Tools

Free online NSLookup tool to check DNS records for any domain or IP address

Generate accurate chemical formulas from element names or symbols with this free online tool.

A free online tool to compute rhombus measurements such as area, perimeter, diagonals, and angles for students and professionals.

Check documents for plagiarism with UWI Turnitin-style similarity detection

Calculate your net income after taxes with this easy-to-use online calculator.

Advanced scientific calculator with trigonometry, logarithms, exponents, memory, and history.

Analyze disk space usage on Ubuntu systems. Upload 'du' command output or enter directory paths to visualize storage consumption.

Generate customizable audio tones with frequency, waveform, duration, and volume controls.

Estimate health risks and quitting timelines with our free online smoking calculator designed for individuals and health professionals.

Convert brake horsepower (BHP) to horsepower (HP) instantly with our accurate online calculator.

Quickly assess visual quality with our free online VQ calculator designed for industry professionals and quality analysts.

Upload and validate CSV files for syntax errors, column consistency, duplicates, and data integrity.

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