JSON Formatter
Format, validate, minify, or sort JSON data with configurable indentation. Instantly check for syntax errors, view node count and nesting depth — free, no sign-up required.
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QuickTools
A growing collection of free, fast tools for developers, designers and everyday power users.
Category Hubs
Browse all categories →🧩5 tools
Developer
Start with JSON Formatter and QR Code Generator.
🔐1 tools
Encoding
Start with URL Encoder / Decoder.
🆔1 tools
Generator
Start with Lorem Ipsum Generator.
📝10 tools
Basic Text
Start with Word & Character Counter and Character Counter.
🔠9 tools
Text Formatting
Start with Remove Extra Spaces Tool and Remove Line Breaks Tool.
✍️10 tools
Grammar & Editing
Start with Grammar Checker and Spelling Checker.
Popular Tools
View full index →QR Code Generator
Generate QR codes for URLs, text, Wi-Fi credentials, vCards, and more. Customise foreground and background colour, error correction level, margin, and download as SVG or PNG — free and instant.
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BMI Calculator
Calculate your Body Mass Index, healthy weight range and ideal weight using metric or imperial units.
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Calorie Calculator
Estimate daily calorie needs based on age, gender, height, weight and activity level using Mifflin-St Jeor, Harris-Benedict or Katch-McArdle formulas.
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Currency Calculator
Estimate foreign-exchange results using a reference or custom rate, provider margin, and flat fee. Compare amount received, total source cost, all-in rate, and target receive planning across major currencies.
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Finance Calculator
Review monthly cash flow, savings rate, debt-to-income ratio, emergency-fund coverage, and savings-goal timing from one personal finance snapshot.
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Interest Rate Calculator
Estimate the implied annual interest rate from a loan amount, repayment term, and monthly payment. Includes total payments, total interest, amortization trend, and principal vs interest breakdown.
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How Much House Can I Afford?
Estimate the maximum home price that fits your income, existing monthly debts, down payment, mortgage rate, taxes, insurance, HOA costs, and PMI assumptions.
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