HEIC vs PNG — What's the Difference and When Should You Convert?

HEIC and PNG serve completely different purposes. HEIC is Apple's efficient camera format — it stores photos at roughly half the size of JPG while maintaining excellent quality. PNG is an archival and design format — it stores every pixel without any quality loss, supports transparency, and works on every device ever made.

Neither format is universally "better." The right choice depends on what you're doing with the image. This guide breaks down the differences across every dimension that matters.

HEIC vs PNG: File Size Comparison

HEIC uses HEVC (High Efficiency Video Coding) compression — the same technology used in 4K video streaming. It's extremely efficient, keeping photos small without visible quality loss. PNG uses lossless LZ77 compression — no data is ever discarded, which is why PNG files are much larger.

Format	12MP iPhone photo (typical)	Notes
HEIC	1.5–3 MB	Default iPhone format
JPEG	3–5 MB	~2x larger than HEIC
PNG	8–20 MB	4–8x larger than HEIC

For a 1,000-photo iPhone library, HEIC saves roughly 5–15 GB of storage compared to PNG. This is why Apple chose HEIC — it lets iPhones store twice as many photos in the same space without sacrificing visible quality.

HEIC vs PNG: Image Quality

This is where the comparison gets interesting. HEIC looks nearly identical to PNG in normal viewing, but they work very differently:

• HEIC quality: Lossy compression removes some image data — specifically fine details that human eyes rarely notice. The result looks excellent, but the removed data is gone permanently.
• PNG quality: Lossless compression removes nothing. Every pixel in the PNG file is identical to the original. No data is ever discarded.

In side-by-side viewing, HEIC and PNG photos from the same iPhone shot look identical to most eyes. The difference shows up when you zoom in to 200–400% or try to use the image for printing at large sizes (poster-sized or larger).

The practical difference is in editing. If you open a HEIC photo in an editor, make changes, and save as HEIC again, each save cycle discards more data. PNG never degrades through saves. For photos you'll edit multiple times, PNG is the correct format to work in.

Sell Custom Apparel — We Handle Printing & Free Shipping

HEIC vs PNG: Device and Platform Compatibility

PNG is the most universally compatible image format in existence. Every operating system, browser, app, and platform supports PNG — including every version of Windows, Android, Linux, ChromeOS, and all web browsers going back 25 years.

HEIC has limited compatibility outside Apple's ecosystem:

Platform	HEIC Support	PNG Support
iPhone / iPad	Native	Native
Mac (Mojave+)	Native	Native
Windows 10/11	Requires paid extension	Native
Android	Limited (some apps)	Native
Linux	Requires libheif	Native
Web browsers	Safari only (Chrome/Firefox: no)	All browsers
Photoshop	CC 2018+ with Camera Raw update	All versions

The bottom line: if a file needs to work everywhere without any prerequisites, use PNG. If it stays within Apple's ecosystem (iPhone to Mac, iMessage between iPhone users), HEIC is fine.

HEIC vs PNG: Transparency (Alpha Channel)

PNG supports full transparency through an alpha channel — pixels can be fully transparent, partially transparent, or fully opaque. This makes PNG essential for logos, icons, web graphics, and any image where the background needs to show through.

HEIC does not support transparency in the traditional sense. Standard iPhone photos have no transparency. Some advanced HEIF variants theoretically support an alpha channel, but in practice, software rarely handles it — and converting a HEIC file to PNG does not magically add transparency where there was none.

The transparency advantage matters for:

• Product photos with backgrounds removed
• Logo files exported for use on different colored backgrounds
• UI screenshots with transparent elements
• Watermarks and overlays

If your image has a removed background (like photos edited in Remove.bg or Photoshop), saving as PNG preserves the transparency. HEIC would fill the transparent area with white or black.

Related: Convert HEIC to PNG with Transparent Background

When Should You Convert HEIC to PNG? (And When to Leave It Alone)

Keep photos as HEIC when:

• They stay within your Apple ecosystem (iPhone, Mac, iPad)
• You're not editing them — just viewing or sharing via iMessage
• Storage space is a concern — HEIC saves 4–8x space compared to PNG

Convert HEIC to PNG when:

• Sharing with Windows users who can't open HEIC files
• Uploading to a platform that doesn't accept HEIC
• Editing the photo in any image editor (avoid quality loss from re-saves)
• The image needs a transparent background
• Archiving high-value photos where permanent preservation matters

Convert HEIC to JPG (not PNG) when you just need broader compatibility without caring about lossless quality — JPG is smaller than PNG and supported everywhere. See How to Convert HEIC to JPG Free.

Frequently Asked Questions

Is HEIC better quality than PNG?

No. PNG is lossless — it stores every pixel exactly. HEIC uses lossy compression that discards some data. PNG quality is technically superior, but HEIC looks nearly identical in normal viewing while being 4–8x smaller. For most photos, the difference is invisible. For editing, PNG is better.

Can I use HEIC on a website instead of PNG?

Not reliably. Chrome and Firefox don't support HEIC images on web pages. Safari does, but only on Apple devices. For web use, convert to PNG, JPG, or WebP. WebP offers the best combination of small size and universal browser support.

Does converting HEIC to PNG improve quality?

No — converting HEIC to PNG doesn't recover data that HEIC's compression already discarded. PNG output is lossless from the HEIC source, meaning no additional quality is lost, but the original compression artifacts from HEIC remain. The PNG is as good as the HEIC, not better.