PPTM to HEIF conversion is the process of extracting visual slide content from a PowerPoint macro-enabled presentation (.pptm) and saving slides or exported images in the High Efficiency Image File Format (HEIF). This converts presentation slides into compact, high-quality image files suitable for web, mobile, or archival use while preserving visual fidelity and reducing file size compared with older image formats.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
Drag your .PPTM file from your computer or use the browse function.
Confirm .heif as the selected destination format.
Click "Convert" and download your converted .HEIF file once ready.
PPTM files use the MIME type application/vnd.ms-powerpoint.presentation.macroenabled. They are typically used for Microsoft PowerPoint presentations containing macros. HEIF files use the MIME type image/heif and support efficient compression codecs such as HEVC, making them ideal for storing high-quality images at smaller sizes.
The HEIF (.HEIF) format is commonly used for presentation. Understanding its characteristics can be helpful when converting to or from other formats like PPTM.
While specific technical details aren't available here, HEIF files generally serve the purpose of storing presentation effectively within their domain.
Our Online PPTM to HEIF Converter allows you to seamlessly convert your PPTM presentation files into high-efficiency HEIF image files directly from your browser. Enjoy a simple, fast, and secure conversion process without the need for any software installation. Perfect for users who want to transform presentations into optimized image formats for easy sharing and storage.
PPTM is a presentation file format that supports macros and multimedia, designed mainly for slide shows. On the other hand, HEIF is an advanced image format known for its efficient compression and superior image quality. Converting PPTM to HEIF transforms complex slide content into compact, high-quality images ideal for easy viewing and sharing.
Keep individual slide exports under 8–12 MP (megapixels) for optimal compatibility and fast loading; very large slides increase memory use and conversion time.
To preserve text sharpness and vector elements, export slides at higher DPI (300) or use lossless HEIF when precise fidelity is required.
For bulk conversions, process in batches of 10–50 files to avoid timeouts and reduce memory spikes; consider zipping results for download.
Note format limitation: animations, transitions, and embedded macros in PPTM won’t be preserved in static HEIF images; interactive or animated content must be exported as video or animated image formats.
Love how easy and fast it is to convert my presentations to HEIF images.
Sarah T.
Designer
The compression quality in the HEIF files is outstanding, preserving every detail.
Mark L.
Photographer
This PPTM converter saves me time and helps share content more effectively with students.
Emily R.
Teacher
Start your free PPTM to HEIF conversion now.
Drag your file here to to upload.
Up to 250MB
If you need transparent backgrounds, verify slide background settings and choose HEIF with alpha support (if your workflow and viewer support it).