Calculate audiobook listening time with our free audiobook speed calculator.

Easily convert your JSON document into a CSV document.

Calculate the full duration of any YouTube playlist. Enter a link and view how long it takes to watch at various speeds.

Check open ports on any IP address or domain name with our free online Port Checker tool.

This free URL Encoder lets you safely encode text or data into a valid URL format

This free URL Decoder lets you instantly decode any percent-encoded or encoded URL back into readable text

This free JSON Unescape Tool helps you quickly convert escaped JSON strings back into a normal, readable format.

This free JSON Escape Tool helps you clean up your JSON strings by escaping them so they're safe, readable, and won't break anything when used in code.

Our Percentage Calculator allows you to quickly calculate percentages, be it reverse percentage or change in percentage.

Our Reverse Percentage Calculator helps you easily find original values before a percentage increase or decrease, such as discounts, taxes, or markups.