Interactive Tool Catalog & Financial Engines
Explore 61+ privacy-first calculators, developer utilities, and sports intel engines.
NSE Nifty Options Profit & STT Tax Calculator
Simulate Call/Put payoff, Greeks (Delta, Theta, Vega), and calculate exact net profit after post-Budget 2026 STT transaction taxes and brokerage in INR (₹).
NSE BankNifty Options Margin & Expiry Calculator
Calculate BankNifty option buying & selling margins, lot sizes, breakevens, and revised statutory 0.1% STT taxes for intraday and weekly expiry trading on NSE.
Mutual Fund 12.5% LTCG & SIP Tax Calculator
Calculate exact post-tax SIP corpus under India's new Union Budget rules: 12.5% LTCG (>₹1.25L exemption) and 20% STCG with ₹ in-hand net wealth projection.
Grain Crop Breakeven, Yield & Revenue Calculator
Model farm enterprise budgets for Corn, Soybeans, and Wheat. Calculate exact breakeven bushels/acre, breakeven cash market price, and net profit per acre.
Kisan Crop Yield, Mandi MSP & Fertilizer Calculator
Bilingual (Hindi/English) Indian agriculture calculator for crop yield, Mandi MSP revenue, and DAP/Urea dosing per Acre, Bigha, and Guntha.
IRS Section 179 'G-Wagon' Heavy Vehicle Tax Calculator
Calculate first-year Section 179 expense caps, 100% bonus depreciation, and exact cash tax savings for business luxury SUVs (G-Wagon, Escalade, Cybertruck).
Ferrari & Exotic Supercar Total Cost of Ownership Calculator
5-year depreciation curves, balloon financing, Montana LLC zero-tax registration, exotic insurance, and maintenance for Ferrari 296, GT3 RS, and Huracán.
Forex Pip Value & Gold (XAU/USD) Lot Size Calculator
Calculate exact pip values, standard/mini/micro lot sizes, required margin, and position risk for EUR/USD, GBP/USD, USD/JPY, and 100 oz Gold contracts.
S-Corp Reasonable Salary vs. Distribution Tax Calculator
Determine IRS-defensible officer compensation using multi-factor salary scoring. Calculate exact self-employment and FICA payroll tax savings.
Physician Doctor Loan vs. Conventional Mortgage Calculator
Compare 0% to 5% down zero-PMI doctor mortgage programs against conventional 20% down financing for MDs, DOs, residents, and dentists with student debt.
Crypto DCA vs. Lump Sum Backtest Simulator
Backtest recurring Dollar Cost Averaging against lump sum investments for Bitcoin, Ethereum, and Solana with historical drawdown and volatility modeling.
Mortgage Amortization Schedule & Early Payoff Calculator
Generate complete 30-year monthly amortization tables. Model extra monthly principal payments, bi-weekly schedules, and interest saved.
Compound Interest & Investment Growth Calculator
Visualize daily, monthly, and annual compound interest accumulation with recurring monthly contributions and dividend reinvestment (DRIP).
Home Affordability & Max Purchase Budget Calculator
Calculate maximum home buying power based on 28/36 Debt-to-Income (DTI) rules, annual income, monthly debts, and interest rates.
AI Token Counter & Prompt Cost Estimator
Estimate exact token counts and API request pricing across Gemini 1.5 Pro, Claude 3.5 Sonnet, and GPT-4o with context caching discounts.
LLM API Pricing & Context Window Comparator
Real-time cost comparison across 25+ frontier and open-weight AI models. Compare per-million input/output token pricing and latency.
B2B Enterprise Local RAG Evaluator & Vector Sizer
Model vector database sizing, chunking strategies, chunk retrieval accuracy, and token latency for enterprise Retrieval-Augmented Generation.
B2B Security & Compliance Readiness Audit
Evaluate organizational readiness for SOC 2 Type II, ISO 27001, HIPAA, and GDPR compliance with automated gap identification.
B2B Multimodal Audio Claims Processing Pipeline
Model speech-to-text throughput, diarization latency, audio chunking, and transcript redaction costs for insurance and customer service pipelines.
Client-Side JWT Token Debugger & Secret Inspector
Decode and verify JSON Web Tokens 100% locally in your browser. Inspect header, payload claims, expiration timestamps, and signature validity.
Interactive Regex Pattern Tester & Natural Language Explainer
Test regular expressions with real-time syntax highlighting, group capture visualization, and plain-English breakdown of regex logic.
cURL to Python, Node.js, Go & Rust Code Converter
Convert raw cURL commands into clean, production-ready HTTP client code for Python (Requests/Httpx), JavaScript (Fetch/Axios), Go, and Rust.
Cron Expression Builder & Natural Schedule Generator
Build and validate standard 5-part and 6-part cron expressions with human-readable schedule translations and upcoming execution timestamps.
Batch Image to WebP Lossless Compression Tool
Convert PNG, JPEG, and AVIF images to modern high-compression WebP format directly in your browser with zero server uploads.
Word Counter, Reading Time & Readability Analyzer
Real-time word, character, sentence, and paragraph counts with speaking/reading time estimation and Flesch-Kincaid readability scoring.
Daily Calorie Deficit & Target Weight Projector
Calculate your Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and forecast target weight loss milestones based on daily caloric deficit.
DIY Home Renovation & Material Cost Estimator
Estimate square footage material requirements, drywall, paint, flooring, fasteners, and budget contingency for home improvement projects.
Fed Rate Cut Mortgage Refinance & Break-Even Calculator
Model exact monthly payment drops, closing cost break-even payback timelines, and wealth acceleration when Federal Reserve rate cuts lower mortgage rates.
UK Income Tax & PAYE Take-Home Calculator
Calculate net take-home salary after HMRC Income Tax, Class 1 National Insurance, pension salary sacrifice, Student Loan Plan 2/5, and the 60% £100k tax trap.
UK Stocks & Shares ISA vs. SIPP Pension Calculator
Compare 20-year net wealth between a £20k tax-free ISA and a £60k SIPP pension with 20%/40%/45% upfront HMRC tax relief and 25% tax-free lump sum.
India New vs. Old Tax Regime & In-Hand Salary Calculator
Compare New Tax Regime slabs (₹75k Standard Deduction + Section 87A ₹7L zero tax) vs. Old Regime (80C, 80D, HRA, Home Loan). Calculate monthly in-hand take-home pay.
Enterprise Cloud SLA Downtime & Egress Cost Modeler
Compare AWS, GCP, Azure, and Cloudflare costs. Model data egress bandwidth charges and quantify the revenue loss of Three 9s vs Four 9s downtime.
49" Ultrawide vs. Dual 4K Developer Monitor Calculator
Compare 49-inch Super Ultrawide (108 PPI) vs Dual 27-inch 4K (163 PPI). Calculate coding text sharpness, macOS fractional scaling GPU overhead, and total pixels.
Direct-to-Cell Satellite & Digital Nomad Tax Engine
Calculate digital nomad statutory tax residency exposure, 183-day state residency severance rules, FEIE $126k exclusions, and Starlink Direct-to-Cell roaming costs.
Home Battery & EV V2G Grid Arbitrage Profit Calculator
Calculate monthly profits from dynamic electricity tariff arbitrage using Tesla Powerwall 3 and EV bi-directional discharge. Model peak sellback rates vs battery cycle degradation.
GLP-1 10-Year Healthcare & Grocery Savings Modeler
Calculate the true 10-year net financial return of GLP-1 medications. Model out-of-pocket drug costs vs -28% monthly grocery savings and long-term medical prevention.
EV vs. Hybrid vs. Gas 5-Year True Cost Modeler
Compare 5-year ownership costs between Tesla Model Y, Toyota RAV4 Hybrid, and Gas SUVs. Model home charging vs gas, -30% winter range loss, insurance hikes, and resale depreciation.
Spatial AR Glasses vs. Physical Multi-Monitor Workstation Modeler
Compare the true cost, coding text sharpness (PPD), and nomadic productivity of replacing a physical 3-monitor desk with lightweight AR smart glasses.
Flagship Smartphone 3-Year TCO & Carrier Trap Comparator
Compare 3-year ownership costs across iPhone 17 Pro, Pixel 11 Pro, and Galaxy S27 Ultra. Model 36-month carrier bill credits vs unlocked MVNO savings and 3-year resale decay.
MacBook Pro vs. Windows Developer Laptop ROI & Resale Modeler
Evaluate developer velocity return between Apple Silicon and Windows workstations. Model compile acceleration, battery workday value, and 58% vs 28% resale retention.
AI API Token Cost & Cloud GPU Self-Hosting Breakeven Calculator
Calculate monthly token bills across GPT-4o, Claude 3.5 Sonnet, Gemini, and DeepSeek. Model prompt caching discounts and find the exact daily volume to self-host on H100s.
Agentic AI Swarm vs. Human FTE Labor Cost & Compute ROI Modeler
Model the true financial impact of deploying autonomous AI agent swarms vs hiring full-time employees. Factor in reasoning compute, tool call APIs, and human-in-the-loop review.
Mega Backdoor Roth 401(k) Contribution & Conversion Calculator
Calculate your maximum after-tax 401(k) contribution room under the IRS § 415(c) limit and project lifetime tax-free Roth growth and in-plan distribution rules.
QSBS Section 1202 100% Capital Gains Tax Exemption Calculator
Calculate your federal tax savings under IRC Section 1202 Qualified Small Business Stock (QSBS) rules: model $10M vs 10x basis limits, state tax treatment, and Section 1045 rollovers.
Core-AI Technical & Small Business Consulting
Book senior advisory for 0ms website speed overhauls, 90-day Google SEO ranking roadmaps, multi-channel social management (X, LinkedIn, Reddit, FB), and custom business contracts.
T14 Law School LSAT & GPA Admissions Predictor
Match your LSAT score and undergraduate GPA against all Top 14 Law Schools to calculate your admission odds, splitter/reverse-splitter status, and estimated merit scholarship funding.
Startup ISO vs. NSO Stock Options & AMT Tax Shield Simulator
Calculate your Alternative Minimum Tax (AMT) liability when exercising Incentive Stock Options (ISOs) vs Non-Qualified Stock Options (NSOs) and model Form 8801 AMT credits.
Dependent Care FSA vs. Childcare Tax Credit Calculator
Determine whether you save more money using a $5,000 Dependent Care FSA (pre-tax payroll deduction) or claiming the Child and Dependent Care Tax Credit on IRS Form 2441.
NFL Fantasy Start/Sit & Trade Optimizer
Model Floor vs. Ceiling start/sit choices, calculate fair trade values with VORP, and size waiver wire FAAB bids for ESPN, Yahoo & Sleeper.
What to Watch Tonight: Best IMDb Rated TV Shows
Find your next binge watch in 5 seconds. Filter 120+ top-rated IMDb masterpieces across Netflix, HBO Max, Apple TV+, and Prime with exact runtimes.
Cloud APIM Cost & Architecture Comparator
Compare API Management costs across AWS API Gateway, Apigee, Azure APIM, Kong, and MuleSoft. Learn why an APIM is the essential security and traffic governor for company APIs.
Cloud Infrastructure Pricing & TCO Comparator
Compare compute, NVIDIA H100 GPUs, storage, egress bandwidth fees, and 1yr/3yr reserved instance savings across AWS, Google Cloud, Azure, OCI, and IBM.
Enterprise SaaS & Software Deals Comparator
Compare enterprise volume discounts and list prices across LLM APIs, Microsoft 365 vs Google Workspace, Salesforce vs HubSpot, and Snowflake vs Databricks.
Severance Package Negotiation & Net Payoff Calculator
Calculate the true net after-tax payout of your severance package: model 22% supplemental tax withholding, COBRA healthcare subsidies, and state unemployment benefit offset.
EV Lease Tax Credit Loophole (IRS § 45W vs § 30D) Calculator
Calculate how leasing an electric vehicle unlocks the full $7,500 tax credit by bypassing the $150k income cap and North American assembly rules under IRC § 45W.
Mortgage Recast vs Refinance vs Extra Principal Calculator
Compare paying a lump sum to recast your mortgage ($250 fee, keeps low existing interest rate) vs refinancing ($6,000+ closing costs) or making extra principal payments.
RSU Tax Withholding Trap & Underpayment Penalty Calculator
Calculate your true tax liability on vesting RSUs: model the IRS statutory 22% vs 37% supplemental withholding gap and avoid surprise Form 2210 underpayment penalties.
HDHP (HSA) vs. PPO Calculator
Compare High Deductible HDHP + HSA vs Traditional Low Deductible PPO plans: model payroll premium savings, employer HSA seeds, and 3-tier medical spending stress tests.
Mortgage Extra Principal vs. SPY
Should you pay an extra $100/mo into your mortgage or invest it in the S&P 500? Calculate 30-year net wealth differences, interest saved, and milestone payoff years.
Lower Auto & Home Insurance
Calculate how to slash auto and home premiums by $600 to $1,800/yr: model deductible arbitrage ($500 vs $1,000 vs $2,500), bundling, and telematics.
Finished Basement Cost & Tax
Calculate the true cost of finishing a basement: contractor quotes, egress windows, municipal permits, permanent assessor tax hikes, and resale ROI.
Car Property Tax & True Cost
Calculate county vehicle personal property taxes (VA, NC, CT, MO, MA), 5-year depreciation schedules, and compare Brand New vs 3-Year CPO savings.
Work Commute vs. Transit
Calculate true monthly commute costs from City A to City B. Compare driving gas/EV, parking, and tolls against public transit trains, buses, and hybrid WFH savings.
Childcare vs. Stay-at-Home
Calculate the true financial trade-off of staying home: measure take-home pay, lost 401(k) compounding, and career re-entry wage penalties.
529 College Savings & Tax
Calculate college funding trajectory, measure annual state tax refund deductions across 50 states, and model SECURE 2.0 Roth rollovers.
Startup ISO Options & AMT
Calculate your cash out-of-pocket tax bill when exercising startup ISOs, measure the 409A AMT spread, and avoid illiquid paper-gain tax disasters.
401(k) Loan vs. PMI
Decide whether borrowing from your 401(k) to reach 20% down actually saves money compared to keeping retirement invested and paying temporary PMI.
Rent Hike vs. Moving Cost
Determine if moving to a cheaper apartment actually saves money once moving trucks, broker commissions, and security deposit friction are counted.
Mortgage Discount Points
Calculate whether paying 1 to 2 discount points upfront at closing actually saves money before you move or refinance into lower market rates.
Foreign FX & Airport Fees
Calculate hidden fees stolen by airport currency kiosks (14% spread), Dynamic Currency Conversion (DCC), and 3% card transaction fees on international trips.
Refinance True Breakeven
Expose the 30-year amortization reset trap, calculate extra years and payments added to your mortgage, and find true net interest breakeven.
Bill Negotiation & Call Scripts
Lower internet, cell, insurance, gym, and hospital bills by $300–$1,200/yr with custom word-for-word retention department negotiation scripts.
Costco Bulk vs. Food Waste
Calculate true usable unit prices after refrigerator spoilage to determine if bulk warehouse packs actually save money or trigger waste loss.
Streaming Subscription Cycling
Audit monthly subscription creep across Netflix, Spotify, Prime, and AI tools. Model rotational cycling to save $600–$1,400/yr with zero missed shows.
Solar Home Equity & Resale
Calculate home appraisal value added by owned solar ($4/Watt LBNL model), buyer power savings, and evaluate leased solar transfer vs. buyout at closing.
Tax-Loss Harvesting & Wash-Sale
Calculate capital gains tax offsets, $3,000 ordinary income write-offs, loss carryforwards, and safe ETF proxy rotations under IRS Wash Sale rules.
Section 179 Heavy SUV Tax Shield
Calculate IRS Section 179 expensing, 60% bonus depreciation, and first-year cash tax refunds for business vehicles exceeding 6,000 lbs GVWR.
TOU Electricity & Battery Arbitrage
Calculate monthly power bill savings from off-peak EV charging, appliance load shifting (4 PM-9 PM peak), and home battery energy arbitrage.
Airline Baggage Fee & Weight
Calculate checked luggage fees, 50-lb overweight penalty tiers ($100–$200), carry-on rules, and 62" linear dimensions across 10 major airlines.
Feels-Like, Heat Index & Wind Chill
Model apparent temperature, human sweat evaporation thresholds, frostbite exposure timelines, and dew point using official NOAA Steadman equations.
Travel Jet Lag & Sleep Optimizer
Calculate exact circadian phase shifts, light seeking vs. sunglasses avoidance hours, caffeine cutoffs, and melatonin timing to eliminate jet lag.
Road Trip Gas & Passenger Split
Calculate exact road trip gas costs, EV charging stops, highway aerodynamic drag, tolls, and generate instant fair Venmo/Zelle payment requests.
401(k) Employer Match & True-Up
Calculate exact paycheck deductions to capture 100% of your company match, check vesting schedules, true-up rules, and 30-year compounding.
Backdoor Roth & Pro-Rata Modeler
Calculate taxable conversion ratios under the IRS Form 8606 Pro-Rata Rule, track non-deductible basis, and model 401(k) reverse rollover shelters.
HSA Triple-Tax & Stealth IRA Modeler
Calculate upfront income and FICA 7.65% tax deductions, 30-year tax-free compounding, and the stealth IRA receipt shoebox strategy.
Public Pension WEP & GPO Modeler
Calculate Social Security benefit reductions under the Windfall Elimination Provision (WEP) and Government Pension Offset (GPO) for teachers, police, and civil servants.
Cash Balance Pension Plan Modeler
Calculate maximum age-weighted defined benefit deductions ($150k-$350k+), 401(k) combos, and ERISA asset protections for doctors, partners, and high earners.
Stock Options ISO & AMT Modeler
Calculate Alternative Minimum Tax (AMT) on ISO exercises, Section 83(b) election timing, Form 8801 credits, and long-term capital gains at exit.
Age Pension & Social Security Optimizer
Model early vs. delayed claiming ages (62 vs. 67 vs. 70), find your lifetime breakeven crossover, and compare pension annuities against lump-sum payouts.
Health Insurance Deductible & OOPM Estimator
Model health insurance deductibles, coinsurance (80/20 split), and out-of-pocket maximum caps with in-browser patient advocacy AI.
COBOL to Python & Java Modernizer
Decompile procedural COBOL routines into clean Python 3.12, Java 21 Spring Boot, TypeScript, and explain business rules with in-browser AI.
EBCDIC & COMP-3 Packed Decoder
Translate raw IBM-037/1047 EBCDIC hex streams to ASCII, unpack COMP-3 signed decimals, and inspect zoned decimal overpunches.
JCL Validator & COND Flowchart
Validate z/OS JCL syntax rules, simulate COND return code step execution branching (RC 0/4/8/12), and explain DISP/SPACE parameters.
COBOL Copybook to JSON & TypeScript
Decompile COBOL copybooks into JSON Schemas, TypeScript types, Python Pydantic models, SQL DDL, and inspect memory byte offsets.
S&P 500 (SPY) Backtester & Future Gains
Backtest historical S&P 500 DCA/lump-sum returns with dividend reinvestment (DRIP) and simulate future compounding nest egg milestones.
Home Improvement Adjusted Tax Basis
Track renovations and additions to step up your adjusted cost basis, eliminating thousands in capital gains tax beyond the IRS $500k exclusion.
AI Small Business Content & Social Engine
Generate client proposals, LinkedIn posts, Instagram captions, Google Business updates, and email campaigns in seconds for free.
AI College Admissions & SAT Matcher
Match your GPA, SAT/ACT, intended major, in-state residency, and extracurricular spike across 55+ top universities to calculate your exact acceptance odds.
AI Medical School Chancing Engine
Match your MCAT, Science BCPM GPA, clinical hours, research pubs, and in-state TMDSAS/WWAMI quotas against 65+ US MD and DO programs.
College GPA & Target Honors Planner
Calculate semester and 4-year cumulative GPA, isolate In-Major GPA, model retake grade forgiveness, and simulate target grades needed for Latin Honors.
AI Resume Bullet & ATS Optimizer
Converts raw job experience into high-impact, quantified STAR-method resume bullets loaded with matching ATS keywords.
AI System Design & RFC Drafter
Drafts production-grade Engineering RFCs with Redis caching topologies, Kafka partition keys, data schemas, and CAP trade-offs.
AI Code Security Auditor
Scans Python, Node.js, and SQL code for SQL injections, ReDoS attacks, hardcoded secrets, and outputs secure remediation diffs.
AI Inspection Repair & Credit Drafter
Converts home inspection defects (HVAC, roof, plumbing) into contractor cost estimates and drafts a formal Seller Credit Request Letter.
AI Landlord Lease Notice Drafter
Generates state-statute compliant 3-day, 5-day, and 30-day Cure-or-Quit notices for unpaid rent, pet breaches, and non-renewals.
AI Scope of Work (SOW) Generator
Drafts airtight freelance contracts with milestone billing schedules, revision limits, out-of-scope boundaries, and kill-fees.
AI Overdue Invoice Recovery Drafter
Generates 3 escalating tiers of high-converting payment collection emails (Polite Check-in → Late Fee Notice → Pre-Legal Demand).
Freelance Hourly Rate & Retainer Calculator
Calculate true billable hourly rates, factor in 15.3% self-employment taxes, 60% billable utilization buffers, and value-based retainers.
AI GDPR & CCPA Privacy Policy Drafter
Generates audit-ready Privacy Policies tailored for Google AdSense compliance, Stripe payment processing, and cookie tracking mandates.
AI Jira Ticket & BDD Spec Drafter
Generates formatted Jira stories, bug reports with Gherkin acceptance criteria, edge-case failure scenarios, and Playwright tests.
AI Medical Bill Decoder & Dispute Drafter
Decodes 5-digit CPT hospital codes against fair Medicare fee baselines and generates cash settlement dispute letters.
AI Contract Clause Risk Scanner
Scans freelance and SaaS clauses for unlimited indemnity, broad non-competes, and IP traps with safe redline counter-proposals.
AI SQL Query Explainer & Indexer
Analyzes PostgreSQL, MySQL, and Snowflake queries, detects un-indexed full table scans, and recommends composite index statements.
AI Voice Memo to Jira Transcriber
Records voice memos in-browser, transcribes speech, and structures unorganized thoughts into Jira specs and action items.
AI Smart Form Filling Assistant
Drafts audit-ready answers for merchant underwriting (Stripe/Adyen), commercial leases, insurance claims, and questionnaires.
AI Meal Scanner & Weight Projector
Unified 3-in-1 suite: Scan meal photos for instant macros, track daily calories, and simulate your exact goal weight timeline with TDEE charts.
InBody Composition & BMI Suite
Calculate true body composition beyond basic BMI: measure lean muscle mass, US Navy body fat %, natural FFMI ceiling, and Katch-McArdle metabolic burn.
Solo 401(k) Real Estate Leverage
Models non-recourse debt leverage, IRC § 514(c)(9) zero UDFI tax exemption vs SDIRA, and generates an executive acquisition memo.
Triple Net (NNN) Real Estate FCF & Yield
Model Levered Free Cash Flow (FCF), Cap Rates, DSCR bank stress-testing, 10-year rent escalations, and 39-year commercial depreciation shields.
BRRRR Real Estate Modeler
Model purchase price, rehab budgets, 75% ARV cash-out refinances, capital recapture, DSCR coverage, and infinite cash-on-cash ROI.
Mortgage Amortization & Extra Payments
Calculate interest savings from extra monthly principal payments, annual lump-sum payoffs, and bi-weekly payment accelerators.
Options P&L Matrix & Greeks
Interactive multi-strike P&L matrix with live price feeds, Black-Scholes Greeks (Δ, Γ, Θ, ν), and AI volatility analyst.
AI Trading Script & Screener Generator
Convert plain English trading rules into error-free scanner formulas and custom indicators for Thinkorswim, TradingView, and Chartink.
W-2 vs. 1099 vs. C2C (S-Corp)
3-way tax comparison across W-2, 1099, and C2C with S-Corp reasonable salary split, FICA tax savings, and $69k Solo 401(k) blueprint.
Multi-Leg Strategy Builder
Visual payoff curve builder for Iron Condors, Straddles, Butterfly Spreads, and Vertical Spreads with max profit/risk calculations.
Crypto DCA vs. Lump Sum Backtester
Simulates recurring Dollar Cost Averaging vs upfront Lump Sum investment across BTC, ETH, and SOL using historical daily market data.
Charitable Real Estate Donation
IRC § 170 / 501(c)(13) appraisal vs purchase price tax savings with 30% AGI 5-year deduction carryforward schedules.
AI Rental Listing & Tenant Screener
Drafts high-converting Zillow rental marketing copy and Fair Housing Act compliant tenant qualification criteria.
Startup Equity & AMT Modeler
Models ISO vs NSO exercise strike spread, 2026 Alternative Minimum Tax (AMT) liability, and capital gains tax upon IPO exit.
50-State Tax Relocation Modeler
Side-by-side state income tax, property tax, and sales tax comparisons with 10-year compounding wealth impact charts.
HSA "Stealth IRA" Wealth Modeler
Calculates triple-tax-free HSA compound growth vs taxable brokerage accounts utilizing the shoebox receipt reimbursement strategy.
Solo 401(k) vs. SEP IRA Modeler
2026 IRS contribution caps ($69,000), employee deferral ($23,000) + 25% profit sharing comparison, and compounding curve.
AI Glassmorphism CSS Generator
Generates frosted glass UI effects with backdrop-filter blur, border glow, shadow depth, and copyable CSS & Tailwind code.
Developer Swiss Army Hub
JSON Formatter, JWT Debugger, Cron Parser, Regex Tester, UUIDv4 Generator, Unix Timestamps, and SHA-256 Hash Suite.
AI Excel & Sheets Formula Architect
Translate plain English to complex Excel & Google Sheets formulas, debug #SPILL! errors, and export to Python Pandas & VBA.
AI Small Business Generator
Generate high-converting website copy, client retainer agreements, cold outreach sequences, and pitch decks 100% locally in your browser.
Free Voice & Multilingual AI Assistant
No email, passwords, or subscriptions needed. Speak or type in Telugu, Hindi, Tamil, Marathi, Spanish, Japanese, or English with 100% private in-browser AI.
వడ్డీ లెక్కలు (Vaddi Lekkalu)
రూపాయి (₹1), రూపాయిన్నర (₹1.50), రెండు రూపాయలు (₹2), మూడు రూపాయల గ్రామీణ నెలవారీ సాధారణ మరియు చక్రవడ్డీ ఖచ్చితమైన గణన.
किसान खाद कैलकुलेटर (Kisan Khad)
गेहूं, धान, मक्का, सरसों और गन्ने के लिए यूरिया, डीएपी (DAP), और पोटाश (MOP) की सही बोरी संख्या और सरकारी सब्सिडी बचत की गणना।
Live Cricket Win Probability & DLS
Real-time chase win %, required run rate (RRR) per ball, DLS rain par scores, and implied match odds with 1-tap mobile controls.
Amazon Discount Stacking
Calculate exact checkout savings when stacking 15% Subscribe & Save, digital clip coupons, Lightning Deals, and Prime 5% Cash Back.
Apple Trade-In & Depreciation
Compare official Apple Trade-In vs. Swappa/eBay resale values for iPhone, Mac, iPad, Watch, and AirPods with monthly TCO.
Kalkulator PPh 21 TER 2026
Simulasi pemotongan PPh 21 TER Kategori A/B/C, iuran BPJS Ketenagakerjaan & Kesehatan, dan estimasi Take-Home Pay gaji bersih.
Points Valuation & CPP Tool
Calculate exact Cent-Per-Point (CPP) redemption yield and compare max value across Chase UR, Amex MR, Capital One, Bilt, and Citi.
Subnet & CIDR IP Calculator
Calculate IPv4/IPv6 CIDR subnets, bitmasks, wildcard masks, usable host ranges, and AWS VPC cloud IP reservations.
AI Regex Tester & ReDoS Guard
Generate regular expressions with AI, test live matches and capture groups, analyze ReDoS security risks, and export to Python, JS & Go.
SQL Formatter & Index Optimizer
Format messy SQL queries, detect non-SARGable performance bottlenecks, and generate optimal composite B-Tree and GIN indexes.
AI Cron Generator & Schedule Tester
Build, test, and translate cryptic crontab syntax into human English sentences with live scheduled execution timestamps.
JWT Decoder & Signature Debugger
Inspect JSON Web Token headers and payload claims, track live expiration countdowns, and verify HMAC secrets locally.
Aspect Ratio & Dimension Scaler
Calculate proportional pixel dimensions, reduce aspect ratios with GCD algorithms, and preview responsive video canvases.
Crypto Liquidation & P&L Calculator
Simulates 1x to 125x leverage liquidation prices, maintenance margin requirements, and return on equity (ROE) for longs and shorts.
Tech Offer Total Comp (TC) Modeler
Side-by-side total compensation modeler factoring base salary, sign-on bonuses, annual bonus %, 4-year RSU vesting, and Year 5 cliff.
Bi-Weekly Mortgage & Term Reduction Modeler
Split monthly mortgage payments into 26 bi-weekly half-payments to shave 4 to 6 years off your loan and save $50k–$150k+ in interest with $0 extra budget strain.
2026 IRS Tax Return Estimator
Estimates federal tax liability, marginal vs effective tax rates, standard deductions, and projected tax refund for 2026 filers.
Hourly to Annual Salary Converter
Real-time bidirectional conversion between hourly rates, daily earnings, bi-weekly paychecks, and annual gross compensation.
Australian Age Pension & Centrelink
Calculate exact fortnightly Age Pension payments with Centrelink Assets & Income Tests, deeming rates, taper decay, and super shelters.
NBA True Shooting & Game Score
Quantify scoring efficiency: calculate True Shooting (TS%), Effective Field Goal % (eFG%), Points Per Shot, and John Hollinger's single-game Game Score.
NFL 4th Down & 2-Pt Decision
Should the coach Go for It, Kick a Field Goal, or Punt? Calculate conversion probability, Expected Points Added (EPA), and 2-point conversion analytics.
ATP & WTA Live Tennis Rankings
Simulate 52-week rolling points defending across Grand Slams (2,000 pts) and Masters 1000s: model live ranking point deltas and the battle for World No. 1.
MLB Sabermetrics (wRC+ & FIP)
Unmask true player value: calculate Weighted Runs Created Plus (wRC+), Fielding Independent Pitching (FIP), and 162-game team Pythagorean win regression.
AI FIFA World Cup Records & H2H Hub
All-time World Cup winners, top goalscorer leaderboards, national Head-to-Head (H2H) matrix, and AI milestone pace forecasts.
Soccer League Table & GD Simulator
Simulate matchday fixtures, re-order standings dynamically by Goal Difference (GD) and Goals Scored (GF), and model title clinch scenarios.
AI ICC Cricket Records & NRR Hub
World Cup century records (Rohit, Kohli, Sachin), India vs Pakistan H2H, and Net Run Rate (NRR) qualification math.
Cricket DLS Rain Target & Par Calculator
Calculate revised Duckworth-Lewis-Stern targets, resource loss percentages, and real-time over-by-over DLS par scores.
AI Formula 1 Records & Standings Hub
All-time Grand Prix wins (Hamilton 105, Schumacher 91, Verstappen 61+), poles, constructor titles, and points simulators.
F1 Title Elimination & Points Matrix
Model mathematical championship elimination thresholds, Sprint weekend points swings, and title clinch scenario matrices.
AI Champions League Records & H2H
Top goalscorers (Ronaldo 140, Messi 129), European Clásico H2H (Real Madrid vs Bayern), and knockout analytics.
AI Tour & Festival Budget Planner
Calculate all-in concert and 3-day festival costs factoring hidden ticketing fees (18–25%), travel, lodging, and merch.
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