ChekakStore/Công cụ/Hex DecodeMã hóa🔣Hex DecodeHex to textMở trên tools.chekak.storetools.chekak.store/tool/hex-decodeHex to textCông cụ liên quan📤Base64 EncodeEncode text to Base64📥Base64 DecodeDecode Base64 to text🔗URL EncodePercent-encode URL🔓URL DecodeDecode URL-encoded string🔢Hex EncodeText to hex (UTF-8)🧷HTML EscapeEscape HTML special chars