All Momentix Tools
37 free tools in one place: 24 calculators for dates, money, tax, business and study, plus tools to compress and convert images, make QR codes, create invoices and notes, and preview fonts. Pick a category or search.
New & Noteworthy
Recently added tools, all free and private in your browser.
Calculators
Every calculator shows its formula, a worked example and step-by-step results.
Dates & Time
About these tools →Ages, gaps between dates, working days and shift hours.
Percentages & Pricing
About these tools →Increases, discounts, reverse maths and pack comparisons.
Business & Freelance
About these tools →Margins, break-even points and rates that cover your goals.
Savings & Loans
About these tools →Grow savings, project interest and pay debt off sooner.
Tax & VAT
About these tools →UK take-home pay and VAT worked out with current official rates.
Everyday & Health
About these tools →Tips, bill splitting and body mass index in seconds.
Study, Learn & Astrology
A quiz that tests your maths and science, a grade planner for your next exam, and your Big Three astrology signs.
Image, QR & creator tools
Compress and convert images, make QR codes, create invoices and notes, and preview fonts. Files are processed in your browser.
Compress & Resize
About these tools →Make images lighter or exactly the size you need.
Image Converters
About these tools →Switch between JPG, PNG and WebP in one click.
QR Codes
About these tools →Create QR codes and read them from any image.
Create & Design
About these tools →Invoices, notes images and Google Fonts.