Paste or upload a list, clean blank and duplicate lines, then shuffle the remaining items into a new order.
Shuffled resultWaiting to shuffle
Waiting for input
Input lines
0
Valid items
0
Blank lines removed
0
Duplicates removed
0
Order
Item
The complete shuffled list will appear here.
The table, counts, copy action, and downloads all use the same processed list; nothing is shuffled a second time.
Learn more
Shuffle method and completeness
Fisher–Yates shuffle
The tool first cleans the list according to your options. It then walks backward from the last position and swaps each item with a random position in the portion that is not fixed yet.
Random indexes come from the Web Crypto API and use rejection sampling to avoid modulo bias; the tool does not fall back to Math.random().
Clean the list before shuffling
Blank-line removal, trimming, and duplicate handling happen once before the shuffle. Duplicate matching is case-sensitive, and the first occurrence is kept when duplicates are removed.
How to check that no items were lost
The result shows input lines, valid items, removed blank lines, and removed duplicates together. When duplicates and blank lines are kept, the output count matches the input line count.
Limits and file handling
Processing limits
A run accepts up to 1,000,000 characters and 50,000 lines.
TXT and CSV files are read line by line as plain text; multi-column CSV data and quoted line breaks are not parsed.
This tool changes order only. It is not a lottery rule, winner selector, or regulated randomness service.
List randomizer demo
List randomizer demo screenshot
This screenshot shows the complete list randomizer workflow: enter a list, clean blank or duplicate lines, shuffle every remaining item, and review the counts before copying or downloading the result.
List Randomizer demo in English
Privacy, sources, and implementation
Local browser processing
Pasted text and selected files are read and processed in this browser. The list is not uploaded, no runtime API is called, and list contents are not written to localStorage.
