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Explore 86 free tools for PDFs, images, contacts, calculations, SEO, and development.
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Featured tools
A few useful places to start.
Barcode Generator
Generate Code 128, Code 39, EAN-13, UPC-A and other barcodes instantly in your browser.
Open tool →Business ToolsQR Code Generator
Create private QR codes for text, URLs, Wi-Fi, email, phone, and SMS directly in your browser.
Open tool →Contact ToolsCSV to vCard Converter
Convert a contact CSV into a vCard file for iPhone, Android, and other contact apps.
Open tool →Contact ToolsvCard to CSV Converter
Convert VCF and vCard contact files into an editable CSV directly in your browser.
Open tool →More tools to explore
A few more focused tools from the collection.
Age Calculator
Calculate completed years, months, and days between a birth date and a chosen date.
Open tool →Calculator ToolsAdult BMI Calculator
Calculate an adult BMI estimate from metric or U.S. customary height and weight.
Open tool →Calculator ToolsLoan Payment Calculator
Estimate a fixed-rate loan's monthly payment, total paid, and total interest.
Open tool →Developer ToolsText Diff Checker
Compare two texts and spot added, removed, and edited lines with word or character highlights. Your text stays in your browser.
Open tool →Practical guides
A little context for your next task
Short checklists explain what a tool can do, what it cannot decide, and what to review before sharing or publishing.