Best CSV Converters in 2026

A CSV editor/viewer.

Key Modern CSV features:

Fast Loading and Editing Multi-Cell Editing Advanced Navigation Customizable Interface

freemium $39 / One-off (Valid for the current major version - v2)

A unified, OpenAI-compatible gateway to every major LLM provider. One endpoint, one key, one bill - with automatic routing and failover.

Key boldrouter features:

AI-Powered Routing Automation Capabilities Scalable for Growing Teams Integration Potential

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The ultimate CSV Editor. Import, tweak, fix, analyse and convert.

Key Csv Easy features:

User-friendly Interface Quick Data Processing Compatibility Cloud-based Access

Clean messy CSV files in seconds.

Key CSV Cleaner features:

CSV Upload Instant Data Preview Duplicate Removal Trim Whitespace

freemium $4 / One-off (Unlimited Day Pass)

Free Windows tool to convert CSV to JSON, SQL, VCF/vCard, and Excel XLSX. Split large CSV files, batch convert, auto-detect separators, and export contacts for MySQL, PostgreSQL, Google Contacts, and Outlook.

Key CSV2All features:

Multiple Output Formats Batch Processing Simple Interface Customizable Output

Explore Spreadsheets with Millions of Rows.

Key CSV Explorer features:

User-Friendly Interface Data Visualization Quick Data Processing Cloud-Based

CSV Buddy helps you make your CSV files ready to be imported by a variety of software.

Key CSV Buddy features:

User-Friendly Interface Free to Use Lightweight No Installation Required

howToCSV - Data Analysis Tools for CSV and Excel: suite of tools designed to help you clean, transform, visualize, and analyze your data with ease. Just upload your CSV or Excel files! All in browser and made to speed up boring spreadsheet things.

Key HowToCSV features:

Merge Forecast Chartize Synthetic Scenarios

free

Free online table converter tool. Convert CSV, HTML, JSON, Markdown, and other table formats instantly. No registration required, works offline, and keeps your data private.

Key Table Format Converter features:

Free to use Multiple format support No installation required Easy to use interface

free

Backup your notes and shopping lists on Android.

Key OI ConvertCSV features:

User-Friendly Interface Support for Multiple Formats Web-Based Accessibility No Installation Required

Convert invoice PDFs to CSV and Excel format in seconds. Extract invoice data, line items, and tax information automatically. Try 1 free conversion.

Key BillToSheet features:

Automated Data Entry Google Sheets Integration Simplicity and Ease of Use Cost-Effective for Small Businesses

Automatically clean customer data with a few clicks.

Key Clean Spreadsheets features:

User-Friendly Interface Integration Capabilities Data Cleaning Features Automation Options

20 free CSV and Excel tools that run entirely in your browser. Convert CSV to JSON, Excel, SQL, XML or Markdown, open and search large files, split, merge and dedupe. Nothing is uploaded and no account is needed, because there is no server.

Key The CSV Pro features:

CSV-Focused Functionality Simplicity Potential for Fast Performance Targeted Feature Set

63 free CSV tools that run entirely in your browser: view, edit, validate, repair, and convert CSV to Excel, JSON, SQL and more. No uploads or signup - files never leave your device.

Key CSVTool.io features:

No Registration Required Privacy-Focused Works Offline

free