Skip to content

Line Deduplicator

Text & Code · Free Online Tool

Remove duplicate lines, keep first or last occurrence.

By EZ4Code Team

This tool runs interactively in your browser. Please visit ez4code.com/tools/line-deduplicator to use it.

How to Use Line Deduplicator

  1. 1Enter or paste your text or code into the input area.
  2. 2Choose the desired operation (format, convert, analyze, etc.).
  3. 3Click the action button to process.
  4. 4Copy the result from the output area.

Features

  • ✓100% free — no signup, no subscription, no ads
  • ✓Runs entirely in your browser — data never leaves your device
  • ✓Fast and lightweight — instant results
  • ✓Cross-platform — works on desktop, tablet, and mobile

Frequently Asked Questions

Can I format code in different styles?

Yes, the SQL Formatter and other code tools support multiple formatting options and indentation styles.

Is regex testing case-sensitive?

The Regex Tester supports case-sensitive and case-insensitive matching, along with global and multiline flags.

Related Tools

Text Counter

Count characters, words, lines, paragraphs.

Text Cleaner

Remove extra spaces, blank lines, and breaks.

Case Converter

Convert to UPPER, lower, camelCase, snake_case.

Markdown Previewer

Preview Markdown rendered as HTML in real time.

HTML ↔ Markdown

Convert between HTML and Markdown.

Code Diff

Compare two text snippets and highlight differences.