About the HEIC to PNG Converter
This HEIC to PNG converter converts iPhone and iPad photos from Apple’s HEIC format into universally readable PNG images, preserving every pixel along with any alpha channel the source HEIC contains. The conversion runs entirely in your browser — no files are uploaded to a server, and your photos remain private throughout the process.
PNG uses lossless compression, so the converted image matches the decoded HEIC pixel-for-pixel. Choose PNG when you need the highest fidelity, plan to edit the result, or need transparency, which JPG cannot store.
What Is the HEIC Format?
HEIC (High Efficiency Image Container) is a container format built on the HEVC (H.265) video codec. Apple adopted it as the default photo format starting with iOS 11 in 2017. HEIC files store images at roughly half the file size of an equivalent JPG while preserving the same visual quality, and they can hold depth maps, Live Photos, and image sequences within a single file.
Despite its compression advantages, HEIC lacks universal support. Windows requires a paid codec extension, and most web platforms, editors, and CMS systems will not accept HEIC uploads. Converting to PNG resolves these compatibility gaps without sacrificing quality.
Why Convert HEIC to PNG?
- Lossless output — PNG compression discards no image data. The converted file is visually identical to the decoded HEIC.
- Transparency support — PNG preserves alpha channels, making it the right choice for screenshots with transparent regions or graphics layered over backgrounds.
- Universal compatibility — PNG opens in every browser, every operating system, and every image editor without codecs or plug-ins.
- Editing-ready — Design tools handle PNG natively, so you can crop, retouch, or composite the result without compounding JPG compression artifacts with each save.
How Does Browser-Based HEIC to PNG Conversion Work?
The converter loads your HEIC file into a WebAssembly build of ImageMagick, decodes it from the HEVC payload, and re-encodes the decoded pixels as a PNG. PNG’s DEFLATE compression is lossless, so output fidelity is identical at every Quality slider setting — the slider only changes how the encoder filters and packs the data.
The full pipeline runs in your browser. Conversion speed depends on image resolution and your device’s processing power, but most iPhone photos finish in a few seconds.
How to Convert HEIC to PNG
- Drag one or more HEIC or HEIF files into the drop zone, or click to browse. Both extensions are accepted.
- Adjust the Quality slider if needed. PNG is lossless at every setting — the slider only changes the encoder’s filter and compression strategy; output fidelity is identical regardless of the value.
- Click Convert All to process every file.
- Download each PNG individually, or use Download All to get a ZIP archive.
HEIC to PNG vs HEIC to JPG
Pick PNG when fidelity, transparency, or further editing matters. Pick JPG when smaller file size matters more than perfect fidelity — for example, when sharing a photo album or uploading to a platform with size limits. A PNG from a 12-megapixel iPhone photo typically weighs 10–25 MB, several times larger than the same image saved as high-quality JPG.
Common Use Cases
- Importing iPhone screenshots that contain text or UI elements into design tools where any compression artifact would be visible
- Preparing photos for archival storage in a lossless format
- Pulling iPhone photos into Photoshop, Figma, or GIMP for retouching without baking in JPG artifacts
- Embedding images in technical documentation or print materials that require high-fidelity input
Best Practices for HEIC to PNG Conversion
- Use PNG when the destination workflow involves editing. Each save in a lossy format like JPG compounds compression artifacts; PNG keeps your edit history clean.
- For web publishing or social media, consider HEIC to JPG instead — the file size difference is significant for typical photographs.
- Keep the original HEIC files alongside the PNG copies. HEIC stores the same content at a fraction of the disk usage and remains the best long-term archive for iPhone photos.
Frequently Asked Questions
Is my data safe when converting HEIC photos online?
Yes. The conversion runs entirely in your browser. No photos are uploaded to any server, and no data leaves your device.
Does converting HEIC to PNG lose any quality?
No. PNG is a lossless format, so the output matches the decoded HEIC pixel-for-pixel. The only information not preserved is HEIC-specific metadata such as depth maps or Live Photo motion frames.
Why is my PNG larger than the original HEIC?
HEIC uses HEVC, a far more efficient compression algorithm than PNG’s DEFLATE. Expect PNG files to be 3–10× larger than the source HEIC for typical photographs. The trade-off is universal compatibility and lossless fidelity.
What is the difference between HEIC and HEIF?
HEIF (High Efficiency Image Format) is the general standard; HEIC is Apple’s implementation using HEVC compression. The .heic and .heif extensions are interchangeable in practice, and this converter handles both.
Can I convert multiple HEIC files to PNG at once?
Yes. Drag several HEIC files into the drop zone, click Convert All, and download the results individually or as a ZIP archive.
Should I choose PNG or JPG for HEIC photos?
Choose PNG for editing, archival use, or images with transparency. Choose JPG when smaller file size matters more than absolute fidelity — typical for sharing photos or uploading to web platforms.
Related Tools
You might also find these tools useful:
- HEIC to JPG Converter — convert iPhone photos to JPG when smaller files matter more than lossless fidelity
- Image Converter — convert between all supported image formats including WebP, AVIF, and BMP
- Image Compressor — reduce PNG file sizes after conversion
- Image Resizer — scale image dimensions before or after conversion