All JavaScript Tools
Explore the current tool library for QR codes, random values, UUIDs, invoices, and implementation guides. Each page is built to solve a specific JavaScript workflow without forcing a signup first.
QR
Create QR codes online for text, URLs, WiFi, and contact cards. Includes browser, React, and Node.js implementation guidance.
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Upload a logo, keep a safe overlay size, and download a branded QR code PNG directly in your browser.
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Generate secure random strings for passwords, tokens, slugs, and test data with flexible output formats.
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Create professional invoices online and export them as PDF with printable layouts and implementation references.
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Generate UUIDs online for JavaScript and Node.js workflows, including copy-ready output and version guidance.
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Review Math.random(), range formulas, secure randomness, and implementation examples in one place.
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