Text Set Calculation

• A text set calculator that computes the intersection, difference, and union of two text lists, with real-time statistics of element count, unique count, duplicate rate, and overlap rate. Ideal for data comparison, list deduplication, and set analysis.

1. Open the tool page — no installation needed
2. Paste your lists line by line into the "Text A" and "Text B" boxes, or click "Sample Data" to fill them quickly
3. Pick an operation (Intersection / Difference / Union), then click "Calculate" to see the result; use "Copy Result" or "Clear Result" as needed

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device

Free online text set calculation tool, supports calculating intersection, difference, and union of two text lists, with real-time statistics of element count, duplicate rate, and overlap rate, suitable for data comparison, list deduplication, set operations and other scenarios.

Open the tool page — no installation needed Paste your lists line by line into the "Text A" and "Text B" boxes, or click "Sample Data" to fill them quickly Pick an operation (Intersection / Difference / Union), then click "Calculate" to see the result; use "Copy Result" or "Clear Result" as needed

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Yes, Text Set Calculation is completely free. No download or installation required — it runs right in your browser.