CSV Viewer & Editor - CSVLab

CSV Viewer & Editor is a powerful CSV viewer and CSV editor that lets you open CSV files, edit spreadsheet data, and visualize datasets with charts directly on your phone.

Quickly read CSV files, edit CSV tables, filter rows, and convert CSV to Excel or JSON with a fast and responsive interface.

The app is optimized to open large CSV files with thousands of rows while remaining smooth and stable.

No accounts. No uploads. Everything works fully offline.

📂 CSV Viewer – Open CSV Files Instantly

Use this app as a fast CSV reader and CSV file viewer.

• Open CSV files instantly

• Supports CSV, TSV, and PSV formats

• Automatic delimiter detection

• Smooth scrolling spreadsheet grid

• Handles large datasets without freezing

Perfect for viewing exported CSV spreadsheets, logs, or datasets.

✏️ CSV Editor – Edit Spreadsheet Data

Edit CSV data directly on your phone with a powerful CSV editor.

• Edit any cell instantly

• Add or delete rows and columns

• Resize columns with auto-fit

• Undo / Redo support

Quickly modify CSV files, update spreadsheet data, or clean datasets.

🔎 Sort & Filter CSV Data

Analyze and organize your CSV datasets.

• Sort columns (A–Z / Z–A)

• Filter rows by values

• Freeze the first column

• Remove duplicate values

Great for cleaning CSV data and exploring datasets.

📊 Create Charts from CSV Data

Turn spreadsheet data into visual charts.

• Create Bar, Line, and Pie charts

• Automatic numeric column detection

• Smart downsampling for large datasets

• Export charts as images

Quickly visualize CSV data and understand patterns.

📤 Convert & Export CSV Files

Easily convert and share your data.

• Convert CSV to Excel (.xlsx)

• Convert CSV to JSON

• Covert CSV to PDF directly

• Share files directly

Perfect for working with CSV spreadsheets across different formats.

⚡ Optimized for Large CSV Files

Built for performance when working with large datasets.

• Handles large CSV files efficiently

• Background processing for heavy tasks

• Stable limits to prevent crashes

🌗 Light & Dark Mode

• Clean light theme for spreadsheets

• Comfortable dark mode for long sessions

🔒 Privacy-First CSV Viewer

• Files stay on your device

• No login required

• No data collection

Your CSV files remain private and secure.

Ideal For

Developers – open logs and exported data

Data analysts – filter and visualize CSV datasets

Students & researchers – analyze survey data

Anyone who needs a reliable CSV viewer and editor