Which character encodings are supported?

UTF-8, Shift_JIS, EUC-JP, and ISO-2022-JP are supported.

Is automatic encoding detection available?

Yes. The character encoding of the input text is automatically detected.

No. All processing happens in your browser.

Characters that cannot be represented in the target character encoding are replaced with '?' or a substitute character, or displayed as an error.

Yes. Dropping a text file loads it automatically and you can convert and download it with the specified character encoding.

Auto-detect text encoding and convert to another encoding. Useful for fixing garbled text.

inputText

sourceEncoding

→

targetEncoding

Which character encodings are supported?: UTF-8, Shift_JIS, EUC-JP, and ISO-2022-JP are supported.
Is automatic encoding detection available?: Yes. The character encoding of the input text is automatically detected.
Is my data sent to a server?: No. All processing happens in your browser.
How are unconvertible characters displayed?: Characters that cannot be represented in the target character encoding are replaced with '?' or a substitute character, or displayed as an error.
Can I drop a text file to convert it?: Yes. Dropping a text file loads it automatically and you can convert and download it with the specified character encoding.

Last Updated: 2026-02-21