Sorting Visualiser
Watch sorting algorithms work step by step, animated.
Seeing algorithms in motion
Sorting algorithms put a list in order, and there are many ways to do it, each with a different strategy. This animates them step by step, so you can watch how each algorithm actually sorts and see why some are faster than others.
Choose an algorithm and watch it sort.
Why watching beats reading
Sorting algorithms are a cornerstone of learning computer science, and seeing them animated makes their differences vivid in a way descriptions cannot. You can watch a simple algorithm laboriously bubble values into place, and a clever one divide the problem and conquer it far faster, and the contrast makes the idea of algorithmic efficiency concrete — some approaches take dramatically fewer steps as the list grows. The animations reveal the strategies: which compare neighbours, which pick pivots, which merge sorted pieces. This is genuinely how the intuition for why algorithm choice matters gets built, since the same task done two ways can differ enormously in speed. For learners, watching the process is one of the clearest routes into understanding both sorting specifically and algorithmic thinking generally.
Common questions
Why watch sorting algorithms animated?
Because seeing them makes the differences vivid — you watch a slow algorithm laboriously swap values and a clever one divide and conquer far faster.
What do the animations teach?
The strategies behind each algorithm and the concept of efficiency — why some approaches take dramatically fewer steps as the list grows.
Is anything uploaded?
No. The visualisation happens in your browser.