File & Data Tools Tools
Free file & data tools tools that actually work
CSV, Excel, and JSON data tools.
All File & Data Tools Tools
8 tools available • Sorted by popularity
CSV to Excel
Convert CSV files to Excel (.xlsx) format online.
Excel to CSV
Convert Excel (.xlsx) files to CSV format easily.
CSV Viewer
View and explore CSV files in a clean, searchable table.
File Size Calculator
Convert between different file size units (B, KB, MB, GB, TB).
File Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes for your files.
File Extension Finder
Identify unknown file extensions and how to open them.
File Rename Tool
Generate batch rename patterns for your files.
CSV to JSON
Convert CSV data into JSON format instantly.
About File & Data Tools Tools
Our file & data tools tools are designed to help you accomplish tasks quickly and efficiently. Whether you're a professional, student, or casual user, you'll find the right tool for your needs. All tools are completely free and work directly in your browser - no downloads, no installations, and no registration required.