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Character Encoding Codec

Character Encoding Codec, processed in your browser with copy and download.

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LOCAL · PRIVATE · TOOLS

Character Encoding Codec

Processing stays in this browser. Your input is not uploaded.

Input and keys stay in a browser Worker. Characters not representable in the selected encoding are rejected instead of silently replaced. Without a delimiter, fixed-width bytes are used (hex 2, decimal 3, binary 8, octal 3 digits). GB2312 uses its strict 7,445-character table; other legacy codecs use the labeled compatibility mappings. GB18030 uses iconv-lite mappings, without a claim of 2022 certification.

15 / 100,000

Processed content stays in this page’s memory and cannot be recovered after clearing or closing.

About this tool

Character Encoding Codec, processed in your browser with copy and download. Input and keys stay in a browser Worker. Characters not representable in the selected encoding are rejected instead of silently replaced. Without a delimiter, fixed-width bytes are used (hex 2, decimal 3, binary 8, octal 3 digits). GB2312 uses its strict 7,445-character table; other legacy codecs use the labeled compatibility mappings. GB18030 uses iconv-lite mappings, without a claim of 2022 certification. Input and output are not uploaded. Metrics contain only status, duration, count and copy/download actions.

How to use

  1. Load the example or enter input and select an operation.
  2. Run the tool; cancel at any time.
  3. Review, copy or download the TXT result. Editing clears old output.

Frequently asked questions

What happens to invalid input?

Invalid formats, out-of-range numbers and oversized outputs are rejected. Follow the example; inputs are not silently repaired.

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