Apple's HEIC format saves space on your iPhone but creates compatibility headaches everywhere else. WebP is a better choice for sharing, web publishing, and cross-platform use. Here's everything you need to know about converting HEIC to WebP.
What Is HEIC?
HEIC stands for High Efficiency Image Container. Apple introduced it as the default photo format for iPhones with iOS 11 in 2017. It uses the HEIF (High Efficiency Image Format) standard with HEVC (H.265) video compression — the same codec used for efficient video encoding — adapted for still images.
The main advantage is impressive: HEIC produces images that are roughly half the file size of JPEG at similar visual quality. A 12-megapixel iPhone photo might be 3–4 MB as a JPEG and only 1.5–2 MB as HEIC. For a device with limited storage, this matters significantly. It also supports features like live photos, depth maps, and image sequences that JPEG can't handle.
So why would you want to convert away from it? Because outside the Apple ecosystem, HEIC support is inconsistent at best and non-existent at worst.
Why HEIC Causes Compatibility Problems
Despite its technical advantages, HEIC has one critical weakness: it's not universally supported. Unlike JPEG, which works everywhere, HEIC regularly causes friction:
Windows 10 and 11: Require a paid HEVC Video Extensions codec ($0.99) from the Microsoft Store to open HEIC files natively. Without it, you get an error message.
Web browsers: Most browsers don't support HEIC as a web image format. You cannot use a .heic file as the source for an HTML <img> tag.
Android devices: HEIC support varies by manufacturer and Android version. Many Android phones can't open HEIC files at all.
Older design and editing software: Many versions of Photoshop, GIMP, Lightroom, and other tools don't support HEIC without plugins or updates.
Social media upload forms: Many platforms reject HEIC files or display errors when you try to upload them.
Email recipients: Sending HEIC photos via email to non-Apple users often results in the recipient being unable to open the attachment.
Why Convert to WebP Instead of JPEG?
When people convert HEIC files, they usually reach for JPEG because it's familiar. But WebP is a significantly better destination for most use cases, especially anything web-related:
Smaller files: WebP lossy images are typically 25–35% smaller than equivalent JPEG files at the same visual quality level
Better quality at small sizes: WebP's compression algorithm handles gradients, blurs, and smooth color transitions better than JPEG's block-based compression
Transparency support: Unlike JPEG, WebP supports transparent (alpha channel) backgrounds — useful if you ever need to remove backgrounds
Both lossy and lossless modes: WebP can be compressed lossily (like JPEG) or losslessly (like PNG) — the same format covers both use cases
Universal browser support: Chrome, Firefox, Safari (14+), Edge, and Opera all support WebP — covering 97%+ of global browser users
SEO and performance benefit: Google's Core Web Vitals metrics reward faster-loading images, and WebP delivers smaller files than JPEG
If you're converting HEIC files for use on a website, WebP is the clear winner over JPEG. If you're converting for email or to share with someone on Windows or Android, JPEG may be safer for maximum compatibility with older software.
How to Convert HEIC to WebP with PureConvert
PureConvert converts HEIC to WebP entirely in your browser — no software to install, no files uploaded to any server, no account required for up to 10 conversions:
Open PureConvert: Go to pure-convert.com in any modern browser (Chrome, Firefox, Safari, or Edge).
Add your HEIC files: Drag and drop your .heic files onto the drop zone, or click "browse files" to select them. You can add multiple files at once for batch conversion.
Adjust quality: Use the quality slider to set your desired output quality (1–100%). The default of 80% is the recommended balance between file size and visual quality for web use.
Convert: Click the Convert button. PureConvert first converts the HEIC to an intermediate PNG format using the heic2any JavaScript library (all in-browser), then re-renders the result as WebP using the Canvas API. EXIF metadata is automatically stripped in this process.
Download: Click Download for individual files, or use "Download All as ZIP" to get everything at once.
The process takes only seconds per image. Large batches of 20–50 HEIC files typically process in under a minute. Your original HEIC files are never transmitted anywhere — all computation happens locally in your browser.
What Quality Setting Should You Use?
The quality slider controls the WebP compression level from 1% (maximum compression, lowest quality) to 100% (minimum compression, lossless mode):
60–70% — Good for web images where file size is the priority. Excellent for blog thumbnails, social media images, and background images where viewers aren't scrutinizing details.
80% (default) — The recommended sweet spot for most web use cases. Provides significant file size reduction compared to JPEG with excellent visual quality.
90–95% — Use for high-importance images where quality is critical: product photography, portfolio images, editorial photography.
100% — Lossless WebP. Every pixel is preserved exactly. Use for images that need to be edited further or archived without any quality loss. Files are larger but exact.
EXIF Metadata and HEIC Privacy
HEIC files from iPhones contain extensive EXIF metadata, including precise GPS coordinates. When you photograph something with your iPhone, the camera records your exact location in the image file unless you've specifically disabled location access for the Camera app in iOS Settings.
When you convert HEIC to WebP using PureConvert, all EXIF metadata is automatically removed. The Canvas API used for the final conversion only outputs pixel data — no location information, no device details, no timestamps. You get both a compatibility fix (HEIC → WebP) and a privacy cleanup in one step.
Convert HEIC to WebP now — free, private, no uploads. Drag and drop your .heic files and download clean WebP images in seconds.