How to get the most out of the free tools on this site.
A practical tour of Pyalm's free dilution, SaaS metrics, MRR, dimensional weight, freight allocation, and safety-stock calculators.
You don't need a design tool to create a company seal. Here's how to build a round or rectangle stamp online, what to put on each, and how to export it with a transparent background.
Copied an icon and ended up with a block of SVG markup instead of a file? Here's how SVG and PNG differ, when to use each, and how to turn pasted SVG code into a usable image in your browser.
Length beats complexity, uniqueness beats cleverness, and a manager beats your memory. Here's how to create passwords that actually resist cracking — and how to test the ones you already use.
A hash turns any input into a fixed-length fingerprint that can't be reversed. Here's what hashing is for, how MD5, SHA-1 and SHA-256 differ, and which you should actually use.
A JWT is three Base64 chunks separated by dots — a header, a payload of claims, and a signature. Here's how to read one, what each part means, and why decoding is not the same as trusting.
Base64 turns binary data into plain text so it can travel through systems that only handle text. Here's how it works, why it's not encryption, and the everyday places you'll meet it.
When the QR code is already on your screen, pointing a phone camera at it is awkward. Here's how to read a QR code straight from an image file or screenshot on your computer.
A Systematic Investment Plan turns small monthly investments into long-term wealth through compounding. Here's how to use a SIP calculator to project your maturity value.
Zakat is 2.5% of your qualifying wealth held for a lunar year. Here's what counts, what doesn't, and how to calculate it correctly.
CAC is what it costs to win one new customer. Here's how to calculate it, why the LTV:CAC ratio matters, and how to bring CAC down.
CLV tells you how much a customer is worth over their whole relationship with you. Here's the formula and how it sets your acquisition budget.
GOSI contributions in Saudi Arabia differ for Saudi and non-Saudi employees. Here's how the rates work and how to calculate them for payroll.
Saudi Arabia's standard VAT rate is 15%. Here's how to add it, extract it from a gross price, and stay ZATCA-compliant.
Attrition rate measures how many employees leave. Here's how to calculate it, what counts as healthy, and what high turnover is really costing you.
Should you pick the new or old tax regime? Here's how India's income tax slabs, standard deduction, 87A rebate, and cess work — and how to compare.
TDS rates differ by payment type and section. Here's how Tax Deducted at Source works and how to find the net amount payable.
File your GST return late and you owe both a daily late fee and 18% annual interest on tax due. Here's how each is calculated.
Good SKUs make inventory faster to manage and harder to mess up. Here's how to design a SKU scheme and generate consistent codes for free.
India's GST has five slabs and splits differently for intra-state and inter-state sales. Here's how to calculate it correctly — with a free tool that shows every split.
The UK's standard VAT rate is 20%, with a 5% reduced rate for some goods. Here's how to add VAT and extract it from a gross price.
UK corporation tax is 19% up to £50,000 of profit and 25% from £250,000, with marginal relief tapering in between. Here's how it works.
The reorder point tells you exactly when to place a new order. Here's the formula, how lead time and safety stock fit in, and a worked example.
Inventory turnover shows how fast you sell and replace stock. Here's how to calculate it, what 'days inventory' means, and how to free up trapped cash.
A simple compounding forecast turns your current revenue and growth rate into a forward plan. Here's how it works and how to use it without fooling yourself.
Commission motivates sales teams — if it's calculated right. Here's the basic maths, common structures, and how to model what's left for the business.
CSAT is the simplest way to track how happy customers are. Here's how to calculate it, what counts as a 'satisfied' response, and how it differs from NPS.
An uptime SLA sounds reassuring until you convert it to real downtime. Here's what each 'nine' means in minutes and hours, and how to read an SLA.
Knowing your cost per support ticket reveals where to invest in efficiency. Here's the formula and the levers that bring it down.
NPS measures customer loyalty in a single number from −100 to +100. Here's how to calculate it from promoters and detractors, and what a good score looks like.
Not all barcodes are the same. Here's which symbology to use for retail, cartons, and internal labels — and how to generate any of them for free.
QR codes connect the physical and digital worlds in one scan. Here's where they shine, the difference between static and dynamic, and how to generate one free.
UAE Tatmeen tracks pharmaceuticals with a GS1 DataMatrix carrying GTIN, serial, batch, and expiry. Here's what each field is and how to generate a test code.
Free-of-Cost deals should be simple — but calculating exact whole-pack quantities without decimal packs is surprisingly tricky. Here is how the FOC Pack Calculator solves it.