free firefox add on

Cells Assistant for Excel - free Microsoft Excel add-in /plugin.

Add custom captions, reorganize controls or add to create a distinct file dialog

Add or edit OEM information and logo in Windows System Properties.

Add text or image watermark to PDF document.

Add, install, reinstall, troubleshoot, or repair Microsoft Print to PDF printer with a click.

Add text and image watermarks to multiple PDF documents in seconds.

Add as many seconds as you set to each caption in your SRT subtitle file.

Add watermarks to your digital images.

Add PDF viewer, document viewer, and OCR, and Barcode features to your apps.

Add or modify meta data from audio file.