This free online tool converts your PNG images to HEIF format, applying proper compression methods. Unlike other services, this tool does not ask for your email address, offers mass conversion and allows files up to 50 MB.
Click the UPLOAD FILES button and select up to 20 .png images you wish to convert. You can also drag files to the drop area to start uploading.
Take a break now and let our tool upload your files and convert them one by one, automatically choosing the proper compression parameters for every file.
What is HEIF?
A HEIF file is a raster image saved in the High Efficiency Image Format (HEIF), a lossy compressed format. It may contain a single image, a collection of images, image bursts, or image sequences, along with metadata that describes each image.
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All data submitted/uploaded is deleted after 1 hour.