Edit cells, rows, and headers
Make quick table edits without switching between raw text and spreadsheet views.
csv editor online
CSV Editor Online is a browser-based way to open, inspect, edit, and export CSV files without installing spreadsheet software. It works well for quick fixes, structured cleanup, header changes, row updates, and import preparation while keeping the workflow simple, private, and fast for day-to-day data tasks.
By Online CSV Editor. Updated: 2026-03-23.
Upload a CSV, paste raw CSV text, or load a sample to start editing directly in the browser.
Secure, client-side CSV editing. Drag & drop a file to begin, or try a sample. Your data never leaves your browser.
or click to browse from your computer
Choose an encoding first if imported text from legacy tools usually looks wrong.
Paste CSV data directly from your clipboard.
Make quick table edits without switching between raw text and spreadsheet views.
Choose delimiter and encoding options before opening a file so imported data stays readable.
The editor runs in the browser, which keeps simple CSV cleanup fast and low-friction.
Open the tool, then upload a CSV file or paste CSV text into the importer.
Review the table structure, rename headers, search values, and edit rows or columns as needed.
Export the cleaned file when the table looks correct and your import checks are complete.
Yes. The editor is built for browser-based CSV work, so you can open and change CSV files without using Excel.
Yes. It is useful for common cleanup tasks like fixing headers, adjusting rows, checking delimiters, and exporting a fresh CSV.
It fits everyday operational files such as contacts, products, imports, and support exports where you need simple table edits before sending the file elsewhere.