Why Convert HEIC to WebP?
HEIC is Apple's default camera format — efficient for storage, but invisible to most web browsers and incompatible with the majority of publishing platforms. Converting HEIC to WebP gives you the best of both worlds: a modern, highly compressed format that every major browser supports natively.
Why WebP specifically, rather than JPG or PNG?
The most important thing to understand: HEIC is not a web-compatible format. No major browser renders HEIC files natively. When you upload a HEIC photo to most websites, CMSes, or social platforms, they either reject it or silently convert it to JPG with their own compression settings. Converting to WebP yourself gives you full control over quality, file size, and the conversion process.
Method 1: PhotoFormatLab — Browser-Based HEIC to WebP (No Upload)
The fastest way to convert HEIC to WebP free is PhotoFormatLab's HEIC to WebP converter. It converts your files entirely in the browser using WebAssembly — your images never leave your device. No server uploads, no watermarks, no file size limits, no account required.
Step-by-step:
What quality setting should I use?
A quality of 80–85 is the practical sweet spot for web images — visually indistinguishable from lossless at 40–60% smaller file size. For portfolio or archival work, use 90–95. For web thumbnails and social media, 75–80 is fine. Avoid going below 70 — visible compression artifacts appear rapidly below that threshold in WebP.
PhotoFormatLab also processes multiple files simultaneously — drop 50 HEIC photos at once and download them all as WebP in a single ZIP.
Method 2: FFmpeg (Command Line — Mac, Linux, Windows)
FFmpeg handles HEIC to WebP conversion from the command line on any operating system. On macOS and Linux, HEIC support is included when libheif is available. On Windows, install the full FFmpeg build from ffmpeg.org.
Install FFmpeg:
brew install ffmpegsudo apt install ffmpegConvert a single HEIC to WebP:
```bash
ffmpeg -i photo.heic photo.webp
```
Set WebP quality (0–100, default 75):
```bash
ffmpeg -i photo.heic -quality 85 photo.webp
```
Batch convert all HEIC files in a folder (Mac/Linux):
```bash
for f in *.heic *.HEIC; do ffmpeg -i "$f" -quality 85 "${f%.*}.webp"; done
```
Batch convert on Windows (PowerShell):
```powershell
Get-ChildItem *.heic | ForEach-Object { ffmpeg -i $_.Name -quality 85 "$($_.BaseName).webp" }
```
FFmpeg is the best choice for large batches — hundreds or thousands of photos from an iPhone library export.
Method 3: ImageMagick (Cross-Platform)
ImageMagick supports HEIC to WebP conversion on all platforms when installed alongside libheif.
Install ImageMagick:
brew install imagemagick (libheif included)sudo apt install imagemagick libheif-devConvert a single file:
```bash
magick photo.heic photo.webp
```
Set quality:
```bash
magick -quality 85 photo.heic photo.webp
```
Batch convert all HEIC files in a folder:
```bash
mogrify -format webp -quality 85 *.heic
```
Important: mogrify converts files in place in the current directory. Always run on a copy of your source files, not the originals.
ImageMagick also supports resizing during conversion — useful if you need to reduce dimensions for web delivery at the same time:
```bash
magick photo.heic -resize 1920x1080> -quality 85 photo.webp
```
The > flag only downscales — images smaller than 1920×1080 are left at their original size.
Method 4: iPhone Camera Settings (Prevent HEIC at Capture)
If you want to stop new photos from being taken in HEIC format, you can configure your iPhone to shoot in JPG instead. This doesn't convert existing photos but eliminates the need for HEIC conversion going forward.
Steps:
After this change, new photos will be taken as standard JPG files, which you can then convert to WebP using PhotoFormatLab without the HEIC intermediate step.
Note: "Most Compatible" produces larger JPG files compared to HEIC. If storage is a concern and you want the compression benefits of HEIC, keep the default HEIC setting and convert to WebP only when sharing or publishing.
For existing HEIC files already on your device, use PhotoFormatLab or one of the command-line methods above. iPhone's Photos app does automatically convert to JPG when sharing to non-Apple devices via AirDrop to Windows.
HEIC vs WebP: Key Differences
| Feature | HEIC | WebP |
|---|---|---|
| Created by | Apple / MPEG | |
| File size vs JPG | ~50% smaller | ~25–35% smaller |
| Browser support | None (requires conversion) | ~97% universal |
| Transparency | Yes | Yes |
| Animation | Yes | Yes |
| Color depth | 16-bit | 8-bit |
| Best for | iPhone photo storage | Web images, publishing |
| Platform | Apple devices only | All platforms |
Which is better for web use? WebP, decisively. HEIC has no native web browser support — every HEIC image on a website requires either a server-side conversion or a JavaScript polyfill to render. WebP is natively supported by every major browser. For anything going on the web, WebP is the correct choice.
Which is better for storage? HEIC. At equivalent quality, HEIC files are roughly 50% the size of JPG — better than WebP's 25–35% savings. For pure storage efficiency on Apple devices, keeping photos as HEIC makes sense. Convert to WebP only when you need them for web delivery or cross-platform sharing.
Related Conversions
After converting HEIC to WebP, you may also want:
For everything you need to know about HEIC and why iPhones use it, see What is HEIC?. For a deep dive on WebP's advantages for web delivery, see our guide on converting images to WebP for faster websites.
Frequently Asked Questions
Can I convert HEIC to WebP without uploading?
Yes. PhotoFormatLab's HEIC to WebP converter converts entirely in your browser using WebAssembly. Your files never leave your device — no server uploads, no accounts, no watermarks. This is the safest way to convert personal or confidential photos.
Is WebP better than HEIC for websites?
Yes. WebP has ~97% browser support and is natively rendered by every major browser, while HEIC has zero native web browser support. For web publishing, WebP is always the correct choice. For local iPhone storage where you want maximum compression, HEIC is more efficient (~50% smaller than JPG vs WebP's 25–35%).
Does converting HEIC to WebP lose quality?
At a quality setting of 80 or higher, the visual difference is imperceptible for most photographic content. WebP is a lossy format by default, and re-encoding from HEIC introduces a small amount of additional compression. For archival quality, use a quality setting of 90–95.
Can I batch convert HEIC photos to WebP?
Yes. PhotoFormatLab supports batch conversion — drop multiple HEIC files at once and download all converted WebP files in a single ZIP. FFmpeg and ImageMagick both support folder-level batch conversion from the command line, making them ideal for large iPhone library exports.
Why can't I open HEIC files in my browser?
HEIC is an Apple-proprietary format with no native web browser support. No major browser — Chrome, Firefox, Edge, or Safari on non-Apple platforms — can render HEIC files directly. This is why converting to WebP or JPG is necessary before publishing photos on the web or sharing across platforms.
What happens to EXIF data when converting HEIC to WebP?
It depends on the tool. PhotoFormatLab strips EXIF metadata during conversion, including GPS location data embedded in iPhone photos. This protects your privacy when sharing photos online. If you need to preserve EXIF metadata, use ImageMagick without the -strip flag.
Jordan builds privacy-focused web tools. He created PhotoFormatLab to make image conversion free, instant, and fully browser-based — no file uploads, no accounts, no watermarks. About PhotoFormatLab →