Generate random coupon/discount codes with customizable pattern using X as placeholder for random characters. Everything runs locally in your browser — nothing is uploaded.
Generate random TCP/UDP port numbers from well-known, registered, or dynamic ranges. Useful for network testing, Docker port mapping, and firewall configuration.
Decode QR codes from uploaded images. Scan any QR code image and extract the embedded text or URL.
Generate cryptographically secure random tokens in hex, base64, or alphanumeric format. Perfect for API keys, session tokens, and secrets. Everything runs locally in your browser — nothing is uploaded.
Generate cryptographically secure random strings with customizable length, count, and character sets (uppercase, lowercase, digits, symbols).
Generate random sentences from a curated word list, useful for placeholder text and content generation. Everything runs locally in your browser — nothing is uploaded.
Coupon Code Generator lets you generate random coupon/discount codes with customizable pattern using X as placeholder for random characters. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate random coupon/discount codes with customizable pattern using X as placeholder for random characters. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, Coupon Code Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Generate random coupon/discount codes with customizable pattern using X as placeholder for random characters. Everything runs locally in your browser — nothing is uploaded. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
Serial Number Generator
Generate serial numbers with configurable format patterns using X (hex), 9 (digit), and A (alphanumeric) placeholders. Everything runs locally in your browser — nothing is uploaded.
License Key Generator
Generate license keys in custom formats with configurable character sets, segment separators, and prefix/suffix options. Everything runs locally in your browser — nothing is uploaded.