ReplaCLude is a Excel VBA utility software that enables following on multiple files.
1. Replace "TAG" with specified text
2. Include (Insert) another file at "TAG" point.
ReplaClude doesn't modify original files that containg "TAG", it read your files as a source file. Instead, it will create result file (Target file).
Replace and Include rule can be configured for each target files.
Since ReplaClude is Excel VBA application, you can create more complicated configuration useing Excel functions. It is up to your creativity.

For example, when you are building your website, you can manage common menu/frame and contents separately, without using SSI, PHP, nor other Template Engines. You can build whole set of your HTML files locally.

ReplaCLude has a simple and intuitive interface. so there must be various way to use it.
Please enjoy ReplaClude as you want.