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Supports: PPTX
Turn each slide of a PowerPoint (.pptx) deck into a flat JPG image — ideal for thumbnails, social posts, forum uploads, or anywhere a slide needs to display as a plain picture rather than an editable file. A multi-slide deck produces one JPG per slide, so a 12-slide presentation comes back as 12 numbered images. Animations, transitions, and embedded video are flattened away; what you get is exactly what the slide looks like when it stops moving.
JPG is the right pick when slides are photo-heavy and you want the smallest files; PNG wins when slides are full of text, charts, or logos. JPEG's lossy compression can leave faint halos around sharp edges, which is most visible on small type.
| Property | JPG | PNG |
|---|---|---|
| Compression | Lossy (DCT-based) | Lossless |
| Text and sharp edges | Can show artifacts/halos | Stays crisp |
| Transparency | No (flattened to a solid color) | Yes (alpha channel) |
| Typical file size | Smaller | Larger |
| Best slide type | Photos, gradients | Text, charts, screenshots, logos |
| Color depth | 8 bits per channel (~16.7M colors) | Up to 16 bits per channel |
If your slides are text- or chart-heavy, convert PPTX to PNG instead to avoid edge artifacts. To keep the whole deck as one shareable file, convert PPTX to PDF.
You get one JPG per slide. A 20-slide deck returns 20 separate images, named in slide order, which you can download one at a time or all together as a ZIP. If you need a single file that holds every slide, convert to PDF instead — JPG has no multi-page concept.
JPG uses lossy compression built on the discrete cosine transform, which is tuned for photographs and can leave faint halos around high-contrast edges like black text on white. Raising "Conversion Quality" to 300 DPI and keeping "Quality Preset" on Very High reduces it; for genuinely crisp text, PNG's lossless compression is the better choice because it reproduces sharp edges exactly.
For print or high-resolution displays, 300 DPI is the standard and the default here. For web thumbnails, forum avatars, or email where small file size matters, 96 DPI (standard screen resolution) is plenty. Going above 300 DPI mainly increases file size and processing time without a visible gain on screen.
No. JPG has no alpha channel, so any transparent or "no fill" area is flattened to a solid color — White by default, which you can change under "Image Transparency". If you need the background to stay transparent (for overlaying a slide on another design), convert to PNG, which supports full alpha transparency.
There is no fixed slide-count limit; the practical constraint is your upload size and connection speed, since the file is sent to our servers for rendering. In our testing, a 15-slide 16:9 deck at 300 DPI returned 15 JPGs in well under a minute. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark, never shared or made public.