# Gamma AI

> Gamma AI is an independent AI presentation tool that turns a topic or existing document into a presentation draft and exports an editable PPTX file.

Gamma AI helps organize a presentation around its purpose and audience. Users can review and edit the generated slides in the browser before exporting them. The site is available in Japanese and English. Gamma AI is not an official gamma.app service and has no affiliation or operating relationship with gamma.app.

Last updated: 2026-08-08

## Main pages

- [Home](https://gammaai.jp/en): Create AI presentations, edit them in the browser, and export PPTX files
- [AI presentation generator](https://gammaai.jp/en/ai-generate-ppt): Create a presentation draft from a topic and goal
- [AI presentation redesign](https://gammaai.jp/en/ai-beautify-ppt): Improve the layout of an existing PPTX file
- [PDF to PPT](https://gammaai.jp/en/ai-pdf-to-ppt): Reorganize PDF content into an editable presentation
- [PPT reverse prompt](https://gammaai.jp/en/ppt-reverse-prompt): Describe the colors, typography, and layout of an existing deck
- [PPT to PDF](https://gammaai.jp/en/ppt-to-pdf): Convert a PowerPoint file to PDF
- [About Gamma AI](https://gammaai.jp/en/about): Product purpose and basic workflow

## Core capabilities

- Create an outline and slide copy from a topic, goal, and audience
- Reorganize PDF or document content for a presentation
- Review and edit generated slides in the browser
- Export an editable PPTX file
- Use the website in Japanese or English

AI-generated text, numbers, names, quotations, and citations can contain errors. Users should verify content and rights before publishing or presenting it.

## Basic workflow

1. Enter the topic, audience, goal, and preferred tone.
2. Gamma AI creates an outline and slide draft.
3. Review and revise the content, then export it as PPTX.

## Contact

- Website: https://gammaai.jp
- Email: hello@gammaai.jp