CSV Viewer – Interactive Spreadsheet Inspector
Open, search, filter, sort, and inspect CSV files locally in your browser. Auto-detects delimiters, preserves quoted fields, and highlights empty cells.
CSV Viewer Features
Powerful spreadsheet inspection tools without external uploads
⚡ Auto Delimiter Detection
Automatically recognizes commas, tabs, semicolons, and pipes without manual setup.
📌 Sticky Header & Row Numbers
Freeze table headers at top and display line numbers for effortless navigation.
↕️ Interactive Column Sorting
Click any column header to sort values numerically or alphabetically instantly.
🔍 Global Row & Column Search
Filter table rows dynamically across all fields with real-time feedback.
⚠️ Empty Cell Quality Badges
Highlights missing values with clear badges for rapid data quality assessment.
🔒 100% Offline & Private
Your CSV data remains completely inside your local browser. Zero server processing.
How to Use CSV Viewer
Open CSV File
Drag and drop your .csv file, click Browse CSV File, or click Load Sample CSV.
Sort, Filter & Inspect
Click headers to sort columns. Type search queries to filter rows or use column toggles to simplify views.
Copy or Export
Click Copy Filtered Rows to copy table data, or click Export CSV to save your filtered dataset.
Frequently Asked Questions
Is my CSV file uploaded to any server?
No, 100% private. Your CSV file is read and rendered locally inside your browser using client-side JavaScript. No data is ever transmitted over the network.
Which delimiters are supported?
The tool automatically detects comma (,), tab (\t), semicolon (;), and pipe (|) delimiters.
Can I sort and filter CSV columns?
Yes! Click any column header to sort ascending or descending, and use the search bar to filter rows dynamically.
How are quoted fields and empty cells handled?
The RFC 4180 parser accurately handles escaped quotes and highlights empty cells with distinct badges for fast data quality inspection.