100% Client-Side • Zero Data Storage • Instant Calculations

Business M&A, Finance & Developer Utilities

Institutional-grade SBA 7(a) acquisition models, net working capital pegs, and developer utilities. Calculated 100% locally in your browser with zero data leakage.

Recently Used Tools

Live Community Activity
Finance

Mortgage Calculator

Estimate monthly PITI payments and amortization.

100% Client-SideOpen calculator
Finance

Salary Calculator

Convert hourly, weekly, monthly, and annual pay.

100% Client-SideOpen calculator
Finance

Compound Interest Calculator

Project savings growth with recurring contributions.

100% Client-SideOpen calculator
File Tools

Word Counter

Count words, sentences, paragraphs, and reading time.

100% Client-SideOpen tool
M&A • SBA Financing • Deal Modeling

Business Calculators

Run the numbers before you commit. Our calculators turn financial uncertainty into clear, actionable insight.

View all business tools
Live

Deal Affordability Calculator

Find out what you can realistically buy. Runs SBA loan qualification, required liquidity, and a full personal financial assessment.

  • SBA loan qualification checker
  • Required liquidity calculator
  • Personal financial assessment
Live

Net Working Capital Calculator

See exactly how much cash a business needs to operate day-to-day so you are never caught off-guard at closing.

  • Reveal cash flow requirements
  • Compare industry benchmarks
  • Optimize for business growth
Live

Exit Value Calculator

Model what your investment is worth at exit. Project cash flows, stress-test growth scenarios, and calculate your IRR.

  • Project future cash flows
  • Model different growth scenarios
  • Calculate IRR based on exit assumptions
Live

Buying Power Calculator

Know your ceiling before you negotiate. Estimates your maximum purchase price, debt capacity, and monthly payment.

  • Maximum purchase price estimator
  • Debt capacity analysis
  • Monthly payment projections
Live

Cash-on-Cash ROI Calculator

Quickly size up the annual return on your actual cash invested so you can compare deals on an apples-to-apples basis.

  • Annual cash-on-cash return
  • Compare deals side by side
  • Factor in debt service
Live

Debt Service Calculator

Model loan repayment schedules and stress-test your deal against interest rate changes before you sign anything.

  • Loan repayment schedule
  • Interest rate sensitivity
  • Break-even payment analysis

Tool Directory

Finance

Mortgage Calculator

Estimate monthly PITI payments and amortization.

100% Client-SideOpen calculator
Finance

Compound Interest Calculator

Project savings growth with recurring contributions.

100% Client-SideOpen calculator
Finance

Salary Calculator

Convert hourly, weekly, monthly, and annual pay.

100% Client-SideOpen calculator
Finance

Invoice Generator

Create printable invoices with live totals.

100% Client-SideOpen calculator
Finance

Tip Calculator

Split bills and calculate tips instantly.

100% Client-SideOpen calculator
File Tools

Word Counter

Count words, sentences, paragraphs, and reading time.

100% Client-SideOpen tool
File Tools

Character Counter

Measure characters, spaces, and text length.

100% Client-SideOpen tool
File Tools

Text Case Converter

Convert text to title, snake, kebab, and more.

100% Client-SideOpen tool
File Tools

Lorem Ipsum Generator

Generate placeholder words, sentences, or paragraphs.

100% Client-SideOpen tool
File Tools

Diff Checker

Compare two text blocks line by line.

100% Client-SideOpen tool
File Tools

PDF Converter

Convert formatted text and styling to downloadable PDF files.

100% Client-SideOpen tool
Writing

Readability Checker

Score text clarity and reading grade level.

100% Client-SideOpen tool
Writing

Password Generator

Generate strong passwords with custom options.

100% Client-SideOpen tool
Writing

UUID Generator

Create RFC 4122 version 4 UUIDs locally.

100% Client-SideOpen tool
Writing

Hash Generator

Generate MD5-style and SHA-256 text hashes.

100% Client-SideOpen tool
Writing

URL Encoder Decoder

Encode or decode URLs and query strings.

100% Client-SideOpen tool
Developer

JSON Formatter

Format, minify, validate, and inspect JSON.

100% Client-SideOpen tool
Developer

Base64 Encoder Decoder

Encode and decode Base64 strings locally.

100% Client-SideOpen tool
Developer

Regex Tester

Test patterns, flags, matches, and capture groups.

100% Client-SideOpen tool
Developer

Color Converter

Convert HEX, RGB, HSL, and CMYK color values.

100% Client-SideOpen tool
Developer

Markdown Previewer

Preview common Markdown formatting live.

100% Client-SideOpen tool
Health

BMI Calculator

Calculate BMI, category, and healthy weight range.

100% Client-SideOpen tool
Health

Calorie Calculator

Estimate daily calories from body and activity data.

100% Client-SideOpen tool
Health

Age Calculator

Calculate exact age and next birthday countdown.

100% Client-SideOpen tool
Converters

Unit Converter

Convert length, weight, temperature, data, and more.

100% Client-SideOpen tool
Converters

Number Base Converter

Convert binary, octal, decimal, and hex values.

100% Client-SideOpen tool
Business Acquisition & Deal Intelligence
Every Tuesday • 100% Free

Tools Stak Weekly Business & Deal Intelligence

Join acquisition searchers, business operators, and brokers. Get weekly small business valuation breakdowns, SBA 7(a) loan modeling formulas, and verified SDE add-back audit checklists.

Real $500k–$10M Business Acquisition Teardowns
SBA 7(a) Loan Modeling & DSCR Checklists
Seller Discretionary Earnings (SDE) Add-Back Audits
Private Due Diligence Spreadsheet Templates

Editorial & Privacy Pledge: We respect your privacy in accordance with Google Publisher policies. You will receive 1 curated email every Tuesday containing business tool guides and M&A teardowns. Zero spam, zero data selling, and 1-click unsubscribe in the footer of every email.