# Algorithm Visualizer

5 Hacker News commenters recommended Algorithm Visualizer and 0 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** Free tool that animates sorting algorithms, praised for how clearly it shows them running on large arrays and for its value to people learning.

## Why people recommend it

- Looks very cool on large arrays (1 comments): "It looks very cool on large arrays." ([source](https://news.ycombinator.com/item?id=47514776))
- Valued as a service to humanity (1 comments): "Work like this does a great service to humanity." ([source](https://news.ycombinator.com/item?id=47523694))
- Loved and thanked by visitors (1 comments): "Love it, thank you for this." ([source](https://news.ycombinator.com/item?id=47512711))

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## Cite as

Hacker Approved, "Algorithm Visualizer", https://hackerapproved.com/p/algorithm-visualizer/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).