Compound Growth Rate (CAGR) Calculator
Calculate compound annual growth rate (CAGR) from start and end values, or project future value at a given growth rate. Includes a visual growth chart.
Dividend Yield Calculator
Calculate dividend yield and see what a good yield looks like for stocks, ETFs, REITs, and your portfolio. Annual and monthly income projections included.
Portfolio Allocation Calculator
Visualize your portfolio allocation with a pie chart and calculate rebalancing amounts to reach your target allocation.
Health & Fitness
BMI Calculator
Use this BMI calculator to find your Body Mass Index from height and weight. Supports metric and imperial units with a visual scale.
Calorie Calculator
Work out how many calories you should eat a day for weight loss, maintenance, or gain. Personalised daily intake based on age, gender, and activity.
TDEE (Daily Energy) Calculator
Use this TDEE calculator to estimate your Total Daily Energy Expenditure based on age, weight, height, and activity level.
Macro Calculator
This macro calculator figures out your daily protein, carbs, and fat targets based on body stats, activity level, and fitness goal.
Body Fat Calculator
Estimate your body fat percentage using the US Navy method with neck, waist, and hip measurements. See your category and lean body mass.
Sleep Cycle Calculator
Find out what time you should go to bed or wake up based on 90-minute sleep cycles. Wake up feeling refreshed, not groggy.
Blood Pressure Checker
Check if your blood pressure reading is good or high against AHA categories. Enter systolic and diastolic values to see your classification.
Water Intake Calculator
Find out how much water you should drink a day based on weight, activity level, and climate. Get a personalised daily hydration goal in oz or litres.
Converters
Temperature Converter
Convert Celsius to Fahrenheit and Kelvin instantly. Type any value and all three temperature units update together with the conversion formula shown.
Length Converter
This length converter handles metric and imperial units including mm, cm, m, km, inches, feet, yards, and miles. Instant results with swap support.
Weight Converter
Use this weight converter to switch between mg, g, kg, oz, lbs, stones, and metric tons instantly. Real-time results as you type.
Color Converter
Convert HEX, RGB, HSL, and CMYK instantly. Live colour swatch, shorthand hex expansion, and one-click copy for every format.
Time Zone Converter
Use this time zone converter to quickly convert times between any world time zones. Includes presets for common zones and DST handling.
CM to Inches Converter
Use this cm to inches converter for instant bidirectional conversion. Includes a reference table and the exact formula.
KG to LBS Converter
This kg to lbs converter handles kilograms to pounds and back instantly. Real-time bidirectional conversion with a reference table and formula.
KM to Miles Converter
This km to miles converter handles kilometers to miles and back instantly. Also shows nautical miles, the conversion formula, and a reference table.
Document Tools
Merge PDFs
Combine multiple PDF files into one document. Reorder pages, preview page counts, then download the merged PDF. Everything runs in your browser.
Split PDF
Split a PDF into separate files or extract specific pages. Choose page ranges or split every N pages, then download the results.
PDF to Text
Extract text from any PDF file directly in your browser. Copy the text to your clipboard or download it as a .txt file. No upload required.
CSV to Excel Converter
Convert CSV files to Excel (.xlsx) format instantly in your browser. Upload a file or paste CSV data, preview the table, and download the spreadsheet.
Excel to CSV Converter
Convert Excel spreadsheets (.xlsx, .xls) to CSV format in your browser. Select sheets, preview data, and download the CSV file instantly.
PDF Page Reorder
Reorder PDF pages, rotate them 90 degrees, or remove pages you do not need. Rearrange the document with up/down buttons, then save the result.
Add Watermark to PDF
Add a text watermark to any PDF like CONFIDENTIAL or DRAFT. Control font size, opacity, rotation, and colour, and apply to all or specific pages.
Text to PDF
Convert plain text to a PDF document. Choose font size, page size, and margins, then download the PDF. All processing happens in your browser.
Developer Tools
JSON Formatter & Validator
Paste your JSON into this JSON formatter to pretty-print, minify, and validate instantly. Customizable indentation, syntax highlighting, and error detection.
CSS Box Shadow Generator
Generate CSS box shadows visually with multiple layers, inset shadows, and live preview. Copy clean code with one click.
CSS Gradient Generator
Create CSS gradients visually with linear, radial, and conic types. Add color stops, adjust angles, and copy the generated code.
Base64 Encode/Decode
Encode text to Base64 or decode Base64 strings instantly. Supports UTF-8 with auto-detection, one-click copy, and file encoding.
Regex Tester
Online regex tester that highlights matches in real time. See capture groups, match details, and use common pattern presets.
Code to Image Converter
Turn code snippets into beautiful images with syntax highlighting, themes, and custom backgrounds. Export as PNG for sharing.
CSS Border Radius Generator
Create CSS border radius values with independent corner controls, preset shapes, and a live preview. Copy the code instantly.
Password Strength Analyzer
Analyze how strong your password is in real time. Checks length, character variety, common patterns, and estimates time to crack.
Education & Math
Graphing Calculator
Plot and visualize mathematical functions with this graphing calculator. Supports multiple functions, zoom, pan, and common math operations.
Pythagorean Theorem Calculator
Calculate the missing side of a right triangle using the Pythagorean theorem. Includes step-by-step solutions, diagrams, and a right triangle checker.
Triangle Calculator
Solve any triangle from 3 sides (SSS), 2 sides and an angle (SAS), or 2 angles and a side (ASA). Shows area, perimeter, heights, and a diagram.
Circle Calculator
Calculate circle radius, diameter, circumference, and area from any single measurement. Includes visual diagram and step-by-step formulas.
Class Grade Calculator
Calculate your weighted or unweighted grade average and see what you need on the final exam. Letter grade, percentage, and progress bar included.
Quadratic Formula Calculator
Solve any quadratic equation with this quadratic formula calculator. Shows roots, discriminant, vertex, step-by-step work, and a parabola graph.
2D Area Calculator
Calculate area and perimeter for circles, triangles, rectangles, trapezoids, parallelograms, and ellipses. Step-by-step formulas with every result.
3D Volume Calculator
Calculate volume and surface area for spheres, cylinders, cones, cubes, rectangular prisms, and pyramids. Step-by-step formulas included.
Productivity
Online Notepad
Free online notepad that auto-saves to your browser. Write notes, download as .txt, and switch to dark mode for comfortable writing.
Pomodoro Timer
Free online Pomodoro timer for 25 minute focus and study sessions. Customizable work and break intervals with circular progress and audio alerts.
Online Stopwatch
Free online stopwatch with lap times. Start, stop, and reset with a clean interface. Record splits and export lap data.
Countdown Timer
Free countdown timer with hours, minutes, and seconds. Quick presets, a visible progress bar, and an audio alarm when time runs out.
World Clock
Free world clock showing live time in multiple cities. Add any timezone, toggle 12h/24h format, and see day/night at a glance.
Time Off in Lieu (TOIL) Calculator
Calculate and track your time off in lieu (TOIL) balance. Log overtime hours, apply accrual rates, and see how much time off you've earned.
Typing Speed Test
Measure your typing speed in words per minute with live accuracy tracking, three difficulty levels, personal bests, and a full results breakdown.
Hours Calculator
Free hours calculator to add up work hours across multiple time entries. Deduct breaks, see decimal hours, and calculate total pay.
Tech & Computing
PSU Calculator
Estimate your PC's total power draw and find the right PSU wattage. Select your CPU, GPU, storage, and fans for a recommendation.
Monitor Size Calculator
Calculate your monitor's physical width, height, display area, and pixel density from diagonal size and aspect ratio.
Storage Unit Converter
Convert between digital storage units like KB, MB, GB, TB and their binary equivalents KiB, MiB, GiB, TiB.
FPS Calculator
Convert between FPS and frame time in milliseconds. Compare 30, 60, 120, 144, and 240 fps with a visual chart and reference table.
Bitrate Calculator
Calculate file size, bitrate, or duration from any two of the three. Includes presets for YouTube, Netflix, Spotify, and Blu-ray.
File Transfer Time Calculator
Estimate how long it takes to transfer a file over USB, WiFi, Ethernet, SSD, or any connection speed you enter.
Color Depth Calculator
Calculate total colors and uncompressed image sizes from bit depth settings. Choose bits per channel and color channels to see results instantly.
Display Resolution Comparison
Compare display resolutions side by side with a visual diagram. See pixel counts, aspect ratios, and size differences for HD, 4K, 8K, and ultrawide.
Construction & Home
Square Footage Calculator
Calculate square footage of a room, house, wall, or flooring area. Supports rectangle, circle, triangle, and L-shapes with totals.
Concrete Calculator
Work out how much concrete you need for slabs, fence posts, and shed bases. Get cubic yards, bags, and cost in seconds.
Paint Calculator
Work out how much paint you need to paint a room, bedroom, or one wall. Enter dimensions, pick coats, get gallons or litres.
Roofing Calculator
Estimate roofing materials for any project. Enter roof dimensions and pitch, choose your material type, and get squares, bundles, underlayment, and cost totals.
Tile Calculator
Work out how many tiles you need for a bathroom, kitchen, floor, or wall. Enter area and tile size, get boxes and cost.
BTU (Heating & Cooling) Calculator
Calculate the BTU needed to heat or cool a room. Factors in insulation, climate zone, sun exposure, and occupants. Shows AC unit size.
Gravel Calculator
Work out how much gravel you need for a driveway, path, or garden. Get tons, cubic yards, bags, and cost in one click.
Mulch & Topsoil Calculator
Work out how much mulch or topsoil you need for garden beds. Enter area and depth to get cubic yards, bags, and totals.
AI & ML Tools
AI Token Counter
Count tokens for GPT-5.5, Claude 4.7, Gemini 3.1, Llama, Grok and DeepSeek. See estimated API input costs and compare token counts side by side.
AI Pricing Calculator
Compare AI API pricing across GPT-5.5, Claude 4.7, Gemini 3, Llama, Grok and more. Per-request, daily, and monthly cost breakdowns.
AI Model Size / VRAM Calculator
Work out how much VRAM you need to run an LLM locally. Covers popular models, GGUF quantisation levels, and GPU memory requirements.
Prompt Template Builder
Build reusable AI prompt templates with variable placeholders. Fill in values and render a ready-to-copy prompt for any AI model.
Local AI Chatbot
Chat with an AI model running entirely in your browser using WebGPU. No server, no API keys, completely private and free.
AI Text Classifier
Run sentiment analysis on text right in your browser. Get positive/negative classification and confidence scores with a local DistilBERT model.
AI Image Classifier
Classify images with AI directly in your browser. Drop a photo and get top predictions with confidence scores using MobileNetV2, no server needed.
GGUF / Safetensors Model File Inspector
Inspect GGUF and Safetensors model files in your browser. See architecture, quantization, tensor details, and parameter counts without uploading anything.
Image Tools
Image Compressor
This image compressor reduces file sizes by adjusting quality. See savings instantly with before/after preview and download optimized images.
Image Resizer
Resize images by pixels, KB, cm, or MB. Lock aspect ratio, preview results, and download as PNG, JPEG, or WebP - no upload needed.
Image Cropper
Crop images online with draggable handles and aspect ratio presets. Supports 1:1, 4:5, 16:9, 3:2 and free crop. Download instantly.
PNG to JPG Converter
Free PNG to JPG converter with adjustable quality and transparency handling. Batch convert multiple files, all in your browser.
JPG to PNG Converter
This JPG to PNG converter transforms your JPEG images to PNG format in the browser. Batch support, before/after preview, and instant download.
SVG to PNG Converter
Convert SVG files to PNG images in your browser. Choose scale, custom dimensions, and background color. No upload required.
Image Filters
Apply filters to images in your browser. Adjust brightness, contrast, saturation, blur, sepia, grayscale, hue rotation, and invert with live preview.
Color Picker
Pick any color and get its HEX, RGB, and HSL values. Adjust brightness, save a color history, and copy values with one click.
Text Tools
Word Counter
Count words, characters, sentences, and paragraphs in real time. See estimated reading time and speaking time for any text.
Character Counter
Count characters in your text with and without spaces. Set an optional limit to track usage against platform maximums.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE with one click.
Find and Replace
Find and replace text with support for case-sensitive, whole-word, and regex matching. See match counts instantly.
Text Diff Checker
Use this text diff tool to compare two blocks of text side by side and highlight every difference between versions.
Remove Duplicate Lines
Remove duplicate lines from your text instantly. Options for case sensitivity and whitespace trimming with one-click copy.
Word Frequency Counter
This word frequency counter shows which words appear most in your text, with counts, percentages, and filtering options.
Readability Score Calculator
Use this readability score checker to get Flesch Reading Ease and Flesch-Kincaid Grade Level scores. See if your writing matches your audience.
Generators
Password Generator
Free password generator that creates strong, random passwords with customizable length and character options. Runs in your browser.
QR Code Generator
Create QR codes from any URL or text. Free QR code generator with instant PNG download for print and digital use. No expiration.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text by paragraph, word, or character count. One-click copy for designs, layouts, and Figma mockups.
UUID Generator
This UUID generator creates random v4 identifiers instantly. Generate one or bulk-create up to 100 UUIDs with one-click copy.
Random Number Generator
Free random number generator with custom range, count, and duplicate control. Uses cryptographic randomness in your browser.
Hash Generator
This hash generator creates MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly. All computed in your browser.
Cron Expression Builder
Build and validate cron expressions visually. See the human-readable schedule and next execution times for any crontab instantly.
.htaccess Generator
Generate htaccess rules for 301 redirects, rewrite URL, HTTPS, caching, and WordPress. Copy or download the file instantly.
Sports & Fitness
Running Pace Calculator
Calculate running pace, time, or distance. See split times for 5K, 10K, half marathon, and marathon distances.
Calories Burned Calculator
Work out how many calories you burned walking, running, cycling, or on the treadmill. Uses MET values for 20+ activities and your weight.
One Rep Max Calculator
Estimate your one rep max using Epley, Brzycki, Lombardi, and O'Conner formulas. Includes a training percentage chart.
Target Heart Rate Calculator
Calculate your heart rate training zones using the Karvonen formula. See recovery, fat burn, cardio, peak, and max zones.
Race Time Predictor
Predict your finish times for any race distance using the Riegel formula. Enter a known result and get predictions for 5K, 10K, half marathon, and marathon.
Exercise Hydration Calculator
Work out how much water to drink before, during, and after your workout. Personalised to your weight, exercise intensity, and temperature.
Food & Cooking
Recipe Scaler
Scale any recipe up or down by adjusting servings. Smart unit conversion keeps amounts readable, no more 0.125 cups.
Cooking Unit Converter
Convert cooking measurements fast. How many grams in a cup? Switch between cups, tablespoons, ml, grams, ounces and temperature units.
Pizza Size Calculator
Work out how much pizza per person for any party. Compare sizes by area and price per square inch to find the best deal.
Party Planner
Work out how much food for a party of any size. Get food, drink and supply quantities plus a shopping checklist for 20, 50 or 100 guests.
Baking Substitutions Guide
Find baking substitutes for eggs, butter, milk, flour, sugar, and more. Filter by vegan, allergy-friendly, or healthier options with exact amounts.
Physics
Force Calculator
Calculate force, mass, or acceleration using Newton's Second Law (F = ma). Also find weight from mass with F = mg. Supports N, kN, lbf, and g-force units.
Velocity Calculator
Calculate velocity, distance, or time using v = d/t. Also solve v = v₀ + at for kinematics. Convert between m/s, km/h, mph, knots, and ft/s.
Acceleration Calculator
Calculate acceleration from velocity change and time, or from force and mass (a = F/m). Supports m/s², g-force, and ft/s² with common accelerations reference.
Kinetic Energy Calculator
Calculate kinetic energy, mass, or velocity using KE = 1/2 mv². Convert between J, kJ, kWh, and calories. Includes real-world examples.
Momentum Calculator
Calculate momentum, mass, or velocity using p = mv. Includes impulse (J = F times delta-t) and elastic/inelastic collision solvers with step-by-step solutions.
Pressure Calculator
Calculate pressure, force, or area using P = F/A. Includes hydrostatic pressure (P = pgh). Convert between Pa, atm, psi, bar, mmHg, and torr.
Density Calculator
Calculate density, mass, or volume using d = m/V. Supports kg/m³, g/cm³, g/mL, and lb/ft³ with a reference table of common material densities.
Ideal Gas Law Calculator
Solve PV = nRT for pressure, volume, moles, or temperature. Multiple units with automatic Kelvin conversion and step-by-step solutions.
Social Media
Tweet Mockup Generator
Create realistic tweet screenshot mockups with custom text, profile, stats, and dark/light themes. Export as PNG.
iMessage Chat Generator
Create fake iMessage-style conversation screenshots with blue and gray bubbles, delivery status, and PNG export.
WhatsApp Chat Generator
Create fake WhatsApp chat mockups with green bubbles, double ticks, online status, and PNG export. Free online mockup maker.
Instagram Post Mockup Generator
Create fake Instagram post mockups with custom username, caption, likes, comments, and image. Export as PNG for free.
Open Graph Preview
Preview how your Open Graph tags look on Twitter, Facebook, LinkedIn, and Discord. Generate and copy OG meta tags.
Engagement Rate Calculator
Calculate your social media engagement rate for Instagram, TikTok, YouTube, X, Facebook, and LinkedIn. Compare against platform benchmarks.