Watermark XLSX is an online service that allows to add stamps to XLSX. Add text or image stamp to XLSX easily. You can add simple watermarks like DRAFT, CONFIDENTIAL and implement more complex cases like Copyright text or evaluation mark.
With this easy-to-use application you can place watermarks with a few clicks: just open your XLSX file, provide text or image and choose a desired template. We prepared most demanded presets for your convenience. Please choose where the stamp can be placed: Top, Bottom or Center. The resultant file will be available quickly and can be downloaded during 24 hrs.
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.Read more
You can also add watermark to many other file formats. Please see the complete list below.