SlidePack is a templating engine for PowerPoint, provided as a web service. Use your existing presentations as templates and populate them with varying data. No more manually updating hundreds of pages of monthly reports.

Fill in placeholders with text. Populate tables with data. Populate charts with data. Insert images and videos. Compose your output by repeating and reusing template slides in any order. Override text styling and theme colors. Unlimited number of slides per presentation.

You can use your existing pptx files as templates, giving you full control over design and structure. You can either supply the data in JSON format for more flexibility and power, or in Excel format for quick use with zero code. Your first 30 days are free, and no credit card is required for sign-up. Afterwards there are free and paid plans depending on usage volume.