Convert PPTX to JPEG — Free Online Converter
Convert PowerPoint Open XML (.pptx) to Joint Photographic Experts Group (.jpeg) online for free. Fast, secure document conversion with no watermarks or registration.
Conversion settings — add a file to adjust
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Bắt đầu chuyển đổi ngay lập tức
Hoạt động mọi nơi
Cách chuyển đổi
Upload your .pptx file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .jpg file when it's ready.
Giới thiệu về chuyển đổi PPTX sang JPG
PPTX files require PowerPoint or a compatible application to view, limiting how presentations can be shared. JPEG is the most universally viewable image format, displayable on every phone, tablet, computer, and web browser. Converting PPTX to JPEG renders each slide as a separate image file, creating a visual snapshot of the entire presentation that anyone can view without specialized software.
Each slide becomes an individual JPEG image at the specified resolution, with all text, shapes, images, backgrounds, and visual effects baked into a single flat image. The result is a series of numbered JPEG files that reproduce the visual appearance of each slide — perfect for sharing, embedding, and archiving.
Tại sao nên chuyển đổi PPTX sang JPG?
JPEG slide images work everywhere that PPTX files cannot. You can embed individual slides in blog posts, share them on social media, include them in HTML emails, or display them in image carousels on websites. Messaging apps like WhatsApp, Telegram, and iMessage display JPEG images inline, making it easy to share specific slides in a conversation without attaching the full PPTX file.
JPEG conversion also protects your presentation design. When you distribute a PPTX file, anyone can copy your content, reuse your slides, or modify your design. Distributing JPEG images preserves the visual appearance while preventing easy editing or content extraction. This is useful for sharing proprietary slide designs, branded materials, and copyrighted content.
Các trường hợp sử dụng phổ biến
- Share individual slides on social media platforms like LinkedIn, Twitter, or Instagram
- Embed slide images in blog posts, articles, or email newsletters
- Create a visual archive of presentations for quick browsing without PowerPoint
- Generate slide thumbnails for presentation management interfaces
- Distribute slide designs as images to prevent unauthorized editing
Cách hoạt động
LibreOffice imports the PPTX ZIP archive, parsing slide XML (ppt/slides/slide*.xml), theme XML (ppt/theme/theme1.xml), and slide master layouts. Each slide is rendered to an internal bitmap at the specified DPI (default 150). The rendering engine processes all visual elements: text boxes with font rendering and antialiasing, shapes with fills and effects, embedded images, SmartArt as rendered graphics, and background themes. Each bitmap is compressed as JPEG with configurable quality (default 85%). Slide dimensions determine the image aspect ratio — standard 16:9 slides produce 1920x1080 images at ~150 DPI.
Chất lượng & hiệu suất
At 150 DPI and quality 85%, slides look excellent for screen viewing with crisp text and clean graphics. Gradients, shadows, and transparency effects are rendered into the flat JPEG image. Fine text in small labels or footnotes may show slight JPEG compression artifacts at lower quality settings. For print-quality output, use 300 DPI and quality 92%. Note that JPEG does not support transparency — any transparent slide areas are rendered against a solid white background.
Khả năng tương thích thiết bị
| Device | PPTX | JPG |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Mẹo để có kết quả tốt nhất
- 1Use 150 DPI for web sharing and social media — it produces Full HD images with small file sizes
- 2For print or projection, use 300 DPI for crisp text at large display sizes
- 3Quality 85% is the sweet spot — lower quality shows visible JPEG artifacts on text and gradients
- 4Review slides with complex animations, as only the final state of each slide is captured
- 5For presentations with transparent backgrounds, use PNG instead of JPEG to preserve transparency
Chuyển đổi liên quan
PPTX to JPEG creates universally shareable slide images. The output preserves the visual design while making slides viewable on any device.