View, edit, and format CSV files directly in your browser. Tidy Code provides syntax highlighting, search and replace, and WebAssembly-powered performance for files up to 100MB+. Free, fast, and private — your data never leaves your browser.
Open CSV EditorEdit CSV files with syntax highlighting that distinguishes columns, quoted strings, and delimiters. Line numbers and column guides make it easy to navigate large datasets.
Open and edit CSV files up to 100MB+ with WebAssembly-powered parsing that's 8x faster at indexing and 14x faster at searching than pure JavaScript solutions. Handle database exports, log files, and large datasets without your browser slowing down.
Find and replace data across your CSV with regex support, case sensitivity, and whole word matching. Navigate matches with keyboard shortcuts to quickly update values across thousands of rows.
Open multiple CSV files in tabs. Compare datasets side by side with the built-in Diff Viewer. Drag and drop to reorder tabs and work across files seamlessly.
Works with CSV, TSV, and other delimiter-separated formats. The editor handles quoted fields, escaped characters, and multiline values correctly.
Drag and drop CSV files directly into the editor. No file size dialogs, no upload steps — just drop and start editing immediately.
Open Tidy Code in your browser, paste your CSV data or drag and drop a .csv file. The editor provides syntax highlighting, line numbers, and search and replace to help you edit CSV files quickly.
Yes. Tidy Code uses WebAssembly for high-performance parsing, allowing you to open and edit CSV files up to 100MB+ without your browser slowing down. It's 8x faster at indexing than pure JavaScript solutions.
Yes. Tidy Code supports CSV, TSV, and other delimiter-separated formats. The editor automatically detects the delimiter and provides appropriate syntax highlighting.
Yes, Tidy Code's CSV editor is completely free with no signup required. Your data stays in your browser and is never sent to any server.