Quickly check if your web URLs follow proper structure. Supports HTTP, HTTPS, localhost, port numbers, and common query string formats.
Install our lightweight desktop app to run this tool (and many more) right from your system. Fast, secure, and private — organize your workflow with only the tools you actually need.
Paste your JSON and validate its format. Instantly spot missing commas, brackets, or malformed structures.
Test your XML string for structural correctness. Ideal for feed validation and backend integration debugging.
Quickly check if an email address matches the correct format using regex. Great for form testing and validation.
Enter a card number and verify it with Luhn's checksum. Works with Visa, MasterCard, and other common patterns.
Check if your color codes are valid. Supports HEX (#fff, #ffffff), RGB, and HSL formats for CSS styling.
Check if a website includes valid favicons in supported formats and sizes. Great for audits, branding, and consistency.
Instantly verify if one or more URLs are syntactically correct. This tool uses a forgiving but strict-enough regular expression pattern to test most valid web addresses.
Tired of bloated tool websites with 10 ads per click? This platform is built for speed, simplicity, and reliability. Whether you're debugging JSON or testing colors, we’ve got your back.
All tools run right in your browser, fast, reliable, and available whenever you need them. No ads, and nothing to install.
Most of my tools work directly in your browser without needing a server. Perfect for fast workflows (even if you’re offline).
Made by someone who actually uses these tools daily. It’s fast, clean, and made with your workflow in mind, not corporate KPIs.