Rewrite Text

Rewrite documents using customizable search-and-replace rule tables. Scope replacements to whole words or symbols, and apply overall case transformations instantly in your browser.

Private • In-browser processing • Zero server uploads

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How to Use Rewrite Text

1
Enter Your Source Text
Type or paste the paragraphs you want to rewrite.
2
Define Mapping Rules
Write one rule per line using the 'find -> replace' syntax.
3
Choose Scope & Case
Select matching scope (words vs all) and optional case transformation.

Key Features

Rule-Based Replacements
Apply unlimited 'find -> replace' mapping pairs in a single pass.
Scope Controls
Target whole words, symbols only, or complete string matches.
Integrated Case Transformations
Convert to Title Case, Sentence case, UPPERCASE, or lowercase.
100% Client-Side Privacy
No files or data ever leave your machine.

Common Use Cases

  • Expanding acronyms and technical abbreviations across legal or financial documents.
  • Translating brand terminology or replacing product naming conventions.
  • Converting terminology between American English and British English.
  • Automating multi-step vocabulary substitutions for content rewriting.

Frequently Asked Questions

Write one rule per line using '->' (e.g. 'cat -> dog'). You can also use colons or equal signs ('cat : dog' or 'cat = dog').

Yes! Keep Matching Scope set to 'Whole Words'. This ensures 'cat' will not alter 'catalog' or 'concatenate'.

Yes, everything runs purely inside your browser sandbox.

Find and Replace Text
Find all occurrences of a string or regex and replace them in bulk.
Reverse Text
Reverse any text by characters, words or lines — instant live preview.
Add Prefix to Text Lines
Prepend a custom string to every line in a block of text.
Split a String
Split a string by a delimiter, regex, or fixed character count into a list.
Join Multiple Strings
Join multiple strings with a custom separator, prefix and suffix.