No API fees · Runs on your device · TF-IDF pairs
Repeated sentence finder
Spot exact and word-similar sentence pairs at your chosen threshold.
Local models, learning & document helpers
Choose a local model, trainable classifier or statistical helper. Inputs stay on your device; model files download only when you run a model tool.
Text & settings
Up to 64 KB · stays on your device
Analysis result
Enter your text or try a sample.
Method & limitations
Compares sentence pairs using cosine similarity of TF-IDF word vectors. Select a 50–100% threshold. Exact normalized duplicates score 100%. Only the first 50 matching pairs are shown, with their source sentence numbers. Shared words can hide differences in meaning.
Runs in a Web Worker. Inputs and results are cleared when you leave or choose Clear text; they are not saved in browser storage. Downloaded files remain on your device.
A guide to this tool
How to use Repeated sentence finder
- Enter your text or load this tool’s sample.
- Choose the available settings and fill in a second input if this tool has one.
- Run the analysis and review the output and method notes before using it.
A sample you can try
Sample input
Product photos should be clear. Website speed matters. Product photos should be clear. Customers need delivery details.
Sample output
Sentences 1 / 3 (100%) Product photos should be clear.