Free Tools and Calculators

Quick, free tools for writers, marketers, founders and students. Everything runs in your browser, so nothing you type is sent to us.

What each tool does

Word counter: Count words, characters, sentences and reading time.
AI token estimator: Estimate tokens and prompt cost before you call an AI model.
Case converter: Switch text to upper, lower, title or sentence case, or a URL slug.
Password generator: Make strong random passwords in your browser.
ROI and ROAS calculator: Check if your ad spend pays back, and your break-even point.
EMI calculator: Monthly instalment, total interest and total payment on a loan.
SIP calculator: See what a monthly investment could grow to.
GST calculator: Add or remove GST and see the CGST and SGST split.
Percentage calculator: Percent of a number, share of a total and percent change.
Discount calculator: Final price and savings after one or two discounts.
Age calculator: Exact age in years, months and days, and days to your birthday.
BMI calculator: Body mass index and the healthy weight range for your height.

Results are estimates for information only. They are not financial, tax, legal or medical advice.

We accept paid guest posts in Tech, AI, Business, How To, Education and Digital Marketing. Message us on WhatsApp to get started.