Data Exploration
Preview and explore CSV datasets with sorting, search, and column filtering. Handle large files with thousands of rows.
CSV Tools
Rows —Cols —Size —
Paste or upload CSV data on the left to preview as a sortable table
The All-in-One CSV Toolkit for Developers
Online Data Tools CSV Tools is a free, browser-based CSV viewer, formatter, and converter that lets you view, clean, and transform CSV data into JSON, XML, SQL, YAML, and Excel. Whether you're cleaning up datasets, preparing database imports, or converting between formats, our tools make it effortless.
Key Features
CSV Viewer
View CSV data in a sortable, filterable table with search, pagination, and column-level filtering. Handles large files with thousands of rows.
CSV Formatter
Clean and normalize messy CSV data. Proper quoting, consistent delimiters, and standardized formatting for production-ready output.
CSV to JSON Converter
Convert CSV to JSON arrays with automatic type detection. Supports pretty-print and minified output for API payloads.
CSV to XML Converter
Transform CSV data into well-formed XML with customizable root and row element names. Proper escaping and sanitized tag names.
CSV to SQL Converter
Generate CREATE TABLE and INSERT statements from CSV data. Auto-detects column types. Supports MySQL and PostgreSQL dialects.
CSV to YAML Converter
Convert CSV to clean YAML for configuration files, DevOps pipelines, and Kubernetes manifests. Human-readable output with proper indentation.
CSV to Excel Converter
Export CSV data to Excel (.xlsx) format with proper column headers and data types. Download instantly for spreadsheet workflows.
How It Works
1
Paste or Upload CSVPaste your CSV data into the editor, drag & drop a .csv file, or click Upload to browse.
2
Choose Your ToolSelect Viewer to explore data, Formatter to clean it, or a converter (JSON, XML, SQL, YAML, Excel).
3
Copy or DownloadCopy the result to clipboard, download as a file, or export directly to Excel.
Common Use Cases
API Integration
Convert CSV exports to JSON for REST API payloads, or generate YAML for DevOps configuration and Kubernetes manifests.
Database Imports
Generate SQL INSERT and CREATE TABLE statements from CSV data with auto-detected column types for MySQL and PostgreSQL.
Reporting & Cleanup
Clean messy CSV files from multiple sources, normalize formatting, and export to Excel for stakeholder reporting.
Frequently Asked Questions
Are these CSV tools free?
Yes! Online Data Tools CSV Tools are completely free with no sign-up, no ads, and no usage limits.
Is my CSV data safe?
Absolutely. All processing happens in your browser using PapaParse and SheetJS. No data is ever sent to our servers.
How large of a CSV file can I process?
The tools handle files with tens of thousands of rows. The viewer uses pagination to render large datasets efficiently.
Does the CSV to SQL converter detect column types?
Yes. It automatically detects integer, decimal, and text types by scanning your data and generates appropriate column definitions.
Can I use tab-separated (TSV) files?
Yes. The parser auto-detects delimiters including commas, tabs, semicolons, and pipes, so TSV files work automatically.