In-Browser CSV Spreadsheet Viewer
View, search, sort, and inspect CSV spreadsheets with responsive tabular pagination.
| # | Column A | Column B | Column C |
|---|---|---|---|
| Load or drop a CSV file to explore data | |||
How to Use CSV Viewer
Clean, convert, and manage your CSV and Excel files with total privacy:
Upload or Paste Data
Drop your CSV or Excel file or paste raw rows directly into the workbench.
Configure Transformations
Filter rows, select columns, deduplicate, or format structure in real-time.
Download Clean File
Export your result instantly as clean CSV, JSON, or Excel without file size limits.
Key Features & Capabilities
🔒 100% In-Browser Privacy
Your business numbers, customer emails, and sensitive spreadsheets never touch our servers. Execution happens exclusively in local browser RAM.
⚡ Multi-Megabyte Speed
High-performance stream parsing handles datasets with tens of thousands of rows smoothly.
📊 Native Excel & CSV Support
Full support for comma, semicolon, tab delimiters, and modern .xlsx multi-sheet workbooks.
🚫 Zero Paywalls or Watermarks
Enjoy uncompromised utility without subscriptions, ads, or file export quotas.
Frequently Asked Questions
Is there any row limit?
The viewer handles spreadsheets with 50,000+ rows smoothly using client-side pagination.