Skip to main content

AI presentation editor

Edit PPTX presentations with AI.

Open real PPTX files. Ask the agent to audit a deck, revise selected slides, refine layouts and speaker notes, or build an editable presentation from the documents already in your project.

Editable PPTX outputSlide-native objects and notesFree plan available
Nebula WriterFileEditViewHelp
Saved
Launch thesis01 / 05
Customer activation · decision brief

Make the first useful outcome happen before setup feels like work.

Launch a guided first-run path around one real document, one visible win, and a human handoff only when confidence drops.

24 interviews312 sessions6 teams
Customer portrait from interview 17
“Show me the win first. I’ll learn the system after I trust it.”
Operations lead · Interview 17
Guided setup research · 24 interviews / 312 sessionsLaunch working session · 18 Jun
Presentation5 slides24 editable objects
v0.4.8
Source open
Edit the deck, review AI changes, and keep the supporting files together in one project.

Work with the deck you already have

An AI PowerPoint editor that starts with the presentation.

Nebula Writer works inside a project folder instead of flattening a presentation into a chat attachment. Inspect the deck first, define a narrow task, and verify the result slide by slide.

Understand the deck first

Ask the agent to audit slide order, title consistency, text overflow, contrast, and off-canvas objects before it changes the presentation.

Make bounded slide edits

Revise selected slides while preserving the approved numbers, slide size, visual system, and untouched sections you specify.

Edit presentation-native content

Work with text, shapes, images, tables, object layers, alignment, and backgrounds instead of flattening the deck into pictures.

Keep speaker notes with the story

Add or revise speaker notes so the context behind each conclusion stays attached to the slide where it belongs.

Review before revision

Keep the request focused and the deck verifiable.

Start with an audit, choose the slides that need work, and preserve the constraints that matter. The finished PPTX stays editable so you can inspect every object and note before handoff.

Explore complete presentation workflows
  1. 01

    Open the source deck

    Keep the PPTX beside the reports, workbooks, images, and research that support it.

  2. 02

    Ask for a deck audit

    Find text overflow, layout drift, weak contrast, off-canvas objects, and slides with competing ideas.

  3. 03

    Revise a bounded slide range

    Name the audience, slides, approved facts, visual constraints, and speaker-note requirements.

  4. 04

    Review and hand off

    Inspect every affected slide, save the PPTX, and verify compatibility in PowerPoint before delivery.

Presentation files and sources

Keep the editable deck and its evidence close together without confusing one for the other.

PPTX

Open and save editable PowerPoint presentations with slide thumbnails, common objects, formatting controls, and speaker notes.

PDF

Use PDFs as supporting evidence in the project. Nebula Writer does not currently export a PPTX deck directly to PDF.

DOCX, XLSX

Keep reports and workbooks beside the deck so the agent can use selected source material while revising or creating slides.

Frequently asked questions

AI presentation editing, explained.

What is an AI presentation editor?

An AI presentation editor combines a slide workspace with an AI assistant that can inspect a deck and make requested revisions. Nebula Writer keeps the PPTX visible so you can review slide order, objects, formatting, speaker notes, and the resulting file.

Can AI edit an existing PowerPoint file?

Yes. Nebula Writer can open an existing PPTX presentation, audit it, and make bounded changes to selected slides. You can inspect the revised deck before accepting and sharing the result.

Does the finished presentation remain editable?

Yes. Nebula Writer works with slide-native text, shapes, images, tables, layouts, and notes, then saves the result as an editable PPTX file rather than a set of flat slide images.

Can Nebula Writer create a presentation from documents or spreadsheets?

Yes. You can use selected reports, research files, and workbooks as source material for a new PPTX deck while keeping those sources unchanged in the project.

Does Nebula Writer replace Microsoft PowerPoint?

Nebula Writer covers common slide editing, objects, layouts, speaker notes, deck audits, and AI-assisted revisions. Verify fonts, media, animations, transitions, and exact compatibility in PowerPoint or another presentation app before a high-stakes handoff.

Bring AI to the presentations already in your project.

Download Nebula Writer, open a PowerPoint deck, and start with a focused audit or slide revision.