QR code generator
Create free QR codes for links, text, Wi-Fi, email, phone, and SMS. Customize colors and size, then download PNG or SVG. No sign-up, no expiry.
Generate random UUID v4 or time-ordered UUID v7 identifiers in bulk. Copy or download as text, with uppercase and no-hyphen options.
Generate UUIDs (also called GUIDs) in bulk. Choose version 4 for fully random IDs or version 7 for time-ordered IDs that sort well as database keys.
.txt fileIDs are generated locally using the browser's secure random generator.
UUID generator is a free online tool on ReallyUseful.Tools. No account is required.
UUID generator is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
Create free QR codes for links, text, Wi-Fi, email, phone, and SMS. Customize colors and size, then download PNG or SVG. No sign-up, no expiry.
Generate strong, random passwords and passphrases using your browser's secure random generator. Choose length and character sets.
Create and download professional invoice PDFs for free. Add line items, tax, discounts, and your logo — no sign-up, saved only in your browser.
Create barcodes in Code 128, EAN-13, UPC-A, EAN-8, Code 39, ITF-14, and Codabar. Download as PNG or SVG for labels and products.
Create a complete favicon set from an image, text, or emoji: favicon.ico, PNG sizes, Apple touch icon, Android icons, and the HTML to paste in.