All Tools

Generate an EAN-13, EAN-8, UPC-A, Code 128, or Code 39 barcode from a value and download it as an SVG. Free, instant, browser-based.

Generate a CSS clamp() value that scales font size or spacing smoothly between two viewport widths, with a live preview and size table.

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes or HMACs of text or files at once, and verify a checksum. Runs in your browser.

Generate strong random passwords or memorable passphrases, with every chosen character type included, and check any password's strength in your browser.

Free QR code generator for URLs, text, Wi-Fi, contacts and more. Add colors, a logo and a caption, then download PNG or SVG, all in your browser.

Generate a 2048- or 4096-bit RSA key pair in PEM format for signing or encryption, entirely in your browser.

Generate random v4 or time-ordered v7 UUIDs in bulk, with hyphen, case, and brace options, and inspect any UUID's version and timestamp.

Generate HTML meta tags for your website. Optimize SEO, Open Graph (OG), and Twitter Cards layout with a live HTML preview. Free, client-side, instant.

Generate JSON-LD structured data markup for rich search results. Supports Article, LocalBusiness, Product, FAQ, BreadcrumbList, and more.

Generate a valid XML sitemap from your list of URLs. Set priority and change frequency per URL, then download or copy the finished sitemap.xml file.

Generate platform-tagged campaign links with QR codes for every channel in one pass — YouTube, Instagram, TikTok, and more — entirely in your browser.

Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words — for mockups, layouts, and drafts — entirely in your browser.

Generate random strings with a custom length and character set — for test data, placeholder IDs, and sample values — entirely in your browser.

Generate one or more random numbers within a range, with or without duplicates. Free, uses your browser's cryptographic RNG.