PPTX to AVIF Converter
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Supports: PPTX
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Need help?How to Convert PPTX to AVIF Online
- Upload Your PPTX Files — Drag and drop or select one or more PPTX (PowerPoint) presentation files.
- Choose a Quality Preset — Select from Highest, Very High (Recommended), High, Medium, Low, Very Low, or Lowest.
- Set DPI (Optional) — Choose a DPI setting: 72 DPI (Web), 96 DPI (Screen), 150 DPI (Balanced), 200 DPI (Office), 300 DPI (Print, default), 400 DPI (OCR), 600 DPI (Archival), or 1200 DPI (Fine Art).
- Adjust Resolution (Optional) — Keep original, reduce by percentage (1–100%), pick a preset, or enter exact width and/or height.
- Convert & Download — Click Convert and download your AVIF images. Each slide becomes a separate AVIF file.
Why Convert PPTX to AVIF?
PPTX is Microsoft PowerPoint's presentation format. AVIF is the most efficient image format available — roughly 50% smaller than JPEG and 20% smaller than WebP at equivalent quality. Converting PPTX slides to AVIF creates ultra-compact images of each slide that are ideal for web embedding, social media sharing, and bandwidth-efficient delivery. AVIF supports HDR and wide color gamut, preserving the visual richness of your presentation design.
PPTX vs AVIF
| Feature | PPTX (presentation) | AVIF (output) |
|---|---|---|
| Type | Multi-slide presentation | Still image per slide |
| Editable | ✅ (PowerPoint) | ❌ (rasterized) |
| File size per slide | N/A (entire deck) | ~20–100 KB |
| Web embedding | ❌ (requires viewer) | ✅ |
| Browser support | ❌ | ✅ ~93% |
| Compression | N/A | Best available (AV1) |
Use Cases
- Web embedding — Convert slides to AVIF for the smallest possible images on web pages, blogs, and documentation sites.
- Social media — Share individual slides as ultra-compact AVIF images on platforms that support the format.
- Email previews — Attach slide images instead of the full PPTX file for recipients who don't have PowerPoint.
- Bandwidth-efficient delivery — AVIF's superior compression makes slide images load faster on slow connections.
Will each slide become a separate image?
Yes. Each slide in the PPTX file is rendered as a separate AVIF image at the DPI and quality settings you choose.
What DPI should I use?
96 DPI for screen viewing. 150–200 DPI for general sharing. 300 DPI for print-quality output. Higher DPI produces larger files but sharper text and graphics.
Does this preserve animations and transitions?
No. Each slide is captured as a static image. Animations, transitions, and embedded videos are not preserved. Only the visual state of each slide is captured.
Is AVIF widely supported?
AVIF is supported by Chrome 85+, Firefox 93+, Safari 16+, Edge, and most modern image viewers. For maximum compatibility, consider PPTX to PNG or PPTX to JPG.
Can I batch convert multiple PPTX files?
Yes. Upload multiple PPTX files and convert them all to AVIF at once with the same quality and DPI settings.