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HEX to Text Converter

開発者

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入力

出力

クライアント側

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ガイド

HEX to Text Converter

Convert hexadecimal strings back to readable text instantly. Paste hex values in any common format — with spaces, dashes, 0x prefixes, or raw hex — and get the decoded text output. The reverse of our Text to Hex converter, perfect for decoding hex dumps, debugging network data, and reading encoded strings.

使い方

Paste your hexadecimal string into the input area. Select the format or leave it on Auto-detect to let the tool figure out the separator. Click 変換する to decode the hex to readable text. Copy or download the result.

特徴

自動フォーマット検出 – Automatically detects hex format: spaced (48 65 6C), raw (48656C), 0x-prefixed (0x48 0x65), \x-prefixed (\x48\x65), or dash-separated (48-65-6C)
UTF-8 Support – Properly handles multi-byte UTF-8 characters including emoji and international text
エラー処理 – Clearly reports invalid hex characters or malformed input
Byte & Character Count – Shows the number of bytes processed and characters decoded
コピーとダウンロード – クリップボードにワンクリックでコピーするか、テキストファイルとしてダウンロード
クライアントサイドのみ – すべての変換はブラウザ内で行われ、データはどのサーバーにも送信されません

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 よくある質問

What hex formats does this tool accept?

The tool accepts all common hexadecimal formats: raw hex without separators (48656C6C6F), space-separated pairs (48 65 6C 6C 6F), dash-separated (48-65-6C-6C-6F), 0x-prefixed (0x48 0x65 0x6C), and backslash-x prefixed (\x48\x65\x6C). Auto-detect mode handles all of these automatically, or you can specify the format manually for edge cases.
How does hexadecimal text encoding work?

Text is stored as numbers in computers. Each character has a numeric code (like 65 for uppercase A in ASCII). Hexadecimal is a base-16 number system that represents these numeric codes more compactly than decimal. When text is hex-encoded, each character becomes a pair of hex digits (00-FF). To decode, each hex pair is converted back to its numeric value, then mapped to the corresponding character using the character encoding (typically UTF-8).
Can this tool handle non-ASCII characters?

Yes. The tool supports full UTF-8 decoding, which means it can handle international characters, accented letters, CJK characters, and emoji. UTF-8 uses multi-byte sequences for characters outside the basic ASCII range — a single character may be represented by 2, 3, or 4 hex byte pairs. The tool correctly reassembles these multi-byte sequences into the original characters.