Sort Lines Online

Sort text lines alphabetically, by length, reverse, shuffle, or natural order. Process runs entirely in your browser.

Case-insensitive Trim whitespace Remove empty lines

Input

Sorted Output

Total lines: 0

Empty lines removed: 0

How the Line Sorter Works

Paste your text into the input area, choose a sort mode, and click Sort Lines. The result appears instantly in the output area.

Sort Modes Explained

A → Z — Standard alphabetical ascending order
Z → A — Reverse alphabetical descending order
Length (Short → Long) — Shortest lines first
Length (Long → Short) — Longest lines first
Reverse Order — Flips the line order (last line becomes first)
Shuffle / Randomize — Randomly shuffles all lines
Natural Sort — Alphabetical but treats numbers numerically (e.g. item2 before item10)

Options

Case-insensitive — Ignores uppercase vs lowercase when comparing lines
Trim whitespace — Removes leading and trailing spaces from each line before sorting
Remove empty lines — Strips blank lines from the output

Frequently Asked Questions

The tool splits your text into individual lines, applies the selected sorting algorithm (alphabetical A—Z, Z—A, by length, reverse, shuffle, or natural sort), and outputs the reordered result. All processing runs instantly in your browser using JavaScript.

Yes. All sorting happens 100% client-side in your browser. Your text is never sent to any server, stored, or shared with anyone. No data leaves your device, making it safe for confidential or sensitive content.

Natural sort treats embedded numbers as numeric values rather than text characters. For example, "item2" comes before "item10" in natural sort, whereas standard alphabetical sort would place "item10" first. Use natural sort when your lines contain numbered items like filenames, versions, or list entries.

Yes. The tool offers a "By Length" sort mode that orders lines from shortest to longest (or longest to shortest). This is useful for organizing data by size, prioritizing items, or formatting content where line length matters.

Yes. Alphabetical sorting uses your browser's locale-aware comparison, which handles accented characters and special symbols correctly. For lines with numbers, use the natural sort mode to ensure numeric values are sorted in the expected order rather than as plain text.

Why text-line sorting comes up more often than you'd think

Sorting lines is a deceptively useful operation. It is the fastest way to produce a tidy mailing list, alphabetise a software changelog, prepare a vocabulary list for revision, dedupe a list of email addresses, or reorder import statements in a code review. This tool sorts text either alphabetically (case-sensitive or insensitive), numerically, or in reverse, and runs entirely in your browser so private data never leaves your device.

Common sort scenarios

Alphabetical — mailing lists, glossaries, contact lists, import statements, vocabulary lists, file inventories.
Numerical — lists of IDs, prices, scores, version numbers (use natural sort for proper version ordering).
Reverse — latest-first changelogs, leaderboards counted downward, log line ordering.
Length — identifying the longest or shortest entries quickly, spotting outliers in a dataset.

Case-sensitive vs. case-insensitive sorts

Case-sensitive sorting orders all uppercase before all lowercase in the standard Unicode order, so "Zoo" comes before "apple". Case-insensitive sorting treats letters as the same regardless of case, so "apple" comes before "Zoo". Use case-insensitive sorting for human-readable lists and case-sensitive sorting for technical lists where capital letters carry meaning (constants, acronyms, identifiers).

Adjacent operations

Combine sorting with line dedupe to clean up a list before processing. Pair with the Word Counter to see how many entries you are working with. For deeply structured text, paste it into Diff Checker to compare two sorted lists and surface the differences.