Convert HEIC photos from your iPhone to WebP. 25–34% smaller than JPEG with near-identical quality and transparency support.
Last updated: August 2026
WebP
Modern Format
25-34%
Smaller than JPEG
Batch
Multiple Files
Private
No Uploads
Drop HEIC files here or click to browse
Supports .heic and .heif. All processing stays in your browser.
Four steps, all running locally in your browser.
Drop your HEIC files
One file or a whole batch. Nothing is uploaded, everything stays on your device.
Adjust quality, optional
60 to 95, defaulting to 82, a balance of file size and quality for most photos.
Each file decodes then encodes
Status is shown per file as it moves from decoding to encoding to done.
Download
One click for a single file, or all at once as one ZIP for a batch.
WebP sits between JPEG and PNG. It uses lossy compression like JPEG but achieves 25 to 34% smaller file sizes at the same visual quality. It also supports transparency like PNG. For web use, WebP is the format Google recommends and the one that improves Core Web Vitals scores most efficiently.
Web images
WebP is the recommended format for website images. Smaller files mean faster load times and better Lighthouse scores.
Social media
Platforms like Twitter and Facebook process WebP efficiently. Uploading a well-prepared WebP file often survives platform recompression better than JPEG.
Transparency support
Unlike JPEG, WebP supports alpha transparency. Convert HEIC screenshots or product photos that need a transparent background.
Sharing on modern devices
All modern browsers and apps support WebP. If recipients use Chrome, Safari or Firefox, WebP will open without any issues.
Apple switched iPhones to HEIC by default in 2017 with iOS 11. The format is genuinely excellent. It compresses photos roughly twice as efficiently as JPEG at the same visual quality, which is why a 12-megapixel iPhone photo might be 3MB as HEIC but would be 6MB or more as JPEG. The problem is that HEIC was developed by the MPEG group and requires a licensing agreement to decode, which means most non-Apple software simply doesn't support it. Windows doesn't without a paid codec. Most web apps don't. Most upload portals don't.
WebP has no such licensing issue. Google developed it and released it as completely open and royalty-free in 2010. Every major browser added support within a few years, and today WebP is accepted by essentially every modern web platform. For iPhone photos destined for a website, social media, or any web application, converting from HEIC to WebP gives you a file that works everywhere while keeping the file size small.
Both formats are widely supported and both are good choices for converting HEIC. The difference comes down to what you're doing with the file. If you're uploading to a government portal, a job application system, or any form that was built more than a few years ago, convert to JPEG. Those systems were built assuming JPEG and will sometimes silently reject anything else.
If you're uploading to a website, a modern CMS, a social media platform, or sending to someone who will use the photo on the web, WebP is the better choice. The files are 25 to 34% smaller than equivalent JPEGs, which matters when you're uploading dozens of product photos or blog images and paying for CDN bandwidth, or when you care about page load speed.
HEIC uses a compression method based on the HEVC video codec. WebP uses a completely different algorithm derived from the VP8 video codec. They're not directly compatible, which means converting isn't a lossless transfer. The conversion decodes the HEIC pixels and re-encodes them as WebP. At quality 80 to 85, the visual result is essentially indistinguishable from the original for photographs. You'd need to do a side-by-side comparison at full zoom to see any difference, and for most use cases you'd be looking at something that doesn't matter in practice. The default quality of 82 in this tool is set specifically to give you that balance.
Assuming this WebP output is lossless because WebP supports a lossless mode
It isn't. This tool always encodes lossy WebP through the quality slider, it never switches to WebP's lossless mode automatically. Pushing quality toward 95 gets visually close for flat graphics, but HEIC to PNG is the tool that actually guarantees pixel-perfect fidelity.
Re-editing and re-saving the WebP file repeatedly expecting no quality loss
Because this is always lossy compression, each additional edit-and-save cycle introduces new compression on top of the last, the same way JPEG does. PNG doesn't have this problem since it's lossless, so use HEIC to PNG instead if the file needs several editing passes.
Uploading WebP directly to an older or government portal without checking first
Most modern platforms handle WebP fine, but some legacy upload portals, especially older government or institutional systems, still expect JPEG specifically and may reject WebP silently. If you're unsure, HEIC to JPG is the safer default for that kind of destination.
Assuming a HEIC photo has transparency it never had
Most iPhone photos are fully opaque. WebP preserves transparency if the source has it, but conversion doesn't add transparency that wasn't there to begin with.
Expecting a batch to download as separate files automatically
Files stay individual until you choose to download them that way, or click Download all to get everything bundled into one ZIP. There's no automatic bulk-download without that click.
HEIC to JPG
Convert HEIC to JPEG for maximum compatibility with older apps and portals
HEIC to PNG
Lossless HEIC conversion with full transparency preserved
HEIC to AVIF
The smallest possible file size
JPG to WebP
Already have JPEGs? Convert to WebP for 25 to 34% smaller files
WebP and Core Web Vitals
How image format choices affect Lighthouse scores and Google rankings
WebP is the middle ground between JPG and PNG. It is 25 to 34% smaller than JPEG at the same visual quality, and it supports transparency like PNG. Choose WebP when you need both good quality and smaller file size, particularly for web use.
Yes. WebP supports full alpha transparency. Most iPhone HEIC photos do not contain transparency, but if the original does, the WebP output will preserve it.
Quality 82 is the default and produces a good balance of file size and visual quality. Use 75 to 80 for even smaller files when you are uploading to a website or sharing online. Use 85 to 90 if you need to preserve fine photographic detail.
No. This tool always encodes lossy WebP through the quality slider, from 60 to 95. It doesn't detect content type and switch to WebP's lossless mode automatically. For icons, logos or graphics where pixel-perfect fidelity actually matters, HEIC to PNG guarantees that instead of a high quality setting here.
WebP is supported by all modern browsers including Chrome, Safari, Firefox and Edge, covering over 97% of global usage. However, some older software, email clients, and upload portals may not accept WebP. If compatibility is the priority, convert to JPG instead.
No. All conversion happens entirely in your browser. Your files never leave your device. GPS, EXIF and metadata are not present in the WebP output.
Yes. Drop multiple HEIC files or select them from the file picker. Each converts independently. Download individually or as a ZIP file.
No sign-up. No uploads. Drop your HEIC files above and download the WebPs in seconds.
