Import
Select a PPTX, PDF, or HTML lecture. Parsing and media extraction begin locally.
01 Import · Reorganize · Download
Make every lecture
worth reading.
Upload a PPTX, PDF, or HTML lecture. Jang extracts the text and visuals, applies OCR to sparse PDF pages when Gemini is configured, creates a stable PowerPoint design, verifies the package, and gives you one downloadable .pptx file.
Source-preserving extraction
Verified PowerPoint package
One downloadable PPTX
Workspace
Rebuild a lecture
The source file is parsed in the browser. Extracted text, the visual manifest, and only OCR-required page snapshots are sent to Gemini when configured.
1
Choose the sourceOne .pptx, .pdf, .html, or .htm file
FILE
Verification protects the Gemini quota from automated abuse.
Select a file, then press Confirm & Build PowerPoint. Cover details below are optional.
2
Optional cover detailsEdit these before confirming only when needed
Checking the Cloudflare AI configuration…
Your PowerPoint slide preview appears here
The .pptx file is built and verified before the preview and download button are enabled.
Reading the lecturePreparing content for extraction…
- Read sourceValidate and parse PPTX, PDF, or HTML
- Extract and OCRText, tables, images, diagrams, and sparse PDF pages
- Reorganize with GeminiCreate a source-traceable structure
- Build and verify PPTXCreate the final file and verify text and image occurrences
The pipeline
Four clear steps. One verified file.
Extract
Text, embedded images, page snapshots, and source diagrams are collected. Sparse PDF pages are sent through OCR when available.
Rebuild
Gemini organizes the verified source units without allowing diagrams to replace ordinary text or images.
Download
The final PowerPoint package is built, checked for expected text and image occurrences, previewed, and downloaded as .pptx.