Fix Garbled CSV Text — Character Encoding Repair

Free, no signup, character encoding conversion right in your browser No data stored

📄 CSV file
✏️ Text
📄
Drag & drop a CSV file
or click to choose a file

Result

Preview

Result

Preview

🔒 Privacy first

Everything is processed inside your browser and never uploaded to a server.

⚡ Fast conversion

Even multi-megabyte files finish in seconds. No waiting around.

🆓 Completely free

No signup, no fees. Every feature is free to use.

How to use

1

Choose what to convert

Upload a CSV file, or paste the text directly.

2

Pick the output encoding

Choose UTF-8, Shift-JIS or EUC-JP. UTF-8 is the default.

3

Convert and check

Review the preview, then download or copy the result.

FAQ

Q. Why does my CSV file turn into garbled text?
A. Mojibake happens when the file's encoding does not match the encoding the app uses to read it.
Q. Which encoding should I choose?
A. Use UTF-8 with current Excel versions and Google Sheets. For older Excel setups, Shift-JIS is usually the safer choice.
Q. Where are my files and text stored?
A. This site runs entirely in your browser and never uploads your data to a server.