https://multiplefilemaker.com/
find and replace across multiple files
find and replace across multiple files

How do I find and replace multiple files in Windows? How do I find and replace a filename in a folder?

Solutions
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DB Maker
Extract data from text, html, xml and other files.
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Miltiple HTML file generator
Using just one csv-file with a database, you can create thousands of HTML pages.
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Multiple File Search and Replace
Edit, find and replace text in multiple files.
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Website Extractor
The program can download up to 100 files at a time
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find and replace across multiple files
How do I find and replace multiple files in Windows?

The Find/Replace in Files feature enables you to define Search for or Search for and Replace operations across multiple files (for example, in DITA projects you ...