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TechsGenius

AI-Powered Digital Marketing

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50+ free tools — no signup needed

Free calculators & AI tools
for smarter decisions

Every tool is free and works instantly in your browser. No account required. Financial calculators, AI writing tools, data visualisation — all in one place.

Finance calculators AI writing tools Data visualisation

30+

Finance calculators

15+

AI writing tools

12

Data viz tools

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PERSONAL FINANCE

Financial calculators

Make better money decisions. Every calculator is free, instant, and built by financial experts.

Home & Mortgage

Mortgage Calculator

Monthly payments, total interest & amortisation schedule

Home Affordability

How much home can you afford based on income & debts?

Mortgage Refinance

Calculate savings from refinancing your existing mortgage

True cost comparison of renting vs buying over time

Extra Mortgage Payment

How much faster can you pay off your mortgage?

Estimate all closing costs on your home purchase

Debt & Credit

When will you be debt free? How much interest do you save?

Debt Consolidation

Can one loan replace all your debts at a lower rate?

Credit Card Payoff

Time and total cost to pay off your credit card balance

Credit Utilization

Your utilization ratio and its impact on your credit score

Student Loan Forgiveness

Estimate your forgiveness amount under IDR plans

Monthly EMI for any loan amount, rate and tenure

Savings & Retirement

Your complete financial picture: assets minus liabilities

Retirement Savings

How much to save monthly for a comfortable retirement

Roth vs Traditional IRA

Which retirement account saves you more tax?

How big does your safety net need to be?

College 529 Savings

Monthly savings target to hit your college funding goal

Life Insurance Needs

Coverage amount to protect your family's financial future

Income & Budget

Exact pay after taxes, deductions and contributions

Monthly Budget Planner

Track income, expenses and savings goals in one place

Tax Refund Estimator

Estimate your refund or amount owed this tax season

Side Hustle Profit

Net profit from your side hustle after expenses and taxes

Return on investment, profit and payback period

Full trip budget: flights, hotels, food and activities

💇 More Hair Tools

Advanced Hair Tools

10 more specialist tools — from CGM checker to bleach calculator and heat damage repair.

7-question quiz to identify your exact type 1A–4C with full care guide

AI Scalp Health Analyser

Describe symptoms → get likely conditions, treatments & product guide

Protective Style Planner

AI recommends best protective styles with install, moisture & take-down guide

Hair Trim Schedule Planner

12-month trim calendar based on goal, damage level & heat styling habits

Heat Damage Repair Guide

Assess damage level & get a personalised recovery plan with timeline

Curly Girl Method Checker

Paste ingredients → instant CGM compatibility check (sulphates, silicones, alcohols)

Hair Vitamins & Nutrition Guide

Personalised vitamin & food recommendations based on your hair concerns

Bleach & Lift Calculator

How many bleach sessions to reach your goal level — with session-by-session plan

Hair Build-Up Detector

Detect product, mineral or silicone build-up with a targeted clarifying plan

Hair Texture Transformation

Want waves, curls or sleek straight? AI guide with methods, products & risks

🧬 Body Health Vol. 3

Nutrition, Hormones & Cognitive Health Tools

10 more cutting-edge tools covering vitamins, gut health, hormones, cholesterol, chronotype, eye health and more.

Vitamin Deficiency Checker

Symptom-based analysis finds your top 4 deficiencies with food + supplement guide

Chronotype Optimizer

Lion, Bear or Wolf? Personalised daily schedule for peak focus, exercise & sleep

Gut Health Assessment

Gut score + IBS/SIBO/dysbiosis check + 30-day microbiome restoration protocol

Immune System Assessor

7-pillar immune quiz + personalised 4-week boosting protocol + evidence-based supplements

Cholesterol & Heart Risk

Enter LDL/HDL/triglycerides → 10-year heart risk + graded results + action plan

Brain Fog Optimizer

Cognitive score + fog trigger analysis + daily brain routine + nootropic foods

Skin Tone & Sun Guide

Fitzpatrick type quiz + burn time by UV index + SPF guide + vitamin D protocol

Hormonal Health Checker

Identify top 3 hormone imbalances + natural fixes + blood tests to request

Ideal Weight Calculator

5 clinical formulas + frame size from wrist measurement + goal timeline

Vision & Eye Strain Assessment

Eye health score + 5 exercises + 20-20-20 schedule + blue light management

🫀 More Body Tools

Advanced Body Health Tools

10 more specialist tools — heart rate zones, blood pressure, stress assessment, lung health, cycle tracking and more.

Heart Rate Zone Calculator

5 personalised HR zones + VO2 max estimate + goal-specific training guide

Blood Pressure Interpreter

Instant BP reading analysis + pulse pressure + MAP + lifestyle action plan

Calorie Burn Calculator

30+ activities ranked by MET value — calories & fat burned per session

Stress Level Assessment

PSS-10 validated quiz + AI 4-week plan + cortisol-lowering techniques

Flexibility Assessment

6-area self-test + AI daily 15-min stretching routine + 6-week plan

Body Temperature Guide

Instant temperature interpretation + fever stages + colour-coded gauge

Lung Capacity Calculator

FVC & FEV1 estimates + AI breathing exercises + respiratory health plan

Menstrual Cycle Tracker

Current phase + ovulation window + cycle-syncing nutrition & exercise guide

Joint Pain & Mobility

Identify joint conditions + AI mobility exercises + joint nutrition guide

Body Detox & Cleanse Planner

Science-backed organ-targeted cleanse + daily schedule + day-by-day timeline

🫀 Body Health Tools

Human Body Health & Wellness Tools

10 science-backed tools for body composition, nutrition, sleep, posture, fitness recovery and more.

BMI & Body Composition

BMI, body fat %, lean mass, TDEE & calorie targets in one tool

Daily Water Intake Calculator

Exact hydration target with personalised hourly drinking schedule

Body Shape Analyser

Identify your body shape + fitness, nutrition & style recommendations

Macro & Calorie Calculator

TDEE + precise protein, carb & fat targets for any fitness goal

AI Sleep Quality Optimiser

Sleep score + ideal bedtime + 7-day plan + wind-down routine

Posture Assessment & Fix

AI physio diagnoses posture issues + corrective exercises + ergonomics

Biological Age Calculator

10-question quiz reveals how old your body really is + longevity tips

Muscle Recovery Planner

Recovery times per muscle + overtraining check + supplement guide

Body Skin Care Routine

Personalised routine for KP, stretch marks, body acne, cellulite & more

Intermittent Fasting Calculator

Best IF protocol for your goal + eating window schedule + meal timing

💰 Financial Tools Vol. 4

Tax, Consolidation & Advanced Calculators

Crypto tax, debt consolidation, 401k optimizer, renovation ROI, startup equity and more.

Debt Consolidation Calculator

Multi-debt consolidation verdict — interest saved, break-even & payment change

Pay Raise Impact Calculator

Real take-home gain from any raise + job offer comparison + negotiation tips

True Car Ownership Cost

5-year total cost of 2 cars side by side — loan, fuel, insurance, depreciation

401k vs Roth IRA Optimizer

After-tax value at retirement + employer match + optimal contribution strategy

VAT & Sales Tax Calculator

Add/remove VAT for 40+ countries & US states — click any country to apply rate

Mortgage Refinance Calculator

Break-even month + interest saved + net benefit — should you refinance?

Home Renovation ROI

15 renovation projects ranked by ROI — kitchen, bathroom, roof, garage & more

Startup Equity Dilution

Model Seed → Series A/B/C dilution + founder exit value at target valuation

Mortgage Points Calculator

0–3 points comparison table — break-even, net savings & optimal points to buy

Crypto Tax Calculator

FIFO vs LIFO vs HIFO cost basis — find which method minimises your tax bill

💰 Financial Tools Vol. 3

Investment, Property & Business Tools

DCA, lease vs buy, rental ROI, business valuation, wealth ranking and more.

DCA vs Lump Sum Calculator

Compare investing strategies across 4 market scenarios — steady, crash, rally, volatile

Lease vs Buy Car Calculator

True 5-year cost including depreciation, opportunity cost & break-even analysis

College Savings Calculator

529 plan planner — monthly savings needed + cost-of-waiting penalty chart

Dividend DRIP Calculator

See how reinvesting dividends compounds wealth — annual passive income projection

Financial Runway Calculator

How long will savings last? Model sabbatical, startup, career change or early retirement

Rental Property ROI

Cash flow, cap rate, cash-on-cash return + 10-year equity growth projection

Life Insurance Calculator

DIME method + Human Life Value + 10× rule — premium estimate included

Side Hustle Calculator

Multi-hustle comparison — true net hourly after SE tax, expenses & income tax

Business Valuation Calculator

5 methods: Revenue Multiple, EBITDA, SDE, DCF & Asset-Based with valuation range

Wealth Percentile Calculator

Income & net worth rank for US/UK/Canada/Australia/Global with milestone chart

💰 More Financial Tools

Advanced Financial Calculators

FIRE calculator, rent vs buy, investment fees, freelancer tax, stock portfolio, profit margins and more.

FIRE Calculator

FI number + years to FIRE + Lean/Regular/Fat/Barista FIRE comparison chart

Rent vs Buy Calculator

Break-even year + 30-year wealth comparison including opportunity cost

Investment Fee Impact

Compare 3 funds side by side — see exactly how expense ratios destroy wealth

Freelancer Tax Calculator

SE tax, quarterly payments, deductions & true net hourly rate for freelancers

Multi-Goal Savings Planner

Track multiple goals simultaneously — house, car, holiday — with exact dates

DTI Ratio Calculator

Front-end & back-end DTI for mortgage qualification + max loan affordability

Stock Portfolio Calculator

Multi-stock tracker — CAGR, gains/losses, weighted return & allocation chart

Profit Margin Analyser

Gross, operating & net margin with full P&L + industry benchmark comparison

Cost of Living Comparison

25 cities worldwide — equivalent salary needed + category-by-category breakdown

Mortgage Affordability

Max home price by DTI + full PITI breakdown + PMI warning + 3 buying scenarios

💰 Financial Tools

Financial Calculator Tools

10 powerful financial calculators — investments, loans, retirement, budgeting, debt payoff and more.

Compound Interest Calculator

Year-by-year growth chart with monthly contributions, inflation adjustment & compounding frequency

Loan EMI & Amortisation

Monthly EMI + full year-by-year schedule + extra payment savings calculator

Retirement Savings Planner

Nest egg needed vs projected + on-track % + accumulation & withdrawal trajectory

Budget Planner (50/30/20)

Live budget tracker showing needs, wants & savings vs your 50/30/20 targets

Net Worth Tracker

Full assets vs liabilities statement + health score + debt ratio + action plan

Salary Take-Home Calculator

US federal tax + state + SS + Medicare + 401k — exact monthly take-home

Credit Card Payoff Calculator

Multi-card payoff — Avalanche vs Snowball, debt-free date & interest saved

Emergency Fund Calculator

Target by risk profile + funded % tracker + HYSA interest + building strategy

Break-Even Analysis

Units, revenue & profit zone chart — contribution margin & current P&L

Currency & Purchasing Power

Inflation erosion over decades + 25-currency converter + real value chart

💇 Hair Tools

Hair Care & Styling Tools

10 free tools for hair professionals, salon owners, colourists and hair enthusiasts.

AI Hairstyle Recommender

5 personalised hairstyles based on face shape, hair type & lifestyle

Hair Dye Mixing Calculator

Exact dye & developer quantities for any ratio and hair length

Hair Colour Ideas Generator

AI colour ideas based on skin tone, eye colour & commitment level

Hair Care Routine Generator

Personalised wash day, daily & weekly routine with product guide

Hair Porosity Test

7-question quiz to find low, medium or high porosity + care guide

Salon Pricing Calculator

Set fair prices factoring in overheads, time & profit margin

Hair Loss Scale & Tracker

Norwood (men) & Ludwig (women) scale with treatment guide

Hair Ingredient Checker

Analyse product ingredients — good, neutral, caution & avoid

Hair Growth Calculator

Month-by-month timeline to reach your goal length

Hair Toner Colour Selector

Colour theory guide to neutralise brassiness & unwanted tones

👗 Fashion Design

Fashion Designer Tools

10 free tools built for fashion designers, stylists, brands and creators.

Clothing Size Converter

US, UK, EU, Asia size charts for women, men, kids & bras

Fabric Yardage Calculator

Calculate fabric needed for any garment with print matching

Fashion Cost Sheet

Garment costing with wholesale & retail pricing strategy

AI Outfit Idea Generator

Complete outfit ideas for any occasion, season and aesthetic

Fashion Colour Palette

Seasonal & trend-forward colour palettes for collections

Fashion Trend Analyser

AI trend forecasts for any market, season & category

Fashion Caption Generator

5 Instagram & TikTok captions with hashtags for fashion posts

Mood Board Generator

Complete collection briefs with colour story & fabric direction

Body Measurement & Size Finder

Enter measurements to find size, body shape & styling tips

Fashion Brand Name Generator

10 unique brand names with meaning, domain & story starter

🚀 Advanced Writing Tools

More AI Content Tools

YouTube scripts, cold emails, press releases, ad copy and more — all AI-powered and free.

YouTube Script Generator

Full video scripts with hook, sections, B-roll cues & CTA

Cold Email Generator

3 personalised outreach variants — short, medium & follow-up

Press Release Writer

AP Style press releases for launches, awards & milestones

Content Idea Generator

30 ideas for blog, social, video & podcast in any niche

Slogan & Tagline Generator

20 brand slogans across bold, witty, emotional & benefit styles

AI Ad Copy Generator

Google, Facebook, Instagram & LinkedIn ad copy with char limits

About Page Writer

Compelling About Us page that tells your story & converts

Review Response Generator

Professional replies to Google, Yelp & Trustpilot reviews

LinkedIn Summary Generator

3 LinkedIn About section variations to attract jobs & clients

Newsletter Writer

Full email newsletters with subject, preview & body copy

✍️ Content Writing

AI Content Writing Tools

10 AI-powered tools for bloggers, marketers, copywriters and content creators.

AI Blog Post Generator

Full SEO-optimised blog posts from a keyword in seconds

Meta Description Generator

5 SEO meta descriptions under 160 chars with SERP preview

AI Paraphraser & Rewriter

Rewrite text in 5 modes: Standard, Formal, Simple, Creative

Email Subject Line Generator

10 high open-rate subject lines with curiosity & urgency angles

Social Media Post Generator

Platform-optimised posts for LinkedIn, Instagram, Twitter & more

AI FAQ Generator

Generate FAQs with HTML & JSON-LD schema markup included

Product Description Writer

Short, long & bullet formats for Shopify, Amazon, Etsy

AI Headline Generator

20 click-worthy headlines using proven copywriting formulas

AI Bio Generator

Professional bios for LinkedIn, Twitter, Instagram & websites

AIDA Copywriter

Sales copy using Attention, Interest, Desire, Action formula

🔥 New Tools

10 Trending Tools

The tools people search for every day — all free, no account needed.

QR Code Generator

Create QR codes for URLs, WiFi, contacts instantly

Password Strength Checker

Check password strength, entropy and crack time

Word Count & Readability

Word count, reading time, Flesch score, keywords

BMI & Health Calculator

BMI, ideal weight, daily calories, body fat estimate

Pomodoro Focus Timer

25/5 focus timer with session tracking and streaks

Currency Converter

Convert 30+ currencies with live exchange rates

AI Hashtag Generator

AI-generated hashtags for Instagram, TikTok & more

Invoice Generator

Create professional invoices and download as PDF

Color Palette Generator

Generate complementary, triadic and analogous palettes

AI Resume Builder

AI-written resume with PDF download in minutes

✍️ AI Writing Tools

AI writing & content tools

AI-powered tools to create, improve and optimise your content. Free to use, no account required.

AI Content Editor

Write, rewrite and improve content with GPT-4o

Interior Designer Pro

Upload a room photo and get an AI-designed interior

Home Renovation Agent

AI renovation planner with cost estimates and timelines

Site Audit Agent

6-agent AI audit — SEO, speed, security, revenue and more

Content Improver

Analyse and improve any page for SEO and conversions

AI Quiz Builder

Build and share interactive quizzes with AI assistance

📊 Data & Analytics

Data visualisation tools

Turn raw numbers into clear, shareable charts and reports instantly in your browser.

Data Analytics Dashboard

Upload CSV or paste data — instant charts and insights

Break-Even Calculator

Visualise your break-even point with interactive charts

Calculate and visualise return on investment instantly

Net Worth Tracker

Track assets vs liabilities with visual breakdown

Retirement Projector

Project your retirement savings growth over time

Plan your monthly budget with visual pie charts

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BATCH 16 — ADVANCED FINANCIAL TOOLS

Bond YTM Calculator

Yield to maturity, current yield, duration & premium/discount — fixed income analysis

Annuity Income Calculator

Monthly retirement income from lump sum — immediate vs deferred, payout rates

College Degree ROI Calculator

Lifetime earnings vs total debt cost — is your degree worth it? Break-even year

Employer Hiring Cost Calculator

True cost to employ someone — salary × multiplier, cost per productive hour

Tax Loss Harvesting Calculator

Offset capital gains with losses — exact tax savings, IRS netting rules, carryforward

Fix & Flip Profit Calculator

ARV, renovation, carrying costs → net profit, ROI, 70% Rule check for house flippers

Lifetime Deal vs Subscription

Break-even month, 5yr savings, opportunity cost — when LTD beats monthly billing

Travel Currency Budget Calculator

Daily budget in local currency, exchange method comparison, true trip cost

W-4 Withholding Optimizer

Stop overpaying IRS — find ideal withholding for $0 refund / $0 owed at filing

Startup Burn Rate Calculator

Gross & net burn, months runway, default alive check, fundraising target with buffer