Sentence Length Analyzer

For modern web writing, an average of 15-20 words is ideal. However, valid writing mixes short (5 words) and long (30 words) sentences to create a pleasing rhythm. Avoid monotony by varying your sentence lengths deliberately.

If all your sentences are the same length, your writing becomes monotonous and boring. This tool helps you ensure you have enough variety to keep the reader interested. Good writing has a natural rhythm that comes from mixing short, punchy sentences with longer, more complex ones.

Yes! Click the Upload button to import .txt or .md files directly. The tool will analyze your entire document and provide statistics including average length, shortest and longest sentences, and variance. You can then download a detailed report.

Blog posts: 12-18 words per sentence for easy readability. Academic papers: 20-25 words is acceptable since they require more complex ideas. Technical writing: 15-20 words. Marketing copy: 10-15 words for clarity and impact. Adjust based on your audience.

If your longest sentences exceed 40 words, split them with periods or semicolons. Look for conjunctions like 'and' or 'but' as natural breaking points. Each sentence should express one complete thought. The tool highlights your longest sentences so you can identify problem areas quickly.

No! All short sentences create a choppy, staccato rhythm. You need variety. Mix 5-word punchy statements with 25-word explanatory sentences. The variance metric in this tool shows how much variety you have—higher variance usually means better rhythm.

Yes, the tool works with any language that uses periods, exclamation marks, or question marks to end sentences. It counts words by splitting on spaces, so it works for most Romance and Germanic languages. Results may vary for languages with different punctuation systems.

Variance measures how much your sentence lengths differ from the average. Low variance (all sentences similar length) = monotonous writing. High variance (mix of short and long) = engaging rhythm. Aim for variance above 30 for dynamic writing.

Indirectly, yes. If your average is over 25 words per sentence, your text may be hard to read. If you have many sentences over 40 words, readers will struggle. Use this tool alongside readability scores for comprehensive editing.

Batch mode processes each paragraph independently, showing you which sections have good rhythm and which are monotonous. This helps you identify chapters or scenes that need editing without analyzing the entire manuscript at once.