Turn HEIF Files Into PNG in Seconds
Lightning-quick HEIF-to-PNG conversion that runs entirely on your device. Private by default, free forever, with no watermarks.
Drag & drop your files
or browse from your device · batch supported
Images · Documents · Archives — processed locally, never uploaded
Why our HEIF to PNG converter is different
Lightning fast
Most HEIF files become PNG in under a second. No upload queue, no waiting room.
Private by default
Your HEIF never touches our servers. The whole conversion runs locally in your browser.
Pixel-perfect quality
Resolution and content are preserved end-to-end. The PNG output is exactly what your file deserves.
Works everywhere
Any modern browser on desktop, tablet, or phone. Nothing to install, nothing to update.
How it works
Three steps. No accounts, no uploads, no nonsense.
Drop your HEIF
Drag a HEIF into the dropzone, or paste it from your clipboard.
Convert to PNG
Your browser re-encodes the file locally. Nothing is sent over the network.
Download your PNG
Grab the finished PNG as soon as it's ready. Convert another in one click.
About converting HEIF to PNG
The transition from HEIF (High Efficiency Image File Format) to PNG (Portable Network Graphics) is a shift from a modern, highly compressed container to a legacy, lossless bitmap standard. HEIF was introduced to the mainstream by Apple with iOS 11, utilizing the High Efficiency Video Coding (HEVC) codec to store images at roughly half the file size of a JPEG without sacrificing visual fidelity. While HEIF is technically superior for storage—supporting features like 16-bit color, auxiliary maps (depth and alpha), and image sequences—it suffers from a lack of universal software support. Developers, web designers, and Windows users often find themselves unable to open .heic or .heif files in legacy photo editors or display them on web pages. Converting to PNG solves this compatibility crisis. PNG, which was developed in the mid-90s as a patent-free alternative to GIF, offers pixel-perfect reproduction. For professionals migrating assets from mobile ecosystems to desktop workflows, the HEIF-to-PNG pipeline is essential for ensuring that the high-quality capture of a modern smartphone sensor can be utilized in environments like the Adobe Creative Suite, web browsers, or office productivity software without the compression artifacts associated with re-encoding to JPEG.
When you'd convert HEIF to PNG
Converting HEIF to PNG is a standard requirement in several professional and developer workflows. In web development, while <picture> tags can serve HEIF to compatible browsers, PNG remains the fallback or primary format for UI elements and hero images where transparency and crisp edges are non-negotiable. Software developers frequently convert HEIF assets to PNG when building apps for platforms like Android or Windows, where native HEIF decoding might be inconsistent or require third-party libraries. In the realm of digital publishing, putting a HEIF file into a Word document or a LaTeX project often results in errors or broken image links; converting to PNG ensures the document will render correctly on any machine. For graphic designers, the conversion is often the first step in a Photoshop workflow, as it allows for the extraction of a high-quality base layer that can be manipulated without the risk of adding the 'mosquito noise' or blockiness sometimes found in JPEG exports. It is also the preferred method for sharing high-quality screenshots from iPhones to platforms like Discord or Slack, which may not always generate proper previews for HEIF files.
What changes under the hood
At the byte level, HEIF and PNG are fundamentally different architectures. HEIF uses block-based transformation (similar to H.265 video) to predict pixel values, which allows for incredible efficiency but is computationally expensive to decode. PNG, conversely, uses the DEFLATE compression algorithm combined with spatial filtering. When you convert HEIF to PNG, you are performing a 'lossy to lossless' transition. The HEIF data is first decoded into a raw RGBA buffer; the converter then applies a PNG filter (such as Sub, Up, or Paeth) to the scanlines to optimize the pixel data for compression. While the PNG itself is lossless, this process cannot undo the 'quantization' that occurred when the HEIF was originally saved. However, because PNG does not use DCT (Discrete Cosine Transform) or macroblocks, converting to PNG prevents 'generation loss'—the cumulative degradation that happens if you were to edit and save the file repeatedly in a lossy format. One critical technical hurdle is the color space: HEIFs often use the Display P3 gamut, which must be carefully mapped to sRGB if the target PNG is intended for general web use, otherwise colors may appear muted or 'washed out' on standard monitors.
Tips for the best PNG output
- →If your HEIF file contains a depth map (for 'Portrait Mode' effects), ensure your converter flattens the image or you will lose the bokeh data during the PNG transition.
- →Use PNG-24 rather than PNG-8 to ensure the 10-bit or 12-bit color depth of the HEIF isn't reduced to a 256-color palette.
- →Check your color profile; converting from HEIF's native Display P3 to PNG's standard sRGB is often necessary for consistent web display.
- →If file size is a concern after conversion, run the resulting PNG through a 'crushing' tool like OptiPNG to remove redundant metadata chunks.
- →Keep the original HEIF for long-term archiving, as the PNG will likely be 5 to 10 times larger in terms of disk footprint.
Frequently asked
Does converting HEIF to PNG preserve the 10-bit color depth?+
HEIF supports up to 16-bit color depth (High Dynamic Range), while standard PNG is typically 8-bit or 16-bit. When converting a 10-bit HEIF photo from an iPhone, the resulting PNG will usually be dithered down to 8-bit unless your converter specifically supports high-bit depth output to preserve the original tonal gradations.
Will I lose the 'Live Photo' animation when converting to PNG?+
HEIF is a container that often stores multiple items, such as a burst of photos or a 'Live Photo' video clip. Converting to PNG will almost always only extract the primary still frame. If you need the video component, you would need to export to MOV or MP4 instead.
Why is the PNG file so much larger than the original HEIF?+
HEIF is a lossy format (using HEVC compression), while PNG is lossless. Converting to PNG will not 'improve' the image quality or recover data lost during the original HEIF compression; it simply stops further degradation from occurring during subsequent saves.
Can PNG preserve the transparency layers found in some HEIF files?+
Yes, HEIF supports alpha channels for transparency, much like PNG. However, many HEIF files (like standard camera photos) use a specialized 'depth map' instead of a transparency layer. A standard conversion will usually flatten these layers unless the HEIF specifically contains an alpha mask.
What happens to my GPS and camera metadata?+
HEIF uses an ISO Base Media File Format (ISOBMFF) structure for metadata, while PNG uses 'chunks' (like tEXt or iTXt). Most converters will map standard EXIF and IPTC data from the HEIF header into the corresponding PNG chunks, though some proprietary Apple 'MakerNotes' may be stripped.
Why can't I just view the HEIF file directly in my browser?+
While modern web browsers (Chrome 121+, Safari) have added HEIF support, older browsers and many legacy Windows applications cannot render HEIF natively. PNG is the industry standard for cross-platform compatibility, ensuring the image displays identically on every device since the late 1990s.
Can I convert multiple HEIF files to PNG at once?+
Yes. Drop a whole folder of HEIF files into the dropzone and they'll be converted to PNG in parallel. Each output downloads as soon as it's ready.
Is there a file size limit for HEIF to PNG conversions?+
There's no server-side limit because we don't run a server. The practical ceiling is whatever your device's RAM can comfortably load — usually hundreds of megabytes for images and documents.