Developer Tools Calculators

Explore 9+ ultra-fast, highly accurate calculators for your specific investments, loans, and daily tasks.

Developer Tools

Download high-quality (HD, 4K) thumbnails from any YouTube video instantly. Free YouTube cover image grabber.

Free online JSON formatter, beautifier, and validator. Paste your JSON to format, minify, or validate with syntax highlighting and error detection.

Convert colors between HEX, RGB, HSL formats instantly. Color picker, complementary colors, shades, and palette generation.

Encode text to Base64 or decode Base64 to text instantly. File upload support, image preview, and data URL generation.

Create highly customizable, non-expiring QR Codes for URLs, Text, Wi-Fi, WhatsApp, SMS, Email, and Phone Numbers. Download free high-res QR codes.

Calculate IPv4 network address, broadcast address, usable host ranges, and subnet masks from IP and CIDR.

Convert Markdown text to HTML instantly with live preview. Copy the generated HTML code for your website.

Generate bulk random Version 4 UUIDs (Universally Unique Identifiers) instantly. Free developer tool.

Free URL Encoder and Decoder. Safely encode special characters for URLs (Percent-encoding) or decode encoded URI strings instantly.