Sort & Dedupe Lines — Unique Line Lists

Sort lines alphabetically or numerically, remove duplicates, trim whitespace, and drop blank lines. Case-sensitive options — browser-local.

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sort/dedupe lines
sort/dedupe lines — local, honest limits documented on this page.

Developer notes

• Paste-only v1 — no file pick/drop. • 64 KiB UTF-8 limit. • "Show what changed" lists exactly which pasted lines were removed as duplicates or blank; both panels render up to 2,000 lines — Copy always returns the full result.

Options

Sort mode
Sort mode — changes the output or verdict for this tool.
Remove duplicates
Remove duplicates — changes the output or verdict for this tool.
Case sensitivity
Case sensitivity — changes the output or verdict for this tool.
Trim lines
Trim lines — changes the output or verdict for this tool.
Remove blank lines
Remove blank lines — changes the output or verdict for this tool.

Use cases

• Quick checks without leaving the browser. • Pair with other Markdown tools on the hub.

Examples

Example 1

Before

zebra Apple banana 10 cherry apple Banana 42 2 zebra marketing@example.com support@example.com marketing@example.com delta beta alpha Gamma gamma 100 20 5 nginx apache nginx

After

10 100 2 20 42 5 alpha apache Apple banana beta …

Example 2

Before

10 2 apple

After

2 10 apple (numeric sort)

Related tools

Hub text tools. Also: beautify-markdown.

sort/dedupe lines FAQ

Browser-local

Is my text uploaded?

No. Everything runs locally in your browser.

What is the size limit?

64 KiB (UTF-8) per tool.

Text & Markdown

Count words, build Markdown TOCs, and clean line lists — all in your browser.

Word counter

Markdown TOC

CSV to Markdown table

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