DataHub Tools Line Sorter Deduplicator

Sort Lines and Remove Duplicates

Local-first

Sort text lines, remove duplicate lines, trim whitespace, and clean lists locally.

What is Line Sorter Deduplicator?

Sort text lines, remove duplicate lines, trim whitespace, and clean lists locally.

  • Sort lines alphabetically
  • Remove duplicate lines
  • Trim blank lines and whitespace

How to use it

  1. Paste the text lines, lists content you want to process.
  2. Adjust quality, size, or output options when available.
  3. Run the tool to sort and deduplicate lines and preview the result on the page.
  4. Copy the output or download the generated file when it looks right.

Best use cases

  • Clean developer data during debugging, API work, and documentation.
  • Clean content before saving configs, sharing snippets, or importing tables.
  • Use it when privacy matters and the input should stay inside the browser.

Official standards and scope

ECMAScript defines Set identity and ECMA-402 defines the locale-sensitive comparison used by String.prototype.localeCompare(). This page splits on LF or CRLF, trims both ends of every line, drops every blank line, and optionally removes duplicates with Set before sorting. Duplicate identity is exact after trimming: case, accents, Unicode normalization forms, and internal whitespace remain distinct. Sort and dedupe uses Array.sort() with a.localeCompare(b) under the browser's default locale and collation options, so order can differ across user environments and is not bytewise, numeric, case-insensitive, or explicitly natural. The Dedupe only action preserves the first surviving occurrence order after trimming. There are no controls for locale, case folding, numeric comparison, descending order, stable external keys, normalization, or retaining blank lines and edge spaces. Do not use the result as a reproducible canonical ordering or cryptographic input without additional normalization and fixed collation rules.

Sources checked July 27, 2026. Standards, dependencies, and platform rules can change; review the original sources again before formal integration or compliance decisions.

Notes

  • Browser support for text lines, lists can affect preview and export behavior.
  • Invalid input will show an error when possible, but the tool will not guess missing fields.
  • Preview the result before using it in production, publishing, or submission workflows.

FAQ

Is order preserved when removing duplicates?

The deduplicate action keeps the first occurrence of each line.

Is Line Sorter Deduplicator free to use?

Yes. You can use it directly in the browser without creating an account.

Does Line Sorter Deduplicator support batch processing?

Text tools usually process one pasted input at a time, so split large jobs into smaller inputs.

Are files or content uploaded?

Line Sorter Deduplicator runs in your browser, so your input or files are not uploaded to DataHub servers.

Can I use Line Sorter Deduplicator on mobile?

Yes, but desktop browsers are better for large files, batch conversion, or long text input.

Why can conversion or validation fail?

Common causes include invalid syntax, missing required fields, or invisible characters copied with the input.

Can I use the result commercially?

The tool only processes your own input. Commercial use depends on the rights of the original file or data.

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