Tools

Edit PDF files online for free. Add text, annotations, highlights and download edited PDF instantly.

Draw and sketch online with a full-featured digital canvas, multiple brush sizes, color palette, and export options.

An easy-to-use online calculator for engineers and safety professionals to determine pressure vessel safety and compliance based on key parameters.

Convert images to HD quality in various formats with adjustable settings

Convert letters to numbers instantly with multiple encoding options including A=1, A=0, and ASCII.

Convert DAV video files to AVI format quickly and easily with our free online converter tool.

Convert between decimal numbers and IEEE 754 floating-point representation (32-bit or 64-bit) with detailed binary and hexadecimal breakdowns.

Convert MIDI files to MP3 audio format with customizable quality settings. Free online tool with instant conversion.

Check the Internet Service Provider (ISP) for any IP address instantly

Calculate voltage, current, resistance, and power using Ohm's Law with this free online electrical calculator.

Create professional invoices instantly with this free online tool. Add items, calculate totals, and download as PDF.

An online calculator with a dedicated π button for easy mathematical calculations.

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