License Key Generator - Online Serial & Product Code Maker
Generate random license keys or serial numbers in various formats (XXXX-XXXX-XXXX). Useful for software activation testing. Local generation.
UD5 Toolkit
Choose your trip type, set details, and get a smart packing checklist instantly
Select a trip type above to generate your packing checklist
Generate random license keys or serial numbers in various formats (XXXX-XXXX-XXXX). Useful for software activation testing. Local generation.
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
Fill in bio, skills, projects to generate a clean HTML portfolio page. Copy the code. Local builder.
Generate the next sequential invoice number with optional prefix and date stamp. Keep track locally or export.
Generate random, secure coupon codes with a prefix. Choose length and character set. Perfect for store admins. All local.
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Upload a logo to embed in the center of a QR code. High error correction so it still scans. Download PNG/SVG.
Design a custom counter style with symbols, range, and speakβas. Preview ordered lists with your new style. Export the CSS rule.
Design custom unordered and ordered lists with images, strings, or counters. Preview and copy the CSS.
Generate cryptographic key pairs using the Web Crypto API. Export as JWK or raw. No server needed; pure security.
Add items with category, color, season. Plan outfits. Drag and drop. Stored locally.
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
Get a clean, commented JS plugin skeleton with IIFE or ES module pattern. Start your new library faster.
Drag items into grid cells and see the resulting gridβarea or lineβbased placement code. Learn how autoβplacement and spanning work.
Upload multiple SVGs and combine them into a single SVG sprite sheet with `<symbol>` and `<use>`. Fast icon system.
Generate encrypted passwords for .htaccess basic authentication. Create .htpasswd entries using bcrypt, MD5, or SHA. Server admin utility, local compute.
Create XID identifiers that are globally unique, timeβbased, and MongoDB ObjectID compatible. Copy or download a batch.
Build a basic Nginx server block for a static site, reverse proxy, or PHP. Fill in the blanks and copy the config.
Build Apache mod_rewrite rules for redirects or clean URLs. Fill in simple fields and get the .htaccess code.
Generate a complete <head> section with meta charset, viewport, SEO, favicon, and social tags. Customize and copy.
Convert a JSON array of strings or numbers into a singleβcolumn CSV. Quick data dump. Local.
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browserβs TTS engine. Learn SSML.
Fill in container image and ports. Generate a Deployment and Service YAML with best practices. Start your K8s journey.
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Design a custom analog clock face by choosing colors, hands, and numbers. Download as SVG or PNG. For craft or UI design.
Convert JSON data structures to clean, human-readable YAML. Indentation and formatting preserved. All processing done locally for your privacy.
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
Record audio from your microphone and export as a WAV file. Monitor levels. Processed entirely in your browser.
Generate random numbers and watch the live histogram. Compare uniform, normal, and exponential distributions.
Write a note encrypted with a passphrase, share the link. Once opened and decrypted, the note is deleted from browser storage. Local only.