Correct CSV quoting
Commas, quotes, and line breaks are escaped according to CSV conventions. Formula-like values receive a leading apostrophe for safer spreadsheet use.
Convert TSV files to CSV
Choose your TSV files and get a CSV for each one. Preview a result while the rest keep converting.
Add as many files as you need. Up to 1 GiB per file. Keep this tab open until your downloads finish.
Conversion starts as soon as you choose files. Files download automatically when ready. Your browser may ask to allow multiple downloads.
Convert your TSV files together. Each result downloads when ready, with View and Download beside the file.
Review, filter or sort before exporting
Open a TSV in the editor to choose which rows to export. Active-view export supports files under 8 MiB.
Review first when you need to
Need selected rows or a different order? Open the optional editor to filter and sort before exporting.
TSV questions and answers
How do I convert TSV to CSV?
Choose your TSV files to start converting immediately. Use Add more files to add another batch. Each CSV downloads when ready; use View to check a result or Download to save it again. The optional editor lets you filter or sort before exporting. Commas, quotes and newlines are escaped; formula-like text gets a leading apostrophe for safer spreadsheet opening.
What are the TSV file and export limits?
Ordinary viewing accepts one file up to 5 GiB, subject to browser capacity. Files of 8 MiB or larger use a paged editor. Batch CSV and JSON conversion accepts files up to 1 GiB, subject to available browser storage, with cells under 1 million characters, records under 4 million characters and up to 4,096 columns. Without browser file storage, results are limited to 32 MiB. Active-view editor exports require files under 8 MiB. Merge accepts 2 to 20 files with a 50 MiB combined limit.
Does my TSV file leave my browser?
Selection, parsing, editing, merging and conversion run locally without signup or file-content upload. Download a copy to keep your work. Reload restores the original input, not unsaved edits.