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PineTools is a collection of free online tools across math, colours, text, numbers, dates, images, randomness, programming, and video — a multi-category Swiss Army knife.
Computes the arithmetic mean of a list of numbers.
Simple browser-based calculator for arithmetic operations.
Adjusts the brightness of an image.
Flips an image horizontally and/or vertically.
Inverts a colour to its complementary value.
Lightens a chosen colour by a specified amount.
Beautifies and validates JSON documents.
Joins multiple files back into a single original file.
Sorts a list of items in reverse order.
Trims text to a chosen maximum length.
Encodes files or text into Base64.
Browser-based countdown timer with audible alarm.
Calculates the difference between two dates or times.
Generates a sequence of numbers with chosen start, end, and step.
Formats HTML source for readability.
Randomly arranges the items of a list.
Generates strong random passwords.
Calculates percentages of numbers and percentage differences.
Generates random numbers within a chosen range.
Records the contents of your screen as a video file.