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Sorting uses locale-aware comparison, so accented characters sort sensibly. Everything runs in your browser — your text never leaves this page.
The Sort Lines A-Z tool is a free online utility that arranges the lines of your text in alphabetical order. Paste any multi-line text into the large text area, from a keyword list, an email list, or a set of customer names to server log lines or a product catalog, choose from five sorting and cleaning toggles, and the tool instantly returns your lines in perfect order. The comparison is a plain lexicographic sort, the same ordering a dictionary uses, so characters are compared one by one from left to right. Because the sort is locale aware through the built-in localeCompare method, accented letters, mixed case entries, and punctuation land in sensible positions instead of scattering across the list. There is nothing to install and no account to create. The tool runs entirely in your browser, your text never leaves your computer, and you can copy or download the sorted result the moment it appears. A live line and character count keeps you oriented while you fine tune the options.
Five toggles give you complete control over the sort order and the cleanliness of the output. Here is what each option does and when to reach for it.
The direction toggle is the heart of the tool. Choose A to Z for a standard ascending alphabetical order, or Z to A for descending order. Ascending order is ideal for indexes, glossaries, directories, and any list that readers scan from the top down. Descending order is handy when you want the highest or latest entries first, such as reverse-ordered name lists or sorted version strings. Switching direction re-sorts instantly, so you can compare both orders without re-entering your text.
In a strict character comparison, uppercase letters sort before lowercase letters, which can split entries like Apple and apple far apart. Turn on the case-insensitive toggle and the tool compares letters without regard to case, so entries group together by their actual spelling. This is the option most people want for names, titles, and keywords because it keeps related entries side by side. Leave it off when the exact character order matters, for example when sorting code identifiers. If you also need to normalize letter casing across a list, try our case converter tool as well.
The duplicate remover scans the sorted output and keeps only the first occurrence of each identical line. It is perfect for cleaning exported email lists, keyword research dumps, and long resource lists where the same entry appears many times. Combined with sorting, duplicates become easy to spot and eliminate in a single step. For heavier duplicate-cleaning jobs, you can also use our dedicated remove duplicate lines tool.
Blank lines often sneak into pasted text from spreadsheets and documents, leaving ugly gaps in the sorted result. The drop empty lines toggle removes every line that contains nothing, so your output is one clean, continuous list. Turn this on whenever you paste from Excel, Google Sheets, or a word processor, where trailing blank rows and stray line breaks are extremely common.
Leading and trailing spaces are invisible, but they change the sort order and push lines with stray spaces into unexpected positions. The trim whitespace toggle strips spaces and tabs from the start and end of every line before sorting, so each line is compared by its real content. This is essential for data copied from PDFs and web pages, where extra spacing around the text is almost guaranteed.
Sorting a list takes less than a minute. Follow these steps:
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Not every sorting routine understands language. A naive sort compares raw character codes, which places all uppercase letters before any lowercase letter and scatters accented characters like e with an accent or u with an umlaut far from their base letters. This tool uses the localeCompare method, the same comparison the JavaScript language provides for language-sensitive ordering. That means cafe with an accent sorts next to plain cafe instead of at the end of the list, and mixed-language lists stay readable. The result matches what readers in your language expect from an alphabetical list. If you prepare multilingual content, manage international customer names, or sort product titles that include special characters, locale-aware sorting saves you from manual reordering and embarrassing misplacements. It is a small detail that makes a large difference in the quality of the finished list, and it works automatically with no configuration required.
Here are some of the most common ways people use the line sorter every day:
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Yes, the tool is completely free with no sign-up, no usage limits, and no watermarks. It runs entirely in your browser, so you can sort as many lists as you like.
No. All sorting happens locally on your device using JavaScript. Your text is never uploaded to a server, which makes the tool safe for private lists and sensitive data.
Numbers are sorted lexicographically, character by character, so 10 comes before 2 because the character 1 comes before the character 2. Pad numbers with leading zeros, such as 02 and 10, if you need true numeric order.
The tool comfortably handles thousands of lines in a fraction of a second. For extremely large lists, downloading the result is more reliable than copying it to the clipboard.
Yes. Simply switch the direction toggle to Z to A and the entire list re-sorts in descending order instantly.
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