☰

Line Tools

Sort, deduplicate, reverse, and clean lines of text instantly. Everything runs in your browser · no server, no tracking.

Text Tools Runs locally No data sent
sort lines remove duplicates reverse lines trim whitespace client-side only
Input
0 lines
Output
0 lines
💡
Click any operation button to process the input immediately. Remove Duplicates keeps the first occurrence and is case-sensitive. Trim Each Line removes leading and trailing spaces/tabs from every line without changing line order. Operations do not modify the input —result always goes to the Output panel.

What is Line Tools?

Line Tools processes one-item-per-line text lists. It can sort, deduplicate, reverse, shuffle, filter, and trim lines, which makes it useful for keyword sets, exports, logs, and bulk text cleanup.

How to Use Line Tools

  1. Paste a list with one item per line.
  2. Choose the line operation you want to apply.
  3. Review the transformed result instantly.
  4. Copy the processed list when it looks right.

Related Tools

📝
Word Counter
Count words, characters, and estimate reading time
 🔤
Text Case Converter
Convert text between camelCase, snake_case, PascalCase and more
 🔍
Text Diff Viewer
Compare two texts and highlight differences line by line
Understand Line Tools ▾
Example
Input Input:
Output After Deduplicate + Sort A→Z:
Common Use Cases
  • Deduplicate email lists, tags, or keyword sets
  • Sort values before comparing or importing them elsewhere
  • Clean logs or line-based exports from command-line tools
  • Reverse, shuffle, or filter one-item-per-line lists
Available Operations
  • Sort A-Z / Z-A
  • Deduplicate repeated lines
  • Filter matching lines
  • Reverse order
  • Shuffle items
  • Trim whitespace per line
Why Use This Tool
  • Faster than writing one-off scripts for simple list transformations.
  • Useful for keyword lists, exports, logs, and line-based datasets.
  • Lets you chain several line operations in one pass.
Frequently Asked Questions
Is deduplication case-sensitive?

Yes —"Apple" and "apple" are treated as different lines. Use the lowercase conversion first if you want case-insensitive deduplication.

Can I filter with a regex pattern?

Yes —the filter field accepts regular expressions.

What does Line Tools Online —Sort, Deduplicate & Reverse Lines Free do?

Line Tools Online —Sort, Deduplicate & Reverse Lines Free runs entirely in your browser and helps you complete this task without uploading data to a server.

Is Line Tools Online —Sort, Deduplicate & Reverse Lines Free free to use?

Yes. This tool is free to use and does not require sign-up.