Is this CSV encoding fixer really free?

Yes! This CSV encoding fixer is completely free to use with no hidden costs, no signup required, and no usage limits. You can fix as many CSV files as you need without any restrictions.

Is my data private and secure?

Absolutely! All encoding conversion happens locally in your browser using JavaScript. No files are uploaded to any server, and no data leaves your computer. You can even use this tool offline once the page is loaded.

Does this encoding fixer work offline?

Yes! Once the page is loaded, the tool works completely offline. You can fix CSV encoding issues without an internet connection - perfect for working with sensitive data.

How do I fix Chinese garbled text in CSV online?

Simply upload your CSV file with garbled Chinese characters, and the tool will automatically detect the encoding and convert it to UTF-8 with BOM for Excel compatibility. Download the fixed file and open it in Excel - Chinese characters will display correctly.

Why does Chinese text appear garbled in CSV files?

Garbled text (乱码) occurs when a CSV file is saved in one encoding (like UTF-8) but opened in an application expecting a different encoding (like GBK or GB2312). Excel on Windows is particularly prone to this issue because it defaults to the system encoding rather than UTF-8. The solution is to convert the file to UTF-8 with BOM (Byte Order Mark), which tells Excel to use UTF-8 encoding.

What is the difference between UTF-8 and UTF-8 with BOM?

UTF-8 with BOM includes a special marker (EF BB BF) at the beginning of the file that tells applications like Excel to interpret the file as UTF-8. Regular UTF-8 doesn't have this marker, which can cause Excel to misinterpret the encoding. For Excel compatibility, always use UTF-8 with BOM.

Which encoding should I choose for Excel?

For Excel on Windows, use UTF-8 with BOM. For Excel on Mac, regular UTF-8 works fine. If you're only working with Chinese users on Windows and having issues, GBK is also a good option. UTF-8 with BOM is the safest choice for cross-platform compatibility.

Can this tool fix other languages besides Chinese?

Yes! While optimized for Chinese (Simplified and Traditional), the tool also fixes encoding issues for Japanese (Shift-JIS, EUC-JP), Korean (EUC-KR), and other Asian languages. It can handle any text encoding problem in CSV files.

Is there a file size limit?

There is no hard file size limit. The tool can handle very large CSV files (100MB+) since all processing happens in your browser. However, extremely large files (1GB+) may take longer to process depending on your computer's performance.

Free Online CSV Chinese Encoding Fixer

Free online CSV encoding fixer for Chinese characters. No signup required - 100% free, private, and works offline. Fix garbled text (乱码) when opening CSV in Excel. Convert UTF-8, GBK, GB2312 instantly.

Upload CSV File

Free Online CSV Chinese Encoding Fixer Tool Introduction

Looking for a free CSV encoding fixer? Our powerful tool instantly fixes Chinese character display issues in CSV files - completely free with no signup required. Say goodbye to garbled text (乱码) when opening CSV files in Excel, Google Sheets, or other spreadsheet applications.

This tool automatically detects and converts between different Chinese encodings (UTF-8, GBK, GB2312, Big5) to ensure your Chinese text displays correctly across all platforms and applications. All processing happens locally in your browser - your data stays private and the tool works offline!

Key Features:

Automatic encoding detection and conversion
Supports UTF-8, GBK, GB2312, Big5, and more
Fixes garbled Chinese, Japanese, and Korean text
Works with Excel, Google Sheets, Numbers, LibreOffice
Preserves CSV structure and formatting
Batch processing for multiple files
No file size limit - handle large datasets
100% client-side - your data never leaves your browser

Common Problems Solved:

Chinese characters showing as "???" or random symbols
Excel displaying gibberish instead of Chinese text
CSV exports from databases with wrong encoding
Data migration between different systems
Cross-platform CSV compatibility issues

Free Online CSV Chinese Encoding Fixer User Guide

How to Use

Upload Your CSV File: Click "Upload CSV File" or drag and drop your file
- Supports .csv, .txt files
- No file size limit
- Multiple files can be processed one by one
Automatic Detection: The tool automatically:
- Detects the current encoding (UTF-8, GBK, GB2312, etc.)
- Identifies garbled text patterns
- Determines the correct target encoding
Preview Results: Review the fixed content before downloading
- See before/after comparison
- Verify Chinese characters are readable
- Check data integrity
Download Fixed File: Get your repaired CSV
- Choose output encoding (UTF-8 with BOM for Excel)
- Original file structure preserved
- Ready to open in any application

Common Scenarios

Scenario 1: Excel Shows "???" Instead of Chinese

Problem: You open a CSV file in Excel and see "???" or boxes instead of Chinese characters.

Solution: Upload the file, convert to UTF-8 with BOM, and download. Excel will now display Chinese correctly.

Scenario 2: Database Export with Wrong Encoding

Problem: CSV exported from MySQL/PostgreSQL shows garbled Chinese in Excel.

Solution: The tool detects the database encoding and converts to Excel-compatible format.

Scenario 3: Cross-Platform Data Transfer

Problem: CSV created on Mac/Linux shows garbled text on Windows Excel.

Solution: Convert to GBK or UTF-8 with BOM for Windows compatibility.

Scenario 4: Web Application Export

Problem: Downloaded CSV from web app has encoding issues.

Solution: Upload and convert to your preferred encoding format.

Encoding Guide

Encoding	Best For	Notes
UTF-8 with BOM	Excel (Windows)	Recommended for Excel compatibility
UTF-8	Mac, Linux, Web	Universal standard
GBK	Chinese Windows	Simplified Chinese
Big5	Traditional Chinese	Taiwan, Hong Kong
GB2312	Legacy systems	Older Chinese encoding

Frequently Asked Questions

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