Miscellaneous Tools FAQ: Common Questions Answered

Creating a QR code takes seconds: enter the URL, text, phone number, or contact information, and a QR code is generated instantly. Download it as a PNG or SVG for print or digital use. No sign-up required. Generate a free QR code here.

A barcode is one-dimensional — it stores data in parallel lines of varying widths, holding up to ~80 characters. A QR code is two-dimensional — its grid of squares can hold up to 7,000 characters. Barcodes are widely used in retail and logistics; QR codes excel at storing URLs and are scannable by any smartphone. Generate barcodes for free here.

Your public IP address is the address assigned to your network by your internet service provider, visible to any server you connect to. Your private IP is your device's address on the local network. You can find your public IP instantly without any tools — just visit a site that reports it. Find your IP address with our free tool.

Time zones are based on UTC (Coordinated Universal Time) offsets. New York is UTC-5 (EST) or UTC-4 (EDT during daylight saving). London is UTC+0 (GMT) or UTC+1 (BST). To convert, add or subtract the hour offset. Convert between any time zones with our free tool.

The most common barcode formats are: EAN-13 (retail products worldwide), UPC-A (retail in North America), Code 128 (logistics and shipping), Code 39 (older industrial use), and QR Code (URLs and two-dimensional data). Choose based on your industry requirements. Generate any barcode type for free.