Convert HEIF Image Free

How to Convert Files

Convert HEIF high-efficiency images to and from common formats in your browser, with all processing done locally on your device.

What a HEIF file holds

HEIF, the High Efficiency Image File Format, is a modern container standard for storing images and image sequences. It is best known as the technology behind Apple's HEIC photos, and it is designed to hold pictures compressed with efficient modern codecs at much smaller sizes than JPEG for comparable quality.

As a container, HEIF can store a single image, a burst or sequence, and companion data such as depth maps, transparency, and edits, along with thumbnails and metadata. The image data inside is typically encoded with HEVC, which is what gives HEIF its strong compression compared with older formats.

Strengths and limits

HEIF's main strength is efficiency: it stores photographs at roughly half the size of a JPEG of similar quality, supports transparency and high bit depths, and can bundle related images and metadata in one flexible file.

Its weakness has been compatibility. The underlying HEVC codec carries licensing complexity, and support outside recent Apple and Android systems and up-to-date software is still catching up, which is why HEIF images are often converted to JPEG or PNG for sharing.

Origin and Evolution of HEIF

HEIF was developed by the Moving Picture Experts Group (MPEG) and standardized in 2015 as part of ISO/IEC 23008-12. It was created to address the inefficiencies of existing image formats like JPEG, particularly in terms of file size and image quality. By utilizing High Efficiency Video Coding (HEVC), HEIF significantly reduces storage requirements while maintaining high fidelity.

The format gained traction with the rise of smartphones, particularly Apple's adoption in iOS 11. This facilitated broader acceptance among developers and users. Tooling support expanded, with many image editing applications and libraries integrating HEIF, allowing for easier manipulation and conversion. Its standardization has led to increased interoperability across devices and platforms, promoting its use in various imaging applications.

Choosing HEIF in Workflows

Choose HEIF when file size is a concern, especially for high-resolution images. It is ideal for smartphone photography, enabling users to store more images without sacrificing quality. HEIF supports features like transparency and image sequences, making it suitable for applications requiring these capabilities. However, be mindful of compatibility issues with older software and devices that may not support HEIF natively.

When converting to or from HEIF, ensure that your software supports the desired features, such as high bit depth or image sequences. Use tools that maintain quality during conversion. Be aware that some metadata may not transfer between formats. For web use, consider the audience's device compatibility, as not all browsers support HEIF. In mixed environments, having a fallback option like JPEG may be necessary for broader accessibility.

Working with HEIF files

You will meet HEIF and HEIC files most often as photos from recent smartphones, which use the format by default to save storage space.

For maximum compatibility, convert HEIF to JPEG for photographs or PNG where you need transparency or lossless quality. Keep the original HEIF when you want to preserve the smaller size and any extra data such as depth information.