Reverse Sentences in Text

The tool reverses the order of sentences in your text. If you have "First sentence. Second sentence. Third sentence.", the output becomes "Third sentence. Second sentence. First sentence." It intelligently detects sentence boundaries using punctuation marks (periods, exclamation points, question marks) and offers three punctuation modes: Smart (keeps all punctuation), Preserve (maintains punctuation patterns), and Clean (removes sentence-ending marks).

The tool uses advanced regex patterns to identify sentence boundaries. It looks for standard sentence-ending punctuation: periods (.), exclamation marks (!), and question marks (?), including those followed by quotation marks. For example, "He said 'Hello!'" is recognized as one complete sentence. This is smarter than simple split-by-period logic, which fails on abbreviations like "Dr." or "U.S.A." The algorithm preserves sentence integrity while accurately detecting natural boundaries.

Smart Mode keeps all punctuation exactly where it is—sentences reverse but periods/exclamation marks stay attached. Preserve Mode extracts punctuation from each sentence and reattaches it after reversal, maintaining the original punctuation pattern. Clean Mode removes all sentence-ending punctuation marks entirely, giving you raw reversed text. Smart is best for general use, Preserve for maintaining formatting consistency, and Clean when you want unpunctuated sentences (useful for further processing or creative effects).

Space Mode joins reversed sentences with a single space, creating a continuous paragraph (standard behavior). Newline Mode puts each reversed sentence on its own line, making the structure easier to read and edit—especially useful for analyzing individual sentences, creating unscramble exercises, or preparing content where each sentence should stand alone. Choose Space for readable paragraphs, Newline for itemized sentence lists or educational materials.

Creative Writing: Experiment with narrative flow by reading your story backwards—reveals plot structure, pacing issues, and whether your ending is strong. Education: Teachers create "unscramble the paragraph" exercises where students must restore logical order. Testing: Developers use reversed text to test layout handling, text wrapping, and parsing algorithms with unusual sentence sequences. Editing: Writers reverse paragraphs to check if individual sentences make sense out of context (a good test for clarity).

You can process any size document—from a single paragraph to entire essays, articles, or chapters. Click Upload to load .txt or .md files directly. The tool processes everything locally in your browser with no server transmission, so there's no practical size limit (within browser memory capabilities). After reversal, click Save to download the result. Perfect for batch processing academic papers, reversing multiple sections, or transforming entire stories.

The statistics panel shows: Sentences (total count detected), Words (overall word count), Characters (including spaces and punctuation), and Avg Words (average words per sentence). The average words metric helps identify overly long sentences (20+ words is hard to read) or overly short ones (under 10 can feel choppy). These stats are useful for analyzing writing complexity before and after reversal.

Absolutely. The sentence detector recognizes all three standard ending marks: periods (.), question marks (?), and exclamation points (!). Example input: "Hello. How are you? I'm great!" becomes "I'm great! How are you? Hello." Each sentence maintains its punctuation type. The tool also handles quotation marks correctly, so "She asked, 'Why?'" is treated as one complete sentence with the question mark inside the quote.

Completely private. All processing happens 100% in your browser using JavaScript. Your text never leaves your device, isn't uploaded to any server, isn't logged, and isn't stored anywhere. Even file uploads are processed locally—nothing is transmitted over the network. You can verify this by checking your browser's Network tab during use. This is essential for processing sensitive documents, confidential manuscripts, or private communications.

Manual reversal is error-prone and time-consuming. For a 10-sentence paragraph, you'd need to: (1) identify each sentence boundary, (2) copy the last sentence, (3) paste it first, (4) repeat 10 times, (5) fix spacing/punctuation mistakes. This tool does it instantly with zero errors, handles punctuation intelligently, detects boundaries accurately (even with quotes and complex punctuation), and provides statistics. Plus, it works on entire documents—manually reversing 100 sentences would take hours.