Free Online Replace First Word in Each Sentence Tool

Our Replace First Word in Each Sentence tool makes it easy to instantly change the first word of every sentence in your text. Whether you are improving writing consistency, updating keywords, or editing repetitive phrases, this tool works right in your browser with no data uploads — fast, secure, and privacy-friendly.

Simply paste your text, enter the replacement word, and click "Convert". Perfect for content creators, editors, coders, and students who need quick text processing without manual rewriting.

Example:

Replacement Word: Hello
Input:
Cats are friendly. Dogs are loyal.
Output:
Hello are friendly. Hello are loyal.