CSV Viewer & Editor
View, edit, sort and export CSV files
Upload CSV
Drop a CSV file here or click to browse your filesystem.
Continue with
Keep the workflow moving with a closely related next action.
Privacy & Trust
Browser-side table editing
CSV parsing and table edits stay in the browser, which is useful for one-off inspection of internal exports or support files.
Spreadsheet-friendly flow
You can upload, sort, edit headers, tweak individual cells, and then export the revised CSV without jumping into a separate spreadsheet app.
CSV is still plain text
Formatting, formulas, and workbook features from spreadsheet software are not preserved here. This tool focuses on raw CSV structure only.
Export table
Load a CSV source before exporting.
Suggested Next Steps
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How to Use
Upload Your File
Drag and drop your file or click to browse. Your file stays in your browser.
Adjust Settings
Configure options to get exactly the result you need.
Download Result
Process and download your file instantly — no waiting, no server upload.
Why Use This Tool
100% Free
No hidden costs, no premium tiers — every feature is free.
No Installation
Runs entirely in your browser. No software to download or install.
Private & Secure
Your data never leaves your device. Nothing is uploaded to any server.
Works on Mobile
Fully responsive — use on your phone, tablet, or desktop.
Your Files Stay Private
This tool processes your files entirely in your browser. Nothing is uploaded to any server — your data never leaves your device.
- No server upload — 100% client-side processing
- No data stored — files are discarded when you close the tab
- No account required — use instantly without signing up
CSV Viewer: Open and Explore CSV Data Files in Your Browser
Key Points
- CSV (Comma-Separated Values) is the universal data exchange format supported by all spreadsheet software
- View, sort, and search large CSV files without installing Excel or Google Sheets
- Handles various delimiters (comma, tab, semicolon) and character encodings automatically
CSV files are everywhere—data exports, database dumps, analytics reports, and API responses. While spreadsheet software can open them, you don't always have it installed or want to wait for it to load. This browser-based CSV viewer opens files instantly, displays data in a clean table, and lets you sort and search without any software installation.
100K+
Rows handled in browser
Common Use Cases
Quick Data Inspection
Open a CSV export from your database, CRM, or analytics tool to quickly check the data structure, column headers, and sample values without opening Excel.
Data Validation
Verify that a CSV file is properly formatted before importing it into another system—check for missing values, correct column counts, and encoding issues.
Sharing Data Previews
View CSV files received from colleagues or clients to understand the data format and contents before deciding how to process them.
Working on Shared Computers
Open CSV files on computers where you don't have spreadsheet software installed—library computers, borrowed laptops, or minimal work environments.
CSV Tips
If columns appear merged, the file may use semicolons or tabs instead of commas—try switching the delimiter setting.
For files with special characters (accented letters, CJK text), ensure UTF-8 encoding is selected for correct display.
Use the search feature to find specific values across large datasets rather than scrolling through thousands of rows.
Sort by columns to quickly identify outliers, duplicates, or missing data in your dataset.
All CSV processing happens locally in your browser using PapaParse. No data is uploaded to any server, ensuring complete privacy of your data files.