Free browser utility
File Encoding Converter to UTF-8
Choose the original encoding, select one or more files, preview the decoded text, and download UTF-8 copies.
✓ Local processing✓ No registration✓ No file upload
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Before
GBK / Big5 / Shift-JIS encoded file
→
After
UTF-8 encoded downloadable copy
How to use File Encoding Converter to UTF-8
- Paste text or select local files in the tool area.
- Choose any options that match the source data.
- Run the conversion or repair and review the preview.
- Copy the result or download the generated file.
Privacy and local processing
This project performs processing, document generation or calculations in your browser. The page does not include an upload endpoint, analytics script or remote processing API call. Avoid pasting sensitive data into websites you do not control.
Frequently asked questions
Which encodings are supported?
The available list includes UTF-8, Windows-1252, GBK, Big5, Shift-JIS, EUC-JP, EUC-KR and several Windows code pages. Browser support can vary.
Are files sent to a server?
No. Your browser reads and converts the selected files locally.