Guides, formulas, and tips for every free tool on ToolNish
The ToolNish Blog covers every tool on our platform in detail — how each one works, the formulas behind it, step-by-step usage instructions, and tips to get the most accurate results. Whether you're a student, professional, or business owner, these guides help you use our calculators, PDF generators, and utilities more effectively.
Learn the BMI formula, health categories, and how to calculate your body mass index correctly.
Read GuideFormulas for percentages, increases, and decreases — with everyday examples and use cases.
Read GuideEstimate monthly mortgage payments and understand the factors that affect your home loan.
Read GuideSee how savings and investments grow over time with the compound interest formula explained.
Read GuideCalculate Zakat on savings, gold, and silver accurately using the Nisab threshold.
Read GuideConvert length, weight, temperature, speed, and volume units quickly and accurately.
Read GuideUnderstand the EMI formula and plan your loan repayments before you borrow.
Read GuideCalculate your CGPA with the weighted average formula and common grading scales.
Read GuideCreate QR codes for links, text, and contact details — and learn what you can encode.
Read GuideScan QR codes instantly using your camera or an uploaded image, right in your browser.
Read GuideMessage any WhatsApp number instantly without saving it to your contacts first.
Read GuideAdd GPS location, date, and time stamps to photos for field work and documentation.
Read GuideGenerate structured Penalty PPT documents quickly with auto-filled, professional formatting.
Read GuideCreate BA PPT documents in a standardized layout for business or professional use.
Read GuideGenerate official BDA documents in PDF format, ready for submission or printing.
Read GuideBuild HS&CO documents in PDF format using a ready-made, professional layout.
Read GuideGenerate SPA documents in PDF format quickly, with consistent professional formatting.
Read GuideCreate SLWMC PDFs for personal or professional use in just a few clicks.
Read GuideBuild structured trade and compliance PDF forms using the TCP Performa tool.
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