GB2312 to UTF-8 - Chinese Text Converter

Convert GB2312 Simplified Chinese text to UTF-8 online. Fix mojibake in government, banking, and legacy Chinese systems. Fast, browser-based, no uploads.

Input (GB2312)

Drop file here or click to browse

TXT, CSV, DAT from Chinese systems

Or paste text directly:

Output (UTF-8)

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Frequently Asked Questions

GB2312 is a Chinese government character encoding standard from 1980 containing 6,763 Simplified Chinese characters plus Latin and symbols. Widely used in mainland China government systems, banking, and legacy applications.

GB2312 remains common in Chinese government databases, banking systems (especially older ATM/POS terminals), state enterprise software, and legacy ERP systems. Many government portals and official documents still export data in GB2312.

GB2312 (1980) has 6,763 characters for basic Simplified Chinese. GBK (1995) extends it to 21,886 characters including Traditional Chinese. GB18030 (2000) is mandatory in China, supporting 70,244 characters including minority languages.

UTF-8 is the universal web standard, ensuring compatibility with modern browsers, databases, and APIs. Converting GB2312 data to UTF-8 enables integration with international systems, cloud platforms, and mobile apps.

Mojibake (文字化け) is garbled text from encoding mismatches. If GB2312 text displays as random symbols or boxes, it was decoded with the wrong encoding (usually UTF-8). This tool re-encodes it correctly.

Yes. Many Chinese government portals, tax systems, and official databases export data in GB2312 or GBK. Upload the file, and this tool will convert it to UTF-8 for use in modern international systems.

Upload the GB2312-encoded file (often .txt, .csv, or .dat from legacy systems) or paste the text. The tool detects the encoding and converts to UTF-8. Download the result or copy to clipboard.

If Chinese text shows as garbled characters (like ÄãºÃ instead of 你好), and the source is a Chinese government/banking system, it's likely GB2312. Try conversion - if characters display correctly, the encoding was right.

Missing characters (shown as ?) occur when the source uses GBK/GB18030 characters not in GB2312. File corruption from mixed encodings or BOM (byte order mark) can cause partial conversion. Always verify output for completeness.

Currently this tool processes one file at a time for accuracy. For batch processing, convert files individually to ensure proper encoding detection and character validation, especially critical for official documents.

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