Cadence · Free · In your browser
Break a paragraph into one sentence per line and see a cadence chart of sentence lengths - the fastest way to spot monotonous rhythm.
A sentence splitter separates prose into individual sentences, one per line, so you can audit length and rhythm.
Comma-separated. Saved in your browser. Titles like Dr. and decimals like 3.14 are already handled.
Paste text to split it one sentence per line - Dr. and 3.14 stay intact. Or try:
0 words · 0 chars
Your sentences will appear here, one per line, with a length bar so you can see your rhythm.
Cadence
Paste text to audit
Uniform sentence lengths read robotic. Vary them.
🔒 Runs entirely in your browser - open DevTools → Network and you'll see zero requests. Works offline. Nothing is uploaded.
The short version
There is no server and no upload. Everything runs with plain JavaScript on your device, so you can safely work with confidential or unpublished text. Open your browser's DevTools Network tab while you use it and you'll see zero requests - and it keeps working with your connection turned off.
In the margin
Split the text so each sentence sits on its own line, then look at the cadence chart. If most bars are the same height, your sentences are all a similar length - a classic AI tell. Mix short and long sentences to fix it.
Yes - the splitter is aware of common abbreviations and decimals, so it won’t break a sentence at “Dr.” or “3.14”.
No. Everything runs in your browser with plain JavaScript - your text is never uploaded, stored, or logged. Open your browser’s DevTools Network tab while you use it and you’ll see zero requests. The tool also works offline.
Margin note
Every tool here runs 100% in your browser. Open DevTools → Network while you use one and you'll see zero requests - your text never leaves your device. Prefer the deep dives? Read the writing on Penluma.