Introduction
You are setting up a new phone and notice the camera offers HEIC as the default shooting format. A friend mentions AVIF is the new hotness for image compression. Which one should you actually use? Both HEIC and AVIF are modern image formats that promise smaller files and better quality than JPG, but they come from different camps and have different strengths. In this guide we break down the head-to-head comparison, cover which one makes sense for mobile photography, and explain when you might need to convert between them.
Why This Happens
HEIC and AVIF are both modern image formats built on video codecs, but they come from different ecosystems. HEIC is based on HEVC, also known as H.265, and it is the format Apple chose for iPhones starting with iOS 11. AVIF is based on AV1, a royalty-free codec developed by the Alliance for Open Media, which includes Google, Netflix, Amazon, and Microsoft. HEIC is tightly integrated into the Apple ecosystem, with native support in iOS, macOS, and modern Windows. AVIF has broader industry backing and is the darling of the open web, with support in Chrome, Firefox, and Edge. The key differences are compression efficiency, feature set, and ecosystem support. AVIF generally achieves smaller file sizes than HEIC at similar quality, and it supports more advanced features like HDR and film grain synthesis. HEIC has better integration with Apple devices and supports Live Photos, which AVIF does not.
3 Solutions
Solution 1: Stick with HEIC if you live in the Apple ecosystem. HEIC is the default on iPhone for a reason, it saves storage, supports Live Photos, and works seamlessly across Apple devices like iPhones, iPads, and Macs. When you AirDrop a HEIC photo to another Apple device, it opens instantly in Photos or Preview with no conversion needed. HEIC also supports 16-bit color depth and depth maps for portrait mode, which gives you more editing latitude than JPG. If you almost never share photos with Windows or Android users, HEIC is the most convenient option because it just works within the Apple world. The storage savings are significant too, since HEIC files are roughly half the size of equivalent JPGs, which means you can fit thousands more photos on your phone before running out of space.
Solution 2: Convert HEIC to AVIF for web delivery. If you run a website, convert your photos to AVIF for smaller files and faster loads. AVIF achieves 30 to 50 percent smaller file sizes than HEIC at similar quality, which translates to faster page loads and lower bandwidth bills. The piczen AVIF to PNG converter also handles AVIF conversion for editing. Most CDNs like Cloudflare and imgix can auto-convert your uploaded JPGs and HEICs to AVIF on the fly, so you do not even need to do the conversion manually. The key is to serve AVIF with a JPG or PNG fallback using the HTML picture element, so visitors with older browsers still see a working image instead of a blank screen. For new web projects, AVIF is the clear choice for image delivery.
Solution 3: Convert both to JPG for sharing. When you need to share a photo with someone outside your ecosystem, convert HEIC or AVIF to JPG so it opens everywhere without any compatibility headaches. JPG is the only image format that every device, operating system, and app can open reliably, from ancient Windows XP machines to the latest iPhones. For emailing photos to family members, uploading to social media, or sending to a client who might be on any device, JPG is the safe choice. The conversion takes seconds with an online converter, and the resulting JPG looks identical to the original at high quality settings. The tradeoff is that JPG files are larger than HEIC or AVIF, so you lose the storage savings, but for sharing a few photos that tradeoff is worth it for the universal compatibility.
Step-by-Step Guide
If you are deciding which format to shoot in on your phone, the answer depends on your ecosystem. iPhone users should stick with HEIC, since it is the default and integrates seamlessly with Photos, iCloud, and AirDrop. The format saves storage and supports features like Live Photos that JPG cannot match. Android users shooting in HEIC should make sure their default gallery app supports it, otherwise convert to JPG to avoid blank previews. If you are a web developer deciding which format to serve, AVIF is the better choice for new projects, since it achieves smaller file sizes than HEIC and has broader browser support across Chrome, Firefox, Edge, and Safari. To convert between formats, open the avif to png converter for AVIF files you need to edit or view, or use a HEIC to JPG converter for HEIC files you need to share. For sharing with mixed-device friends and family, convert to JPG first, since it is the only format every device and app can open without issue. If you run a website, set up a CDN that auto-converts your uploads to AVIF with JPG fallbacks, which gives you the best of both worlds without any manual conversion.
Pros and Cons
HEIC wins on ecosystem integration if you are an Apple user. It supports Live Photos, opens natively in Photos and Preview, and saves significant storage on your phone, which matters if you shoot a lot. AVIF wins on compression efficiency and open standards, making it the better choice for web delivery and cross-platform workflows where smaller files directly improve page load times and user experience. The tradeoff for both formats is compatibility. HEIC still trips up Windows PCs, older Android devices, and many websites that expect JPG. AVIF still draws a blank on older browsers, most image editors, and social media platforms that have not updated their pipelines. For most users, the smart move is to shoot in the format your phone defaults to, keep the originals for editing where you need full quality and features, and convert to JPG or PNG for sharing outside your ecosystem. That way you get the storage savings of modern formats and the universal compatibility of JPG, without having to choose between efficiency and convenience.