About
Justools

Free, private browser tools for everyday tasks.

PDF tools

  • Merge PDF
  • Split PDF
  • Organize PDF
  • Rotate PDF
  • Delete PDF Pages
  • Add Page Numbers
  • Watermark PDF
  • Image to PDF
  • PDF to JPG
  • PDF to PNG
  • Remove PDF Password
  • Compress PDF
  • Protect PDF
  • PDF to Text
  • Crop PDF
  • Flatten PDF

Image tools

  • Image Converter
  • JPG to PNG
  • PNG to JPG
  • JPG to WebP
  • WebP to JPG
  • WebP to PNG
  • Image to WebP
  • Image Cropper
  • Lasso Crop
  • Remove Photo Metadata
  • SVG Optimizer
  • Resize Image
  • Compress Image
  • Remove Background
  • Image to Text

Developer tools

  • JSON Formatter
  • CSV to JSON
  • Hash Generator
  • Base64
  • URL Encode
  • Timestamp Converter
  • Diff Text
  • Case Converter
  • Word Counter
  • Color Contrast
  • Unit Converter

Utility tools

  • QR Code Generator
  • Trim Video
  • Merge Video
  • Screen Recorder
  • Voice Recorder

Creative tools

  • Coloring Pages
  • Graph Paper Generator
  • Spin the Wheel

Calculators

  • Cost of Raising a Child Calculator
  • Calorie Deficit Calculator
  • BMI Calculator
  • Age Calculator
  • Date Calculator
  • City Time Converter
  • Scientific Calculator
  • Fraction Calculator
  • Cost of Living (20 countries)
  • Budget Planner
  • Pay Raise Calculator

Company & legal

  • All personal tools
  • Insights
  • Business
  • Learn
  • About
  • Help
  • Support
  • Contact
  • Privacy
  • Terms of Use
  • Disclaimer

© 2026 Justools. General information only, not financial advice.

Business Tools

Practical calculators and templates for freelancers and small businesses. Everything runs in your browser.

Money

Freelance Rate Calculator

Live

Calculate required hourly and daily billing rates from take-home income, expenses, tax buffer, and billable hours

Open Freelance Rate Calculator

Cash Runway Calculator

Live

Calculate months of cash runway and zero-cash date from monthly in and out

Open Cash Runway Calculator

Business Budget Planner

Live

12-month planner plus downloadable Excel budget template

Open Business Budget Planner

Business Expense Tracker

Live

Log costs by date and category, then download Excel

Open Business Expense Tracker

Pricing

Profit Margin Calculator

Live

Margin, markup, and pricing from cost

Open Profit Margin Calculator

Net Profit Calculator

Live

Revenue, costs, tax, and net margin

Open Net Profit Calculator

Break-Even Calculator

Live

Calculate break-even units and revenue from fixed costs, price, and variable cost

Open Break-Even Calculator

YoY Growth Calculator

Live

Calculate year over year percentage growth, absolute change, and multi-year CAGR

Open YoY Growth Calculator

Marketing

ROAS Calculator

Live

Return on ad spend, break-even ROAS, and net profit

Open ROAS Calculator

CTR Calculator

Live

Calculate click-through rate, solve for clicks or impressions, and optional CPC/CPM

Open CTR Calculator

Diminishing Returns Calculator

Live

Estimate ad spend saturation, marginal ROAS, and budget thresholds from historical data

Open Diminishing Returns Calculator

Perceptual Map Generator

Live

Build a 2x2 perceptual or brand positioning map with competitor logos, drag to position, and export

Open Perceptual Map Generator

Coming soon

More tools are on the way.

Invoice Template Generator

Coming soon

Invoice Template Generator

Available on this hub soon.

Quote & Estimate Template

Coming soon

Quote & Estimate Template

Available on this hub soon.