Shift-JIS to UTF-8 Converter

Convert Japanese Shift-JIS encoding to UTF-8
100% Local Processing — Your files never leave your device
Preset: Convert from Shift_JIS to UTF-8

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Supports text files: .txt, .csv, .html, .json, .xml, etc.

About Shift-JIS to UTF-8 Conversion

Shift-JIS (SJIS) is a Japanese character encoding used in Windows systems before UTF-8 adoption. UTF-8 is the modern standard that supports all languages including Japanese, Chinese, Korean, and more.

100% Local Processing — Your files never leave your device

When You Need This Conversion

  • Japanese text files from older Windows systems
  • Legacy Japanese software or websites
  • Garbled Japanese text appearing as random symbols
  • Preparing Japanese content for modern web applications

Shift-JIS vs UTF-8

Shift-JIS is a variable-width encoding specific to Japanese. UTF-8 supports all Unicode characters, making it the better choice for modern multilingual content. Converting to UTF-8 ensures your Japanese text displays correctly across all platforms and devices.