Free Text Sorter
Sort lines alphabetically A-Z, Z-A, by length, numerically, naturally or randomly. Dedupe and trim options included. Live processing, no sign-up.
Your Lines
Sorted Output
What Is a Text Sorter?
A text sorter rearranges lines of text into a specific order — alphabetically, numerically, by length, reversed or randomly. It's one of the simplest tools you'll ever need, but incredibly useful when you have a messy list to organize.
Whether you're cleaning up a list of names, sorting product SKUs by number, or randomizing entries for a giveaway, a text sorter does the job in one click — no spreadsheets, no scripts, no manual work.
The 9 sort modes
| Mode | What It Does | Example Result |
|---|---|---|
| A → Z | Alphabetical ascending order. | apple, banana, cherry |
| Z → A | Alphabetical descending order. | cherry, banana, apple |
| Natural A→Z | Alphanumeric: treats numbers as numbers. | file2, file10, file20 |
| Length ↑ | Shortest line first, longest last. | cat, apple, banana |
| Length ↓ | Longest line first, shortest last. | banana, apple, cat |
| Numeric ↑ | Sorts by numeric value (small to large). | 2, 5, 10, 100 |
| Numeric ↓ | Sorts by numeric value (large to small). | 100, 10, 5, 2 |
| Reverse | Reverses the current order. | last line becomes first |
| Shuffle | Randomizes the order. | random permutation |
Example: sorting a list
Options explained
- Case insensitive (default ON) — treats "Apple" and "apple" as the same for sorting. This is what most people expect — you don't want all capital letters clustered at the top. Turn OFF for strict ASCII ordering.
- Trim whitespace (default ON) — removes leading and trailing spaces from each line before sorting, so " apple" and "apple" sort together instead of apart.
- Remove empty lines — filters out blank lines before sorting. Useful when pasting text that has random blank lines.
- Remove duplicates — keeps only one copy of each line, giving you a clean unique sorted list. Perfect for lists of URLs, emails, SKUs or keywords.
Natural sorting vs alphabetical sorting
Natural sorting is the killer feature that most online sorters don't have. Here's why it matters:
Alphabetical sort of "file1", "file2", "file10", "file20"
file1, file10, file2, file20
Because "10" comes before "2" in character-by-character comparison ("1" < "2"). That's technically correct but intuitively wrong.
Natural sort of the same list
file1, file2, file10, file20
Because "10" is treated as the number ten, which is greater than 2. This is how humans expect lists to be sorted.
Natural sorting is essential for file names, version numbers, product IDs and any list where the numbers matter.
Numeric sort vs alphabetical sort
Similar principle. If you have a list of prices, quantities or IDs, you want numeric sorting:
- Alphabetical: 100, 15, 2, 25, 5, 50
- Numeric: 2, 5, 15, 25, 50, 100
Numeric sort parses each line as a number and sorts by value. Non-numeric lines are sorted to the end. Handles decimals and negatives.
Common use cases
Email Lists
Sort and dedupe email lists before importing to your CRM.
Keyword Lists
Alphabetize SEO keyword research lists for easy review.
Product SKUs
Sort inventory codes numerically or naturally.
URL Lists
Alphabetize URLs from sitemaps or backlink exports.
Name Lists
Sort guest lists, attendance lists or team rosters by name.
Random Giveaways
Shuffle contest entries to pick a random winner.
Code Imports
Sort import statements or dependency lists alphabetically.
CSV Cleanup
Sort data rows before importing to a database.
Sorting stability and duplicates
Our sorting algorithm is stable. If two lines compare as equal (for example "Apple" and "apple" when case-insensitive), the one that appeared first in the original list stays first in the sorted list. This is the same behaviour as Python's sorted(), which preserves original ordering for equal elements.
How does it compare to Unix sort?
- Unix
sort— fast but requires a terminal, and you need to remember flags like-nfor numeric,-rfor reverse,-ufor unique. Natural sort requires-Vor-h. - Spreadsheets — work for small lists but are slow to set up and don't handle natural sorting well.
- This tool — no setup, no flags, 9 modes, works with any text, live preview, all in your browser.
Privacy and security
This text sorter runs entirely in your browser. Your text is never sent to any server, never stored anywhere, and disappears the moment you close the tab. Safe for confidential lists, private email addresses, unreleased data and any content you want to keep local.
Frequently Asked Questions
What is a text sorter?
What does natural sorting mean?
file2 comes before file10 — instead of file10 coming before file2 like it would with plain alphabetical sorting. It's the intuitive ordering humans expect.Does sorting work with numbers?
Should I sort case-sensitively?
apple, Banana and cherry sort together. When ON, case-sensitive sorting places all uppercase letters before all lowercase ones (Apple before apple), which matches ASCII ordering but rarely matches what users expect.Can I remove duplicates while sorting?
What is the difference between sort by length ascending and descending?
Is the sort stable?
sorted() behaviour.