pitch change

Crop, rotate, and resize photos, add photo effects, change hue, saturation, and brightness levels.

Modify, change, disguise your voice in any application/game, add effects to files or in real time.

Get API for access to PDF object data - extract, search, change attributes.

Edit PDF files, write annotations, and add or change text.

Edit PDF files, write annotations, and add or change text.

Stay anonymous, change your IP address, and protect your computer from malware and trackers.

Optimize your images and change their size.

Search and Replace multiple Microsoft Word documents, change links and addresses

Make a slideshow screensaver and change your wallpaper from your digital photos

Allows you to change any combination of file time attributes