How to Generate PowerPoint from Python in 2026

#python #tutorial #api #powerpoint

Three ways to create .pptx files from Python in 2026: python-pptx (free library), SlideForge API ($0.03/slide), and PptxGenJS. This tutorial covers working code for each, the pain points, and when to use which.

python-pptx: The DIY Approach

from pptx import Presentation
from pptx.util import Inches, Pt

prs = Presentation()
slide = prs.slides.add_slide(prs.slide_layouts[6])
txBox = slide.shapes.add_textbox(Inches(1), Inches(2), Inches(8), Inches(1))
txBox.text_frame.text = "Q1 Revenue: $12.4M"
txBox.text_frame.paragraphs[0].font.size = Pt(28)
prs.save("report.pptx")

Works great for simple slides. But for consulting-quality output (KPI dashboards, SWOT matrices, timelines), you're looking at 60+ lines per slide â€” fonts, alignment, colors, spacing, all manual.

SlideForge API: 5 Lines

import requests

resp = requests.post(
    "https://api.slideforge.dev/v1/render",
    headers={"Authorization": "Bearer sf_live_YOUR_KEY"},
    json={"template": "kpi_dashboard", "brief": "Revenue $12.4M +18%, Clients 847 +23%, NPS 4.6"},
)
print(resp.json()["pptx_url"])  # ready in <1s

50 templates, $0.03/slide for templates, $0.20 for AI-designed custom layouts. Real editable .pptx.

When to Use Which

	python-pptx	SlideForge
Cost	Free	$0.03-$0.20/slide
Setup time	Hours-days	5 minutes
Design quality	You manage	Consulting-grade
Templates	Build your own	50 built-in
Best for	Full control, offline	Speed, quality, API automation