Big-O Notation Calculator

Paste a JavaScript snippet to get a rough heuristic estimate of its time complexity based on nested loops.

O(1) This is a highly simplified heuristic based on detecting keywords.

Complexity Cheat Sheet

Algorithm Time (Average) Space
Hash Table LookupO(1)O(N)
Binary SearchO(log N)O(1)
Linear SearchO(N)O(1)
Merge SortO(N log N)O(N)
Quick SortO(N log N)O(log N)
Bubble / Insertion SortO(N^2)O(1)

What is the Big-O Notation Calculator?

Paste a JavaScript snippet to get a rough heuristic estimate of its time complexity based on nested loops.

Our Big-O Notation Calculator is a free, browser-based utility designed to be fast, secure, and easy to use. Because it runs locally, your data never leaves your device.

How to Use the Big-O Notation Calculator

  1. Input: Paste or type your data into the relevant input field.
  2. Process: The tool will automatically process your data in real-time, or you can click the action button to trigger it.
  3. Output: Copy the formatted result from the output field. It's that simple!

Why use CoderSwiss Big-O Notation Calculator?

  • 100% Private: We don't use server-side processing. Your data stays on your machine.
  • Lightning Fast: No network latency means instant results.
  • Developer Friendly: Built by developers, for developers, with a clean UI and dark mode support.