CSV / Excel Viewer
View spreadsheets without Excel
🔒 All data is processed in your browser. Nothing is uploaded to any server.
📊
Upload file (CSV / TSV / XLSX)
ℹ️ All processing in your browser.
Quick guide
What can CSV / Excel Online Preview help you do?
Free CSV / TSV / Excel viewer in your browser. Search, sort, export. Files never uploaded.
Best for
Useful for quick file work, text cleanup, calculations, content creation, and website or AI checks.
How to use it
Open the tool, enter or upload what it asks for, then copy or download the result directly.
Privacy and limits
Most tools run in your browser with no sign-in. Very large files or older devices may hit browser memory limits.
Frequently Asked Questions
Can I edit?
Preview only. Download as CSV to edit in Excel/Google Sheets.
How large a file?
CSV up to 10MB, Excel up to 5MB recommended.
Is my file uploaded?
No. SheetJS parses in your browser.