Best CSV Tools in 2026

A CSV editor/viewer.

Key Modern CSV features:

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

freemium $39.0 / One-off (Valid for the current major version - v2)

The desktop AI tool for cybersecurity professionals. Built for pentesters, red teamers, and security engineers — agentic AI that runs on your machine, works with your tools, and executes real security workflows.

Key Hacker Sidekick features:

AI-Powered Bug Bounty Assistance Time Savings for Security Researchers Beginner-Friendly Centralized Workflow

Try for free freemium $25.0 / Monthly

Explore Spreadsheets with Millions of Rows.

Key CSV Explorer features:

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

Automatically clean customer data with a few clicks.

Key Clean Spreadsheets features:

User-Friendly Interface Integration Capabilities Data Cleaning Features Automation Options

Clean messy CSV files in seconds.

Key CSV Cleaner features:

CSV Upload Instant Data Preview Duplicate Removal Trim Whitespace

freemium $4.0 / One-off (Unlimited Day Pass)

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

Key Csv Easy features:

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

Microsoft Office Excel is a commercial spreadsheet application.

Key Microsoft Office Excel features:

Comprehensive Features User-Friendly Interface High Compatibility Strong Community and Support

Synchronizing, online-based word processor, part of Google Drive.

Key Google Sheets features:

Accessibility Collaboration Integrations Cost

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

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

The professional choice for working with CSV files.

Key CSV Editor Pro features:

View and edit CSV files Insert, delete, copy rows and columns Warn and fix data format problems Undo

paid Free Trial $27.0 / One-off (5 activations)

Upload messy CSV or Excel files, detect duplicates, missing values, date issues, and export clean results online.

Key CleanCSV AI features:

AI-Powered Data Cleaning Easy to Use Time-Saving No Software Installation Required

Global phone number validation and lookup API.

Key Numverify features:

Accurate Validation Worldwide Coverage Easy Integration Real-Time Verification

Automate text extraction from emails and PDFs by using our powerful email and document parser.

Key Parseur.com features:

Ease of Use Automation Capabilities Integration Options Support for Multiple File Types

freemium $39.0 / Monthly (100 pages per month)