PowerPoint to PDF

No. The presentation is read and the PDF is made inside your browser, and your file stays on your device. The first time you choose a presentation, the page downloads its presentation reader (pptxtojson, 0.4 MB) from this site; Chinese text also needs this site's Chinese font.

One page a slide at the slide's size, in the presentation's order: the slide's background, the shapes its master and layout put beneath it, and its own shapes with their fills, outlines, turns and flips; text in its boxes, wrapped and aligned as set, with bullets and numbers as the slide, layout and master give them, spacing and line spacing, sizes, bold, italic, underline, strikethrough and colours, and the smaller size PowerPoint gives text that overflows its box; PNG and JPEG pictures; tables with their column widths and their table style's colours.

Charts; SmartArt that comes without the shapes PowerPoint draws for it; video and sound; pictures in EMF, WMF, TIFF, GIF or BMP; animations and transitions (each slide as it finally stands); speaker notes; shadows, glows and 3-D effects; and gradients, which are drawn in their middle colour. Hidden slides are left out, as PowerPoint leaves them out when it prints, unless you tick Include hidden slides. Before you convert, the page names the charts, SmartArt, video and sound and pictures in those formats that the presentation has, and its hidden slides; the rest are not counted.

Helvetica, Times or Courier, by the kind of font the slide names, each fitted to the width of that font, so that text breaks close to where PowerPoint breaks it; it can still break a little differently. Chinese is set in Noto Sans CJK.

PowerPoint presentations in the .pptx, .pptm or .ppsx format, up to 100 MB and 1,000 slides; macros are not run. An older .ppt presentation, a template, an OpenDocument .odp, a Keynote or a WPS file is refused with the way to save it as .pptx. A presentation that needs a password to open cannot be read: remove the password in PowerPoint first.

Yes. Chinese is drawn with the Noto Sans CJK font this site serves: 2.3 MB for common characters, the full 21.7 MB font only when rarer ones are used. A character none of the fonts can draw, such as an emoji, is printed as ? and named on the page.

No. The page loads a PDF engine into your browser and every operation runs on your device. You can check this yourself in the browser's network panel: after the page has loaded there are no upload requests. Closing the tab discards the file.

No. These basic tools are free and never add a watermark. The only limits are the tool's own: presentations up to 100 MB and 1,000 slides; PNG and JPEG pictures. Within them, the practical limit is your device's memory.

A presentation that needs a password to open cannot be read here: the tool says so as soon as you choose it and converts nothing. Open it in PowerPoint, remove the password (File, Info, Protect Presentation, Encrypt with Password, then clear the password), save it, and choose that file.

Nothing you open or type. While the tab is open, the tool pages keep a short list of the steps taken in it, in the tab's session storage: the step (page opened, started, succeeded, first success, used again or failed), the tool's name, the time, how many files were used and, for a failure, an error code; never a file name, the contents of a file or your text. It holds at most the latest 200 steps, and the browser deletes it when the tab closes. The page never sends it. Where a Report a problem button is shown, you can attach the last 20 steps to your report; nothing is attached unless you tick that box. In local storage the page keeps only choices you made: a Light or Dark theme until you choose System again, the language you picked with the EN / 中文 switch if it differs from your browser's language, and this tool in your recently used list if you switched that list on at the tools page.