Free online tool
Line Sorter
Sort any list of lines alphabetically, numerically, or by length.
Sorting text quickly
Sorting a list is one of those tasks that feels trivial until you have to do it by hand. Whether you're organizing a list of names, product codes, IP addresses, or CSV rows, letting the browser do it takes a second and eliminates human error. This tool supports both text and numeric ordering, plus sorting by string length when you need to spot the shortest or longest entries.
Choosing the right mode
Alphabetical sorting uses your browser's locale, so accented characters and non-English letters fall in the correct place for most languages. Numeric mode parses each line as a number — perfect for lists like prices, IDs, or scores. Length mode is handy when checking for typos or padding issues in fixed-width identifiers.
+What happens to blank lines?
Empty lines are removed before sorting to keep the output clean.
+Does it change my original text?
Only the copy in the tool. Your source stays unchanged.
Sorting lines the way a spreadsheet would, without opening one
Alphabetical sort, reverse alphabetical, and numeric sort each handle mixed data differently: a plain alphabetical sort treats '10' as coming before '2' because it compares character by character, which is exactly the kind of surprise that ruins a sorted list of invoice numbers.
Pasting a list into a spreadsheet just to sort it and copy the result back out is a common workaround, but it drags along formatting quirks, auto-correct changes to dates and numbers, and the general overhead of opening a heavier tool for what should be a five-second task on a short list of lines.
When numeric sort is the one you need
Any list of prices, quantities, IDs, or scores should go through numeric sorting rather than alphabetical, since alphabetical order on numbers as text produces sequences like 1, 10, 11, 2, 3 instead of the expected 1, 2, 3, 10, 11.
Case and punctuation in alphabetical sorts
Standard alphabetical sorting is case-sensitive at the byte level in many implementations, which can push every uppercase entry ahead of every lowercase one; a quick pass through lowercase conversion beforehand keeps a mixed-case name list sorted the way a person would expect it to read.
Reverse sort is the fast way to surface the newest entries in a chronologically-labeled list — dated log lines or version numbers — without touching the sort key itself.
Sorting names, addresses, and other structured lines
A list of full names sorted alphabetically will sort by first name unless the lines are reformatted 'Last, First' first, which trips up anyone expecting an alphabetized-by-surname directory; reformatting before sorting, or sorting and then reformatting, produces very different-looking results from the same source data.
Leading articles like 'The' or 'A' in a list of titles or company names throw off alphabetical sorting the same way they do in a library catalog — 'The Toolnest Company' sorts under T instead of under its actual name, which is worth accounting for manually when a sorted list needs to match a specific style guide's rules.
Length-based sorting for content review
Sorting lines by length rather than alphabetically is a quick way to review a batch of headlines or meta descriptions for consistency, immediately surfacing the one entry that's dramatically shorter or longer than the rest of the set without reading every line individually.
Natural sort versus strict alphabetical sort
A 'natural sort' that understands numbers embedded in text — placing 'item2' before 'item10' the way a person would expect — differs from a strict character-by-character sort that would place 'item10' first; file names and version numbers are the classic case where the wrong sort order makes a list look randomly shuffled even though it technically followed a rule.
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