PPTX to HEIC Converter

Transform PPTX presentations into HEIC images free

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Superior Compression

HEIC stores your PPTX slide visuals at half the size of JPEG with identical quality — saving storage without sacrificing image detail.

Apple-Native Format

HEIC is the default image format on iPhones, iPads, and Macs. Converted PPTX slides integrate seamlessly into Apple workflows and photo libraries.

Private and Secure

Uploaded PPTX presentations are deleted immediately after conversion. HEIC output is removed from servers within 24 hours for your privacy.

How to convert PPTX to HEIC

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose heic or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your heic file right afterwards

About formats

PPTX is the default file format for Microsoft PowerPoint presentations since Office 2007, based on the Office Open XML (OOXML) standard published as ECMA-376 and later adopted as ISO/IEC 29500. A PPTX file is a ZIP archive containing XML documents that describe slide content, layouts, themes, relationships, and metadata in a structured, human-inspectable hierarchy. Each slide, slide layout, and slide master is stored as a separate XML part, with media assets (images, audio, video) and embedded objects kept in dedicated directories within the package. The XML foundation enables programmatic creation and manipulation of presentations using standard XML tools and libraries — developers can generate, modify, or extract content from PPTX files without requiring PowerPoint itself. One significant advantage is openness and interoperability: the fully documented OOXML specification allows any software to read and write PPTX files, and the format is supported by LibreOffice Impress, Google Slides, Apple Keynote, and numerous other tools. Built-in ZIP compression is another practical strength — PPTX files are typically 50-75% smaller than equivalent PPT files, reducing storage and transfer costs. The format supports all modern PowerPoint features including SmartArt, 3D models, morph transitions, embedded fonts, accessibility metadata, and co-authoring capabilities. PPTX has become the standard interchange format for presentation content worldwide.
Developer: Microsoft
Initial release: January 30, 2007
HEIC (High Efficiency Image Container) is Apple's branded implementation of the HEIF (High Efficiency Image File Format) standard that uses HEVC (H.265) as its image compression codec. Apple adopted HEIC as the default photo format on iPhones and iPads starting with iOS 11 in September 2017, replacing JPEG for newly captured images. HEIC files store photographs compressed with the intra-frame coding mode of the HEVC video codec, which applies sophisticated prediction, transform, and entropy coding techniques that achieve roughly 50% better compression than JPEG at equivalent visual quality. The ISOBMFF (ISO Base Media File Format) container supports multiple images in a single file, enabling Live Photos (a still plus a short video clip), burst sequences, depth maps from dual-camera systems, and HDR gain maps that allow compatible displays to render extended dynamic range. HEIC also stores alpha channels, auxiliary images for computational photography features (portrait mode depth data, semantic segmentation masks), and comprehensive EXIF/XMP metadata. One advantage is storage efficiency: iPhones shooting HEIC use roughly half the storage of equivalent JPEG captures with no visible quality loss, a significant benefit on devices where storage is finite and photos accumulate rapidly. The format's integration with Apple's ecosystem is another key strength — HEIC files are natively supported across macOS, iOS, iPadOS, and iCloud Photos, and automatic JPEG transcoding during file sharing ensures compatibility when sending photos to non-Apple devices. HEIC can also be opened by Windows 10/11 (with codec), GIMP, ImageMagick, and Adobe Lightroom.
Developer: MPEG / Apple
Initial release: 2015

Frequently Asked Questions

Why convert PPTX to HEIC?

HEIC delivers outstanding image quality in a compact package — your slide visuals stay sharp while taking up far less storage than traditional formats.

What opens HEIC images?

Apple Photos, macOS Preview, and iOS handle HEIC natively. On Windows, the HEIF Image Extension from the Microsoft Store adds full support.

Is HEIC better than JPEG?

HEIC stores images at the same quality as JPEG but in roughly half the space. It also supports transparency and image sequences unlike JPEG.

Will HEIC work on Android?

Android 10 and later versions support HEIC images. Older Android devices may need a third-party viewer or conversion to JPEG or PNG.

Is the conversion free?

PPTX to HEIC conversion is free on Convertio. Upgraded plans provide expanded limits for larger presentations and frequent use.

Does HEIC support transparency?

Yes — HEIC can store images with an alpha channel for transparency, unlike JPEG. This preserves any transparent elements from your PPTX slides.

PPTX to HEIC Quality Rating

3.8 (6 votes)
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