About MergeLists
What is MergeLists?
MergeLists is a free, privacy-friendly web tool designed to help you combine two or more text lists quickly and efficiently. Whether you're a marketer pairing names with companies, a developer combining IDs with endpoints, or a student merging labels with values, MergeLists makes the process simple and secure.
Privacy First
Your privacy is our top priority. All list merging happens entirely in your browser - no data is sent to our servers, stored, or transmitted anywhere. Your lists never leave your device, ensuring complete privacy and security for your data.
Key Features
- •Line-by-line merging: Combine lists by matching lines from each list
- •Cartesian product mode: Create all possible combinations between two lists
- •Custom separators: Choose how to separate merged items (space, comma, tab, etc.)
- •Smart options: Trim whitespace, remove empty lines, and more
- •Export options: Copy to clipboard or download as text/CSV files
Who Uses MergeLists?
Marketers
Pair lists of names with companies for targeted outreach campaigns and personalized communications.
Developers
Combine IDs with endpoints, generate test data, and merge configuration values efficiently.
Analysts & Students
Join labels with values, create CSV lines, and organize data for analysis and research.
General Users
Merge two columns from spreadsheets, combine contact lists, and organize any text data.
Technology
MergeLists is built with modern web technologies including Next.js, TypeScript, and Tailwind CSS. The application is designed for speed, accessibility, and optimal user experience across all devices.
Contact
Have questions, suggestions, or feedback? We'd love to hear from you. MergeLists is committed to continuous improvement and user satisfaction.