FuseCSV

FuseCSV is a powerful yet intuitive macOS application designed to streamline your CSV workflow. Whether you're a data analyst handling large datasets, a developer merging export files, or a business user consolidating reports, FuseCSV makes combining multiple CSV files effortless and professional. Smart File Management: • Drag and drop CSV, TSV, and TXT files directly into the app • Drop entire folders to automatically import all compatible files • Reorder files with intuitive drag-and-drop before merging • Real-time file validation with column mismatch detection • Live preview of row counts, column counts, and file metadata • Automatic delimiter detection (comma, tab, and more) • Smart header handling using the first file's structure Intelligent Processing: • Visual feedback with color-coded file status indicators • Automatic line ending detection and normalization • Estimated output file size calculation • Built-in validation warns you of potential merge issues before processing • Fast, efficient processing optimized for datasets Advanced Data Cleaning (Included Free!): • Remove Duplicate Rows – Automatically eliminate redundant data from your merged file • Strip Empty Rows – Clean up your output by removing blank lines • Customizable Output – Choose your delimiter (comma, tab, semicolon) and line ending format Free Version Includes: • Merge up to 10 CSV files at once • Process files up to 5MB each • All data cleaning features • Full output customization • No ads or tracking Upgrade to FuseCSV Pro: Remove all limits and unlock unlimited productivity: • Unlimited Files – Merge as many CSV files as you need in a single operation • Unlimited File Size – Process files of any size, from megabytes to gigabytes • Perfect for Professionals – Handle enterprise-scale datasets with ease • One-Time Purchase – No subscription required Why Choose FuseCSV? • Native macOS design with dark mode support • Privacy-focused – all processing happens locally on your Mac • Lightweight and fast – no bloated features or unnecessary complexity • Professional-grade results every time • Perfect for data analysts, developers, researchers, and business professionals Start with powerful free features, upgrade only when you need to scale.