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Convert HEIC to PNG online

Turn HEIC photos into lossless PNG. Preview before download. Useful when you need transparency-ready files.

What is a HEIC to PNG converter?

A HEIC to PNG converter takes Apple's HEIC/HEIF image format and converts it into the lossless PNG format. This tool decodes HEIC files entirely in your browser using WebAssembly, renders the image for preview, and exports it as a standard PNG with full quality preservation — all without uploading your photos to any server.

HEIC to PNG converter features

Fast browser-based HEIC decoding and lossless PNG export.

  • HEIC upload

    Drag and drop or select HEIC/HEIF files from any device.

  • Live preview

    See the decoded image before downloading.

  • Lossless PNG

    Output preserves full quality with no compression artifacts.

  • Browser-based decoder

    WebAssembly HEIC decoding — no server upload.

  • Cross-platform

    Works on Windows, Mac, Linux, and ChromeOS.

How to use this tool

Convert HEIC to PNG in a few steps.

  1. Upload HEIC file

    Drop or select a .heic or .heif file from your device.

  2. Wait for decoding

    The tool decodes and renders the image in your browser.

  3. Preview result

    Inspect the decoded image on screen.

  4. Download PNG

    Save the lossless PNG to your device.

Tips for converting HEIC to PNG

Get the best results.
  • 01

    Larger file size

    PNG files are larger than JPG, expect 2-5× the HEIC file size.

  • 02

    Best for editing

    Use PNG when you plan to edit the image later to avoid quality loss.

  • 03

    Check orientation

    HEIC files store EXIF orientation, the tool handles rotation automatically.

HEIC Converters Compared — Which One Fits Your Workflow

How this free HEIC to PNG converter stacks up against other popular options.

  1. CloudConvert.com

    HEIC to PNG with full quality preservation. Free daily limit restricts heavy use.

  2. Convertio.co

    HEIC to PNG under 100 MB for free. Account needed for larger or batch files.

  3. ConvertIMG.app

    Browser HEIC to PNG converter. Batch up to 10 images. Processes locally. Limited format options.

  4. LeanImg.com

    HEIC to PNG in-browser, no server upload. Batch support. No resolution control.

  5. HEIC to PNG

    Convert Apple HEIC photos to lossless PNG format. Preserves full quality and transparency. All processing in your browser.

Great for

When you need HEIC to PNG conversion.

  • Editing workflow

    Convert to lossless PNG for further editing in any image editor.

  • Archiving

    Preserve full quality from iPhone photos without generation loss.

  • Design assets

    Use PNG as a source for graphic design projects.

  • Cross-platform sharing

    Share photos from Apple devices with users on any platform.

Why use this tool

Private, fast, and lossless HEIC conversion.

  • 100% free

    No sign-ups, no limits, no hidden costs.

  • Privacy first

    All processing happens locally in your browser.

  • Lossless quality

    PNG format preserves every pixel from the original.

  • No app needed

    Works directly in your browser on any device.

Technical details

How HEIC to PNG conversion works.
Decoder
libheif (WebAssembly) runs in your browser.
Conversion path
HEIC → decoded PNG → canvas 2D → PNG export.
Output cap
Maximum 8192 px per edge.
Export format
PNG via canvas toDataURL — lossless, no quality setting needed.

Sources & References

Authoritative references on the HEIF format, browser-based HEIC decoding, and PNG output.
  • “High Efficiency Image File Format is a container format for storing individual digital images and image sequences.”
    — Wikipedia — High Efficiency Image File Format

    High Efficiency Image File Format (HEIF) overview: HEIC is Apple's implementation of the HEIF standard, used by iPhones and iPads. This tool decodes HEIC files and converts them to lossless PNG format. en.wikipedia.org/wiki/High_Efficiency_Image_File_Format

  • “The Canvas API provides a means for drawing graphics via JavaScript and the HTML canvas element.”
    — MDN Web Docs — Canvas API

    Canvas API (client-side rendering): After HEIC decoding via WebAssembly, the image is rendered on a Canvas 2D context and exported as lossless PNG. MDN documents the canvas API used for this image pipeline. developer.mozilla.org/en-US/docs/Web/API/Canvas_API

  • “PNG supports lossless data compression, making it useful for storing graphics that need to be edited repeatedly without losing quality.”
    — W3C — PNG Specification

    PNG image format specification: The tool exports decoded HEIC images as lossless PNG. The W3C PNG specification describes why PNG is ideal for archiving and further editing without quality loss. w3.org/TR/PNG/

  • “libheif is an ISO/IEC 23008-12:2017 HEIF file format decoder.”
    — GitHub — libheif

    libheif — HEIF/HEIC decoder library: This tool uses libheif compiled to WebAssembly to decode HEIC files entirely in the browser. libheif is the standard open-source library for HEIF/HEIC decoding. github.com/strukturag/libheif

Frequently Asked Questions

Quick answers about this tool—open a question to read more.