Online Converters &amp; Transformation Tools

YAML to JSON Converter

Convert YAML to JSON with real-time validation and syntax highlighting

Image Duplicator

Duplicate images into grids and patterns with customizable layouts

All-In-One Image Processor

Compress, resize, and convert images in one workflow

Mortgage Calculator

Calculate monthly mortgage payment with PMI, taxes, and amortization schedule export

401(k) Calculator

Project 401(k) retirement balance with employer match, fees, and inflation adjustment

Rent vs Buy Calculator

Compare renting vs buying by modeling rent growth, mortgage costs, appreciation, and investment returns

House Affordability Calculator

Estimate how much house you can afford based on a monthly budget, down payment, rates, and add-ons

Refinance Calculator

Estimate refinance savings, new payment, and break-even time with closing costs and optional cash-out

Closing Cost Calculator

Estimate buyer closing costs with an itemized breakdown of fees, prepaids, and escrow deposits

Debt Payoff Calculator

Plan a debt payoff strategy using snowball or avalanche with multiple debts and a monthly budget

Credit Card Payoff Calculator

Calculate credit card payoff time and total interest by payment amount or target payoff months

Student Loan Calculator

Estimate student loan payment, payoff time, and total interest with extra payments and CSV export

Profit Margin Calculator

Calculate profit, profit margin, and markup from revenue and cost with target margin scenarios

Freelance Rate Calculator

Estimate a sustainable freelance hourly rate using taxes, overhead, utilization, and profit buffer

Retirement Calculator

Project retirement savings and estimate a target nest egg with inflation, fees, Social Security, and CSV export

Title Case Converter

Format headlines with AP-style title capitalization instantly

Unicode Text Converter

Inspect Unicode code points, formats, and character names

Wingdings Converter

Translate text into Wingdings-inspired Unicode symbols

Time Zone Converter

Convert dates and times across global time zones with DST support

Binary Code Translator

Convert text to binary and decode binary

ASCII to HEX Converter

Translate ASCII strings to hexadecimal or decode hex payloads back to readable text

Numbers to Words Converter

Spell out cheques, invoices, and bulk numeric data in words with locale and currency support

String Length Calculator

Count characters, words, lines, sentences, and byte size for any text string

Base64 Converter

Encode and decode Base64 strings

Image to Base64 Converter

Convert images to Base64 format

JSON to CSV Converter

Convert JSON data to CSV format

Markdown to HTML Converter

Convert Markdown to HTML instantly

CSV to HTML Table Generator

Convert CSV data to HTML tables

Timestamp to Date Converter

Convert Unix timestamps to readable dates

File Size Converter

Convert between file size units

REM to PX Converter

Convert rem to px and px to rem with a custom root font size

CMYK to Pantone Converter

Find closest Pantone matches from CMYK values with ranked suggestions

Text to Image Converter

Convert quotes, notes, and plain text into downloadable PNG images

JWT Token Decoder

Decode and inspect JWT tokens

HTML Entity Encoder/Decoder

Encode and decode HTML entities

generators

Text to Speech Robot

Convert video and game scripts into robotic narration with cadence tuning and audio export

number generators

Random Binary Generator

Generate binary strings with grouping, conversions, and export-ready formatting

Age Calculator

Calculate age accurately

Image Resizer

Resize images online

CSV to JSON Converter

Convert CSV spreadsheets into clean, formatted JSON arrays or objects

Camel, Snake & Kebab Case Converter

Convert text into camelCase, snake_case, kebab-case, and PascalCase

HEX to RGB & RGBA Converter

Convert HEX color codes into CSS RGB and RGBA values with color picker

cURL to JavaScript Fetch & Axios Converter

Convert cURL commands into JavaScript fetch(), Axios, Python requests, and PHP code

HTML to Markdown Converter

Convert raw HTML markup and web articles into clean Markdown text

CSS Clamp() Calculator & Fluid Typography Generator

Calculate CSS clamp() formulas for responsive fluid typography and spacing

JSON to TypeScript Interface Generator

Convert raw JSON objects into strongly-typed TypeScript interfaces and type aliases

Compound Interest Calculator

Calculate compound interest, monthly contributions, APY growth, and investment future value

Sales Tax Calculator & Reverse Tax Estimator

Calculate sales tax, state rates, local surtax, and reverse tax amounts from receipts

ROI Calculator (Return on Investment & CAGR)

Calculate total ROI, annualized ROI, net profit, and investment multiples with scenario modeling

Auto Loan Calculator & Car Payment Estimator

Calculate monthly auto loan payments, APR interest, down payments, trade-ins, and amortization

Subnet Calculator (IPv4 CIDR & Netmask)

Calculate IPv4 subnets, CIDR blocks, usable host ranges, broadcast addresses, and binary netmasks

Crypto Profit Calculator & Fee Estimator

Calculate cryptocurrency profits, losses (P&L), exchange trading fees, and break-even exit prices

Salary to Hourly Calculator

Convert annual salary to hourly wage or hourly rate to salary with bi-weekly, overtime, and PTO breakdowns

Break-Even Calculator & Margin Analyzer

Calculate break-even units, revenue threshold, margin of safety, and target profit volume

Percentage Calculator & Change Estimator

Calculate percentage increases, discounts, fractional ratios, and percentage differences instantly

Inflation Calculator & Purchasing Power Tool

Calculate compound inflation, future purchasing power loss, and required future wealth equivalent

Discount & Sale Price Calculator

Calculate markdown sale prices, double discounts, tax additions, and total money saved

Tip & Bill Split Calculator

Calculate restaurant gratuity, bill splitting among diners, and round up totals

Loan Comparison Calculator

Compare two loan offers side-by-side with interest rates, total interest costs, and monthly amortizations

Simple Interest Calculator

Calculate simple interest accumulation, maturity yield, and interest schedules

Fuel Cost & Trip Gas Calculator

Calculate trip fuel expense, cost per passenger, and required gallons/liters

BMR Calculator & Daily Calorie Needs

Calculate Basal Metabolic Rate using Mifflin-St Jeor and TDEE calorie expenditure

BMI Calculator & Weight Category Estimator

Calculate Body Mass Index, healthy weight range, and WHO weight classifications

Daily Water Intake Calculator

Calculate optimal daily water consumption based on weight, activity, and climate

Sleep Cycle & Bedtime Calculator

Calculate optimal bedtime and wake-up schedules based on 90-minute REM sleep cycles

Date Difference & Day Counter

Calculate exact days, weeks, months, business days, and time elapsed between two dates

Universal Unit Converter

Convert length, mass, temperature, speed, volume, and digital storage units accurately

Aspect Ratio Calculator & Dimension Resizer

Calculate proportional aspect ratios, CSS padding-top hacks, and display dimensions

Compound Annual Growth Rate (CAGR) Calculator

Calculate annualized investment returns, real inflation-adjusted CAGR, and compounding schedules

Emergency Fund Calculator & Safety Buffer

Calculate 3, 6, 9, or 12-month cash reserves based on essential monthly expenses and job risk

SIP Calculator & Dollar Cost Averaging (DCA)

Calculate mutual fund and ETF compound growth with annual step-up contribution options

Personal Net Worth Calculator

Calculate personal net worth from assets and liabilities with debt-to-asset leverage ratios

Savings Goal Calculator & Deposit Planner

Calculate required monthly, weekly, and daily savings targets with compound HYSA interest

Home Down Payment Calculator

Calculate down payment tiers, closing costs, PMI thresholds, and monthly house savings

Loan Amortization Schedule Calculator

Calculate principal & interest amortization schedules with extra payments and CSV export

Markup & Margin Calculator

Convert markup percentage to profit margin, calculate cost of goods, and target selling prices

Work Hours & Weekly Timesheet Calculator

Calculate daily hours, weekly totals, unpaid lunch deductions, and overtime pay

College & High School GPA Calculator

Calculate weighted and unweighted GPA on a 4.0 scale with cumulative projections

Calorie Deficit Calculator & Weight Loss Planner

Calculate daily calorie intake for weight loss, goal completion date, and protein macros

Body Fat Percentage Calculator (US Navy)

Calculate body fat percentage, lean mass, and fitness categories using circumference readings

Macronutrient (Macro) Calculator (IIFYM)

Calculate daily grams and per-meal targets of protein, carbohydrates, and fats

Running Pace & Race Split Calculator

Calculate pace per mile/km, predict finish times, and generate splits for 5K to marathon

Ovulation & Fertile Window Calculator

Predict peak ovulation days, identify 6-day fertile windows, and forecast menstrual cycles

Age in Days Calculator & Life Milestones

Calculate total days, hours, and seconds lived, day of week born, and birthday countdown

SVG to PNG Converter Online

Convert vector SVG code or files into high-resolution PNG or JPEG images with transparency

Linux Chmod Permissions Calculator

Generate octal and symbolic Linux file permissions with copyable bash terminal commands

CSV to SQL Converter & Table Generator

Convert CSV data into SQL CREATE TABLE schemas and multi-row batch INSERT INTO statements

Reading Time & Speech Duration Calculator

Calculate silent reading time and spoken speech duration from text word counts

Code to Image Converter

Convert code snippets into beautiful social media screenshots with themes, gradients, and window frames

HTML to JSX Converter

Transform standard HTML5 and SVG code into clean React JSX with className mapping and style objects

Base64 to Image Converter

Decode Base64 strings and Data URIs back into PNG, JPG, or SVG images with live preview and download

Text to Speech Reader & Synthesizer

Convert written text into natural spoken audio with voice selection, speed controls, and zero character limits

.env to Docker Compose Converter

Transform .env files into Docker Compose configurations and generate sanitized .env.example templates

SaaS Metrics Calculator

Calculate LTV:CAC ratio, MRR, ARR, customer churn rate, and CAC payback period with VC-grade diagnostics

Cap Rate Calculator

Calculate Capitalization Rate, Net Operating Income (NOI), Gross Rent Multiplier, and cash-on-cash returns for real estate

Freelance 1099 Self-Employment Tax Calculator

Estimate quarterly estimated taxes, SE tax (Social Security + Medicare), federal income tax brackets, and write-off deductions

Capital Gains Tax Calculator

Calculate short-term vs long-term capital gains tax on stocks, crypto, and real estate with NIIT thresholds

Live Meeting Cost Calculator

Real-time ticker that tracks the financial dollar burn of meetings second-by-second based on attendee hourly rates

CIDR IP Range Calculator

Calculate IPv4 subnet ranges, network addresses, broadcast boundaries, usable hosts, and binary bitmasks

Password Entropy Calculator

Calculate Shannon entropy bits, character pool sizes, and realistic GPU brute force cracking times according to NIST standards

JSON to Zod Schema Converter

Convert JSON payloads into TypeScript Zod validation schemas, UUID checkers, email rules, and inferred types

B2B Startup Burn Rate & Runway Calculator

Forecast startup cash runway, net burn, zero-cash calendar dates, and simulate what-if expense reduction scenarios

Roman Numeral Converter

Convert Arabic numbers to Roman numerals and Roman numerals to numbers with step-by-step breakdown explanations

Carbon Footprint Calculator

Calculate annual greenhouse gas emissions across home energy, driving, flights, and diet with tree offset metrics

Cloud Storage Pricing Calculator

Compare monthly storage, egress bandwidth, and API request costs across AWS S3, Cloudflare R2, Azure Blob, GCP, and Wasabi

Startup Equity Dilution Calculator

Calculate founder ownership dilution across Seed, Series A, Series B, and option pools with pre-money and post-money valuations

RSU Tax Calculator

Calculate federal, state, and FICA supplemental tax withholding, vesting shares, and net payout on restricted stock units

Ad Revenue & RPM Calculator

Calculate ad revenue, Page RPM, eCPM, and click-through earnings for Google AdSense, YouTube, and digital media publishers

Shopify Fee Calculator

Calculate Shopify plan subscriptions, Shopify Payments credit card processing rates, 3rd-party gateway fees, and net profit

Kubernetes Resource Calculator

Calculate pod CPU, memory requests, limits, cluster overcommit ratios, and node capacity planning with YAML export

SQL to Prisma Schema Converter

Convert SQL CREATE TABLE DDL statements into Prisma schema models with primary keys, relations, and enums

PayPal Fee Calculator

Calculate PayPal merchant seller fees, international cross-border deductions, and reverse invoice amounts

eBay Fee & Profit Calculator

Calculate exact eBay Final Value Fees, store discounts, promoted listing costs, fulfillment expenses, and net profit margins

Stripe Fee Calculator

Calculate Stripe payment processing fees, international surcharges, recurring billing add-ons, and reverse invoice sums

Base58 Encoder & Decoder

Encode and decode Bitcoin, Solana, and IPFS Base58 strings to text or hex with instant client-side validation

Base32 Encoder & Decoder

Encode and decode RFC 4648 Base32 strings and 2FA TOTP secret keys to plain text or hex with instant conversion

SVG to JSX Converter

Transform raw SVG code into production-ready React JSX and TypeScript TSX components with camelCase attributes

TSV to JSON Converter

Convert Tab-Separated Values (TSV) from Excel or datasets into structured JSON arrays and keyed objects

Screen DPI / PPI Calculator

Calculate display pixel density (PPI/DPI), dot pitch, aspect ratio, and Apple Retina viewing distances

Solar Panel Payback Calculator

Calculate residential solar break-even timeline, 30% Federal Clean Energy Tax Credit, and 25-year net ROI

HSA Investment Calculator

Calculate compound growth in an invested Health Savings Account, annual tax savings, and retirement healthcare funds

EV Charging Cost Calculator

Compare Level 2 home charging, DC fast charging, and gasoline costs per mile with annual fuel savings

B2B Sales Pipeline Velocity Calculator

Calculate daily revenue velocity, annualized ARR run-rate, and sensitivity impacts across win rate, deal size, and sales cycle

Churn Reduction ROI Calculator

Calculate the financial impact of customer retention, LTV expansion, and SaaS enterprise valuation lift from reducing churn

SemVer Version Calculator

Calculate Semantic Versioning release bumps, evaluate caret (^) and tilde (~) ranges, and audit dependency constraints

HELOC Payment Calculator

Calculate monthly interest-only draw payments and principal amortization repayment for Home Equity Lines of Credit.

DSCR Loan Calculator

Calculate Debt Service Coverage Ratio (DSCR), maximum qualifying loan amount, and net operating income for real estate investors.

1031 Exchange Calculator

Calculate capital gains tax deferral, boot liabilities, and replacement property equity targets under Section 1031 exchanges.

Commercial Lease Calculator

Calculate Triple Net (NNN), Gross, and Modified Gross lease expenses, tenant CAM charges, and annual rent escalations.

Mortgage Discount Points Calculator

Evaluate mortgage discount points vs zero-point loans with exact break-even month timelines and interest savings.

LLC vs S-Corp Tax Calculator

Compare self-employment tax liabilities and potential tax savings between single-member LLCs and S-Corporation elections.

SAFE & Convertible Note Calculator

Model post-money valuation caps, discount rates, and startup equity dilution for Y Combinator SAFEs and convertible debt.

Billable Hourly Rate Calculator

Calculate required freelancer and agency hourly billing rates based on income goals, business overhead, taxes, and billable utilization.

Amazon FBA Profit Calculator

Calculate Amazon FBA fulfillment fees, referral fees, storage costs, net profit margins, and ROI per product unit.

Etsy Fee & Profit Calculator

Calculate Etsy listing fees, transaction fees, payment processing, Offsite Ads costs, and net seller profit margins.

ROAS & Break-Even ROAS Calculator

Calculate Return on Ad Spend (ROAS), break-even target ROAS, CPA, and profit margins across Google, Meta, and TikTok ad campaigns.

SSL Certificate Decoder

Inspect X.509 PEM certificates, check expiration countdowns, SAN domains, and cryptographic SHA-256 fingerprints with zero server logs.

cURL to Python Converter

Transform cURL command lines into clean, production-ready Python requests, async HTTPX, or Node.js fetch code in seconds.

JSON to YAML Converter

Convert JSON to YAML and YAML to JSON in real time. Fast, secure, client-side formatting for Kubernetes, Docker, and CI/CD.

ASCII to Binary Converter

Convert text into 8-bit binary, hexadecimal, decimal ASCII codes, and Base64 with live bit and byte character inspection.

NATO Phonetic Alphabet Translator

Translate any word, code, or password into the official NATO phonetic alphabet with audio speech pronunciation and Morse code.

Promissory Note Calculator & Generator

Calculate loan debt service schedules and generate binding Promissory Notes with default penalties.

Umbrella Insurance Calculator

Calculate recommended personal umbrella liability insurance limits ($1M-$10M+) to shield your assets.

Annuity Payout Calculator

Calculate guaranteed lifetime monthly income payouts, internal rate of return, and period certain options.

Life Insurance Needs Calculator

Calculate your family's exact life insurance coverage needs using the institutional DIME method.

Inherited IRA RMD Calculator

Calculate SECURE 2.0 10-year payout schedules and annual RMDs for inherited Traditional and Roth IRAs.

Backdoor Roth IRA Calculator

Calculate conversion taxes and verify IRS Form 8606 Pro-Rata Rule compliance across all IRAs.

Dividend Reinvestment (DRIP) Calculator

Simulate multi-decade dividend compounding, share accumulation, and yield-on-cost returns.

Closing Costs Calculator

Calculate real estate buyer and seller settlement fees, lender points, escrow reserves, and transfer taxes.

FHA vs Conventional Loan Calculator

Compare FHA MIP vs. Conventional PMI, 1.75% upfront funding fees, and 10-year total borrowing costs.

CD Ladder Calculator

Build an optimal Certificate of Deposit ladder to maximize APY yields while preserving rolling liquidity.

Car Depreciation Calculator

Calculate 5-year vehicle residual value curves, annual depreciation loss, and true cost per mile.

Startup Runway & Cash Burn Calculator

Calculate startup cash runway in months, gross vs. net monthly burn rate, and projected zero-cash dates.

SaaS CAC Payback Period Calculator

Calculate B2B SaaS Customer Acquisition Cost payback in months, SaaS Magic Number, and LTV:CAC ratios.

Payment Gateway Fee Comparison Calculator

Compare merchant credit card fees side-by-side across Stripe, PayPal, Square, and Interchange-Plus.

Employee Turnover Cost Calculator

Calculate the true financial cost of employee attrition, recruiter fees, and ramp productivity lag.

Inventory Turnover & DSI Calculator

Calculate inventory turnover ratios, Days Sales of Inventory (DSI), and annual carrying cost holding fees.

Employee PTO Accrual Calculator

Calculate paid time off accruals per pay period and company balance sheet vacation liabilities.

Business Valuation Calculator

Estimate small business and mid-market valuations using SDE multiples, EBITDA, and add-back normalization.

ULID Generator and Decoder

Generate and decode 128-bit sortable Crockford Base32 ULIDs and extract millisecond timestamps.

Influencer Sponsored Rate Calculator

Calculate fair-market sponsorship rates for Instagram Reels, TikTok, and YouTube based on engagement.

Solo 401(k) Contribution Calculator

Calculate maximum tax-advantaged Solo 401(k) contributions for self-employed individuals and LLC owners.

Wash-Sale Rule Calculator

Calculate IRS 30-day wash-sale disallowed tax losses, replacement share basis adjustments, and tax liability.

Mortgage Recast Calculator

Calculate new lowered monthly mortgage payments after making a lump-sum principal recast payment.

Federal Estate Tax Calculator

Estimate federal estate tax liability and evaluate lifetime gift tax exemption utilization.

HSA Contribution Limit Calculator

Calculate annual Health Savings Account (HSA) contribution limits with 55+ catch-up and tax savings.

BRRRR Method Calculator

Model Buy, Rehab, Rent, Refinance, Repeat deals, cash-out proceeds, and infinite return thresholds.

Landlord Rent Increase Calculator

Calculate rent increases adhering to state CPI caps, tenant turnover costs, and annual revenue.

Property Management Fee Calculator

Compare landlord property management expenses: leasing fees, monthly management %, and maintenance markups.

Construction Loan Calculator

Model draw schedules, interest-only holding costs, and permanent takeout financing for builders.

Commercial Real Estate ROI Calculator

Evaluate cap rate, Net Operating Income (NOI), Debt Service Coverage Ratio (DSCR), and cash-on-cash ROI.

Workers' Comp Cost Calculator

Estimate annual workers' compensation insurance premiums based on industry risk class codes, payroll, and EMR.

Cyber Insurance Cost Calculator

Estimate commercial cyber liability insurance premiums and potential data breach blast radius exposure.

Freelance Retainer Calculator

Calculate monthly consulting retainers, capacity commitment discounts, rollover limits, and surge overage rates.

Customer Churn Rate Calculator

Calculate SaaS logo churn, gross MRR churn, Net Revenue Retention (NRR), and customer lifetime value (LTV).

Freight Shipping Class Calculator

Calculate pallet density in pounds per cubic foot (PCF) and determine standard NMFC Less-Than-Truckload classes.

Podcast Sponsorship Calculator

Calculate podcast sponsorship rates, Pre/Mid/Post-Roll CPM revenue, and monthly advertising earnings.

Affiliate Marketing Commission Calculator

Estimate affiliate marketing earnings, link CTR, merchant conversion rates, and Page RPM revenue.

Sales Commission Calculator

Calculate sales commission payouts, quota attainment, and tiered accelerator bonuses over On-Target Earnings.

QSBS Tax Exemption Calculator

Calculate Section 1202 Qualified Small Business Stock (QSBS) federal capital gains tax exclusions and state conformity.

Cost Segregation Calculator

Estimate commercial and residential real estate cost segregation bonus depreciation write-offs and tax savings.

Donor-Advised Fund Tax Calculator

Model tax deductions, capital gains tax avoidance, and charity growth from contributing appreciated assets to a DAF.

Opportunity Zone Tax Calculator

Calculate Qualified Opportunity Zone (QOZ) capital gains tax deferral, tax-free basis step-ups, and 10-year net IRR returns.

RSU Sell-to-Cover Calculator

Compare RSU sell-to-cover withholding vs same-day-sale. Model tax shortfalls, supplemental withholding, and retained shares.

Hard Money Loan Calculator

Calculate hard money interest, origination points, loan-to-cost (LTC), and holding costs for fix-and-flip real estate deals.

Seller Financing Calculator

Calculate owner financing installment notes, monthly P&I income, amortization schedules, and balloon payment balances.

Commercial Bridge Loan Calculator

Calculate commercial real estate bridge financing, floating SOFR coupon spreads, interest-only debt service, and sponsor equity.

Air Rights Valuation Calculator

Calculate urban air rights and Transferable Development Rights (TDR) valuation using Floor Area Ratio (FAR) and zoning capacity.

Mezzanine Debt Calculator

Calculate real estate mezzanine debt financing, PIK interest compounding, warrants, and blended capital stack WACC.

Business Interruption Insurance Calculator

Calculate business interruption insurance loss values, insurable gross earnings, continuing fixed expenses, and restoration limits.

Commercial Auto Insurance Calculator

Calculate commercial auto and fleet insurance premiums. Model vehicle types, driving record risk tiers, and liability limits.

D&O Insurance Cost Calculator

Calculate Directors and Officers (D&O) liability insurance premiums for venture-backed startups, private companies, and boards.

Key Person Insurance Calculator

Calculate key person life and disability insurance requirements. Size replacement costs, lost revenue, and loan covenants.

Equipment Lease vs Buy Calculator

Compare commercial equipment leasing versus purchasing. Calculate Net Present Value (NPV), Section 179 tax deductions, and cash flows.

Subnet Mask & Wildcard Calculator

Calculate IPv4 subnets, inverted wildcard masks, CIDR network IDs, usable host ranges, and Cisco IOS statements.

Redis Memory Sizing Calculator

Calculate Redis RAM requirements by data structure (Strings, Hashes, Sets, ZSets) accounting for jemalloc and cloud nodes.

Facebook Ad Budget Calculator

Calculate Facebook and Meta ad spend requirements based on target revenue, AOV, CPM, CTR, and landing page conversion rates.

Webinar Lead ROI Calculator

Calculate B2B webinar pipeline generation, attendance rates, sales qualified leads (SQLs), closed-won revenue, and net ROI.

SEO ROI Forecasting Calculator

Calculate SEO ROI, organic traffic forecasts, and equivalent Google Ads PPC media value based on search volume and SERP CTR curves.

CRO ROI Calculator

Calculate incremental revenue lift, order growth, and net ROI from Conversion Rate Optimization (CRO) and A/B testing.

Sales Pipeline Coverage Calculator

Calculate B2B sales pipeline coverage ratios against team quotas, historical win rates, and revenue gap analysis.

Section 179 Calculator

Calculate Section 179 vehicle and equipment tax write-offs, bonus depreciation, and first-year cash savings.

83(b) Election Tax Savings Calculator

Compare tax liability with vs without an 83(b) election for startup stock and options, and track the 30-day deadline.

UK Stamp Duty Calculator (SDLT)

Calculate HMRC Stamp Duty Land Tax for UK property purchases with First-Time Buyer relief and second home surcharges.

UK Dividend Tax Calculator

Model UK Corporation Tax, optimal director salary splits, dividend allowances, and net take-home pay.

UK Salary Sacrifice Calculator

Calculate National Insurance and income tax savings on salary sacrifice pensions, electric cars, and cycle schemes.

S-Corp Reasonable Compensation Calculator

Calculate defensible W-2 salary vs distribution splits to maximize 15.3% self-employment tax savings.

Structured Settlement Present Value Calculator

Determine the net present value (NPV) and buyout offer for future structured settlement annuity payments.

Commercial Real Estate Debt Yield Calculator

Calculate commercial real estate Debt Yield (NOI / Loan Amount) and model maximum loan sizing.

Black-Scholes Option Pricing Calculator

Calculate theoretical European Call and Put option prices with full Delta, Gamma, Theta, Vega, and Rho Greeks.

R&D Tax Credit Calculator

Calculate IRS Section 41 Qualified Research Expenses (QRE) and claim up to $500,000 in payroll tax offset.

Independent Contractor Misclassification Risk Calculator

Assess 1099 contractor misclassification legal risk against DOL 6-factor standards and model back-tax penalties.

Commercial Lease CAM Fee Reconciliation Calculator

Calculate commercial lease CAM pro-rata shares, audit controllable expense caps, and reconcile true-up statements.

Car Lease Money Factor to APR Converter

Convert dealership money factors to equivalent APR (MF × 2400) and model monthly depreciation and rent charges.

Bonus Depreciation Calculator

Model bonus depreciation under the TCJA phase-out schedule (60%, 40%, 20%) and MACRS Year 1 tax savings.

HDHP vs PPO Health Insurance Cost Calculator

Compare High-Deductible Health Plans with HSA versus PPO plans, annual premiums, out-of-pocket max, and tax savings.

SaaS Quick Ratio Calculator

Calculate your SaaS Quick Ratio: (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR) and benchmark growth.

Amazon PPC ACoS to TACoS Profitability Calculator

Calculate Advertising Cost of Sales (ACoS), Total ACoS (TACoS), break-even margin thresholds, and net profits.

ISO vs NSO Stock Option Tax Calculator

Compare Incentive Stock Options vs Non-Qualified Options, Alternative Minimum Tax (AMT) at exercise, and capital gains.

Title Insurance & Closing Cost Estimator

Calculate Owner's and Lender's title insurance premiums, simultaneous issue discounts, and escrow settlement closing fees.

Late Payment Statutory Interest Calculator

Calculate statutory interest (8% + base rate) and debt recovery compensation on overdue B2B commercial invoices.

AWS Lambda Serverless Cost Calculator

Calculate serverless execution costs in GB-seconds, compare x86 vs Graviton2 ARM pricing, and forecast cloud spend.

Self-Employed Health Insurance Deduction Calculator

Calculate IRS Form 1040 Schedule 1 above-the-line health insurance deductions for sole proprietors and S-Corps.

Section 121 Exclusion Calculator

Calculate tax-free home sale capital gains under IRS Section 121 ($250k single / $500k married) and test the 2-in-5 rule.

Contractor Day Rate to Salary Calculator

Convert contracting day rates into equivalent full-time permanent annual salaries accounting for PTO and benefits.

UK Capital Gains Tax (CGT) Property & Shares Calculator

Calculate HMRC Capital Gains Tax on residential buy-to-let properties (18%/24%) and shares with the £3,000 allowance.

SaaS Magic Number & Sales Efficiency Calculator

Calculate your SaaS Magic Number and CAC Payback period to benchmark Go-To-Market sales efficiency.

Cloud Data Egress Cost Calculator

Compare data transfer out bandwidth fees across AWS, Azure, Google Cloud, and Cloudflare Zero Egress.