Filter Numbers

Extract specific numbers from a list based on custom rules and conditions.

Rules

Clean Your Data Sets

Analyzing a messy list of numbers? Use our Filter Numbers tool to instantly extract even/odd values, remove duplicates, or find numbers within a specific range. Perfect for Data Science, spreadsheets, and homework checking.

Smart Filtering Options

Range & Comparison

Keep only numbers greater than X or less than Y. Great for filtering out outliers.

De-Duplication

One click to remove all duplicate entries from your list, keeping only unique values.

Format Cleaning

We automatically strip non-numeric characters (like text or symbols) so you get a clean number list.

How It Works

The Filter Numbers runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.

  • No server interaction – data never leaves your device
  • Instant results since there is no network latency
  • Works offline once the page is loaded
  • Free to use with no usage limits

How to Use

1

Paste Numbers

Enter your raw list of numbers separated by commas, spaces, or lines.

2

Set Rules

Define your criteria: Greater/Less than, Range, or Even/Odd.

3

Filter

Get your clean, filtered list instantly.

Frequently Asked Questions

Does it accept decimals?
Yes, it parses floating-point numbers correctly.
What about negative numbers?
Negative numbers are supported and obey all filter rules (e.g. -5 < 0).

Related Tools

The Filter Numbers is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.