● STATUS: READY
XPath & CSS Selector Tester
Paste any HTML, enter an XPath expression or CSS selector, and instantly see all matching elements highlighted with their count. Essential for QA engineers and web scraping developers.
Launch Tool →● STATUS: READY
Retail Profit Margin Calculator
Enter cost price and selling price to instantly calculate gross profit, profit margin %, and markup. Includes full input validation, loss detection, and break-even display.
Launch Tool →● STATUS: READY
JSON Formatter & Validator
Paste raw JSON to instantly format, validate, and syntax-highlight it. Get precise error messages on invalid JSON. Also supports minification with space savings metrics.
Launch Tool →● STATUS: READY
IP Subnet Calculator
Enter an IP address and CIDR prefix to calculate Network Address, Broadcast, Subnet Mask, Wildcard Mask, and usable host count — with full binary notation.
Launch Tool →