Free Online Tools
A curated, link-friendly directory of every free tool on MerQPrime — finance, business, developer, image, SEO and text utilities. All run in your browser with no sign-up.
Authority hubs
Business Tools for India — Calculators, Invoices & QR PaymentsDeveloper Tools — Free Online Utilities for CodersFinance Tools for India — Free Online CalculatorsGST Tools for India — Calculators, Invoices & Tax GuidesInvestment Tools for India — SIP, FD, RD & PPF CalculatorsSEO Tools — Meta Tags, Open Graph & Schema Generators
Business Tools
View category- QR Code GeneratorCreate custom QR codes for text, URLs, email, phone numbers and WiFi, then download as PNG.
- GST CalculatorAdd or remove GST across all Indian slabs with a clear CGST/SGST breakdown.
- UPI QR Code GeneratorCreate your UPI QR code online — convert UPI ID to a scannable payment QR for GPay, PhonePe, Paytm and every UPI app.
- EMI CalculatorCalculate monthly EMI, total interest and full repayment for any loan in India.
- SIP CalculatorEstimate mutual fund SIP returns, invested amount and future value over time.
- Percentage CalculatorFind X% of Y, percentage increase, decrease and difference between two values.
- Age CalculatorFind your exact age from date of birth in years, months and days.
- Unit ConverterConvert length, weight, temperature, area, volume and speed units instantly.
- FD CalculatorCalculate fixed deposit maturity amount, interest earned and effective yield for Indian banks.
- RD CalculatorCalculate recurring deposit maturity value and total interest for monthly RD instalments in India.
- PPF CalculatorCalculate PPF maturity amount, interest earned and year-by-year growth for annual deposits.
- HRA CalculatorCalculate tax-exempt HRA under Indian income tax rules for metro and non-metro cities.
- Loan CalculatorCalculate loan EMI, total interest, processing fees and full repayment for any Indian loan.
- Discount CalculatorCalculate discount amount, final sale price and savings from percentage or flat discounts.
- Profit Margin CalculatorCalculate gross profit, margin percentage and markup from cost and selling price.
- Break-even CalculatorCalculate break-even point in units and revenue from fixed costs, price and variable cost.
- Invoice GeneratorCreate professional invoices with line items, totals and print-ready layout — free, no sign-up.
- GST Invoice GeneratorCreate GST-compliant invoices with tax breakdown, HSN and print-ready format for India.
Developer Tools
View category- Password GeneratorCreate strong, random passwords with adjustable length and character options, plus a strength meter.
- UUID GeneratorGenerate one or many RFC 4122 version 4 UUIDs and copy them instantly.
- JSON Formatter & ValidatorBeautify, validate and minify JSON with clear error reporting.
- Base64 Encoder / DecoderEncode and decode Base64 for text and files, with full Unicode support.
- Timestamp ConverterConvert Unix timestamps to human-readable dates and back.
- Regex TesterTest regular expressions against sample text with live match highlighting.
- URL EncoderPercent-encode text and URLs for safe use in query strings and paths.
- URL DecoderDecode percent-encoded URLs and query strings back to readable text.
- MD5 GeneratorGenerate MD5 hashes from text or files for checksums and lookups.
- SHA-256 GeneratorGenerate SHA-256 hashes from text or files for secure checksums.
- JWT DecoderDecode and inspect JWT header and payload without verifying signatures.
- SQL FormatterFormat and beautify SQL queries with consistent indentation and casing.
- XML FormatterFormat, validate and minify XML with clear error reporting.
- CSV to JSON ConverterConvert CSV data to JSON arrays with configurable delimiter options.
- JSON to CSV ConverterConvert JSON arrays to CSV for spreadsheets and data exports.
- Text Diff CheckerCompare two text blocks side by side and highlight additions and deletions.
- Color ConverterConvert colors between HEX, RGB, HSL and other formats instantly.
Image Tools
View categorySEO Tools
View category- XML Sitemap GeneratorTurn a list of URLs into a valid XML sitemap and download it instantly.
- Meta Tag GeneratorGenerate essential HTML meta tags for title, description and robots.
- Open Graph GeneratorGenerate Open Graph meta tags for rich social media link previews.
- Schema Markup GeneratorGenerate JSON-LD structured data for rich search results.
Text Tools
View category- Word CounterCount words, characters, sentences and estimate reading time instantly.
- Case ConverterConvert text to uppercase, lowercase, title case, camelCase and more.
- Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text by words, sentences or paragraphs.
- Slug GeneratorTurn titles into clean, SEO-friendly URL slugs automatically.
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