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String Tools

A collection of handy string manipulation operations — reverse, sort, shuffle, clean, and analyze your text.

String Tools brings together the everyday text operations developers and writers reach for again and again, without opening a code editor or installing anything. Reverse a sentence, flip word order, check whether a phrase is a palindrome, sort lines alphabetically in either direction, shuffle a list randomly, strip duplicate lines, trim extra whitespace, or switch case — all from one page. It's handy for cleaning up a list of URLs or email addresses before importing them elsewhere, testing string logic while learning to code, or tidying pasted text before it goes into a document. Everything runs locally in your browser as you type, so nothing you paste is uploaded anywhere, and results update instantly with a single click on any operation.

Input
0 chars0 words0 lines
Output

How to Use String Tools

  1. Paste or type your text into the input box on the left.
  2. Pick an operation from the grid — Reverse Text, Sort A→Z, Remove Duplicates, and more.
  3. View the result instantly in the output box on the right.
  4. Click Copy to copy the result, or run another operation on the same input.

Frequently Asked Questions

Paste text into String Tools and click "Remove Duplicates". The tool keeps only unique lines — perfect for cleaning email lists, URLs, or keyword sets.

Yes. The Sort Lines feature sorts A-Z or Z-A. You can also sort by line length or reverse line order.