What is the difference between HEIF and HEIC?

HEIF is the underlying ISO/IEC standard format container, while HEIC is the specific variant widely adopted by Apple using HEVC encoding. Both offer superior compression and image fidelity.

Private PNG to HEIF Converter | Convert PNG to HEIF Locally

100% Free User-Side

PNG to HEIF

Free PNG to HEIF converter. Convert PNG to HEIF safely with no server upload. Convert images into High Efficiency Image File format (HEIF) locally in your browser.

PNG - up to 100MB each

Drop your images here

or click anywhere to browse files

PNG - up to 100MB each

How to Convert PNG to HEIF?

Upload PNG Images

Drop your PNG files into the upload zone above, or click to choose files from your device. You can convert multiple files at once.

Adjust Advanced Options (Optional)

Click the settings panel if you need to adjust quality compression, resize images, or set a background color.

Download Converted HEIFs

Click 'Convert to HEIF' to process. You can download the HEIF files individually or as a single ZIP archive.

Standardized ISO/IEC Structure

Complies with High Efficiency Image File container standards for cross-platform support.

Next-Gen Efficiency

Achieves high quality with significantly lower disk storage footprint compared to legacy formats.

100% Offline & Private

No network transfers. All images stay entirely inside your local device memory for complete cryptographic privacy.

What is a PNG (Portable Network Graphics) file?

PNG, standing for Portable Network Graphics, is a widely used raster image format designed for the web. Created by the PNG Development Group as an open-source, non-patented successor to GIF, PNG files are saved with the .png extension. They feature lossless data compression, which ensures that intricate illustrations, high-contrast text, sharp borders, and alpha transparent layers are preserved without any loss of quality.

Why convert PNG to HEIF?

HEIF provides high-efficiency multimedia container storage. Converting PNG to HEIF reduces file weights on supported platforms and modern smart devices without degrading image sharpness.

Developed by: PNG Development Group

Initial Release: October 1, 1996

What is a HEIF (High Efficiency Image File Format) file?

HEIF, which stands for High Efficiency Image File Format, is a modern multimedia container standard designed by MPEG. Saved with the .heif extension, it stores individual images, bursts, audio, and depth maps using advanced HEVC compression, providing significant bandwidth savings over traditional photo formats.

How to open and use a HEIF file?

Opening and utilizing converted HEIF files is seamless across modern smartphones, macOS, iOS, Windows 10/11, and Android devices. If you need to convert your PNG files into high-efficiency HEIF image files, our client-side converter processes your images instantly inside your web browser without uploading your data to any cloud servers.

Developed by: Moving Picture Experts Group (MPEG)

Initial Release: 2015

FAQs

Can I convert PNG to HEIF free of charge and without limits?

Absolutely. You can convert PNG to HEIF free with no hidden paywalls, no watermarks, and no daily file caps. It is a completely free image converter built for developers and everyday users alike.

Why is a client-side PNG to HEIF converter safer for personal photos?

An offline architecture ensures that sensitive documents, financial screenshots, or family photos remain entirely inside your device memory. As a secure local PNG converter no server upload, it provides total cryptographic privacy because your files never leave your browser.

What makes HEIF different from conventional image formats?

HEIF uses modern intra-frame video coding techniques to store photos at roughly half the size of older formats while preserving remarkable image clarity, color depth, and sharpness.

Why Choose Our PNG to HEIF Converter?

We designed our tool to be the fastest and safest option available. Here’s how our private PNG to HEIF converter gives you an edge:

100% Private & Secure: All processing happens locally on your device. Since there is no server upload, your personal and sensitive images are never stored or seen by anyone else.
Ultra-Compact HEIF Packaging: Significantly reduce storage requirements while maintaining high fidelity.
Instant Performance: Enjoy unthrottled speeds with zero cloud latency. Whether you use it on a desktop or need to convert PNG to HEIF on mobile, it feels like a native app.
Bulk ZIP Packaging: Process multiple images in seconds and download them all together in a single convenient ZIP file.

About this tool

The PNG to HEIF converter by FreeImgLab offers a secure and high-speed way to change PNG to HEIF directly from your browser. We prioritize your privacy - our offline PNG to HEIF transformer runs entirely on your device, meaning your photos are never uploaded to any server. If you need to reduce your file weight after converting, try our Bulk Image Compressor.

Fully running inside a safe browser-based client-side engine, it outputs crisp, modern HEIF images without any latency or artificial limits. Get professional-grade results without paying for a subscription. You can also securely scale dimensions using our Bulk Image Resizer.