5 free online tools
File Tools
Extract and create ZIP archives, convert CSV, JSON, and Excel files locally in your browser.
ZIP Extractor
Unzip archive files directly in your browser without uploading.
Open toolZIP Creator
Compress multiple files into a single ZIP archive locally.
Open toolCSV to JSON Converter
Convert CSV spreadsheets into clean, structured JSON arrays.
Open toolJSON to CSV Converter
Convert JSON objects and arrays into CSV spreadsheets.
Open toolExcel to CSV Converter
Convert Excel (.xlsx and .xls) workbooks into clean CSV format.
Open tool Category Overview & Feature Comparison
About File Tools
The File Tools collection provides browser-based utilities designed for high performance, local data processing, and complete privacy. Every tool operates entirely within your browser - no server uploads, no watermarks, and no signups required.
| Tool Name | Key Functionality | Client-Side Processing | Usage Limit |
|---|---|---|---|
| ZIP Extractor | Unzip archive files directly in your browser without uploading. | 100% Local | Unlimited / Free |
| ZIP Creator | Compress multiple files into a single ZIP archive locally. | 100% Local | Unlimited / Free |
| CSV to JSON Converter | Convert CSV spreadsheets into clean, structured JSON arrays. | 100% Local | Unlimited / Free |
| JSON to CSV Converter | Convert JSON objects and arrays into CSV spreadsheets. | 100% Local | Unlimited / Free |
| Excel to CSV Converter | Convert Excel (.xlsx and .xls) workbooks into clean CSV format. | 100% Local | Unlimited / Free |