SlideFill — PPT decks generated from Excel
SlideFill · Upload a template and a sheet, get finished decks, billing built in
3 steps
template, data, download
Workflow
Per row
Excel data → PPT slides
Generation
Global
subscriptions & refunds automated
Billing
Free & Pro
subscription
Plans
Overview
SlideFill fills a PPT template from every row of an Excel file. Recurring reports, proposals and certificates — same format, different content — get produced without manual work. It runs as a real product with free/pro plans and international billing.
Challenge
PPT files are structurally messy; replacing text without breaking formatting was the core problem. The web app and the document engine spoke different languages, and billing, refunds and subscription state had to be rock solid.
Solution
The document engine runs as a separate service behind the web API, so each part deploys and scales on its own. Billing uses a global subscription provider, with webhook events verified and replayed safely. Guides, community and insight sections teach the workflow.
Strategy
One thing well
Scope narrowed to perfect text replacement so the first version shipped fast.
Engine split
Document processing runs as its own service, deployed and scaled apart from the web.
Billing hardening
Subscription, webhook and refund flows designed with verification and replay.
Onboarding content
Sample files, guides and pricing cut drop-off before the first generated deck.
Execution
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