From the blog
Plain-English tutorials and comparisons about PowerPoint, PPTX, and the tools that open them.
How to Convert a PPTX to PDF for Free (Browser, Mac, Windows)
Four ways to convert .pptx to PDF without paying or installing anything — plus the one method that preserves selectable text in the output.
5/23/2026
PPTX vs PPT: What's the Difference and Which Should You Use?
PPTX and PPT look interchangeable but they aren't. Here's what changed in 2007, why it matters in 2025, and which format you should be saving in today.
5/23/2026
How to Open a PPTX File Without PowerPoint (Free, No Download)
Need to open a .pptx file but don't have PowerPoint installed? Here are four reliable ways to view your presentation in seconds — including one that keeps your file fully private.
5/23/2026
How to Open a PPTX File on Mac (5 Free Ways)
PowerPoint isn't installed on most Macs by default. Here are five reliable ways to open .pptx files on macOS — including one that doesn't require any download.
5/18/2026
How to Open a PPTX File on iPhone (No App Required)
You can open PowerPoint files on iPhone without installing any app. Here are three ways — including one that works on iPad and Android phones too.
5/13/2026
How to Compress a PPTX File (Reduce Size Without Losing Quality)
PPTX files balloon to hundreds of MB because of un-compressed images. Here's how to shrink a PowerPoint file without making it look terrible.
5/8/2026
How to Convert Google Slides to PPTX (Without Losing Fonts)
Exporting Google Slides to .pptx is one click — but custom fonts, charts, and embedded videos often break in the conversion. Here's how to do it right.
5/3/2026
How to Convert Keynote to PPTX (Keep Animations and Fonts)
Apple Keynote exports to .pptx, but some Keynote features have no PowerPoint equivalent. Here's what survives, what breaks, and how to fix it.
4/28/2026
7 Free PowerPoint Alternatives Worth Using in 2026
PowerPoint costs $70+ per year. Here are seven free presentation tools that handle .pptx files, ranked by what they're best at.
4/23/2026
PPTX vs PDF: Which Format Should You Send?
Sending a presentation? PPTX preserves editability; PDF preserves formatting. Here's how to decide which one is right for your situation.
4/18/2026
How to Extract All Images from a PPTX File (Free, 2 Minutes)
Need every image from a PowerPoint deck? You don't need PowerPoint installed — .pptx files are ZIP archives, and the images are right inside.
4/13/2026
How to Fix a Corrupt PPTX File (5 Recovery Methods)
A .pptx that won't open is usually recoverable. Here are five methods, from simplest to last-resort, that get most decks back.
4/8/2026