New Release v1.0.0 is serverless & offline-ready

Convert HEIC to JPG.
Privately, instantly.

A client-side image converter processing HEIC files directly on your device. Your photos are never sent to a server. Free, fast, and 100% secure.

Your files never leave your device. All conversions happen locally in your browser.

Start Converting Why Serverless?

Drag & drop HEIC files, or browse

HEIC or HEIF up to 100MB each. 100% processed locally.

Conversion Settings

Adjust output quality and sizing

Image Quality 90%

Output Format

Resize Dimensions

Privacy & Performance

A new standard for media utility tools.

Stop waiting for slow servers to download your photos. Our serverless compiler converts HEIC files instantly right inside your browser.

100% Private & Safe

Your files never travel over the internet or sit on foreign databases. All decoding occurs in-memory locally.

Zero Upload Waits

Upload speeds can restrict large files. By processing locally, conversion starts immediately with no network constraints.

Unlimited Bulk Batching

Convert hundreds of photos at once without artificial paywalls, file size limits, or constant advertisement popups.

Runs 100% Offline

Once the conversion application has loaded in your browser cache, you can convert photos on airplanes or off-grid.

Developer Friendly

Built on open, serverless standards.

No magic APIs or secret databases. Our website compiles standard libheif into a WebAssembly library.

The files are decoded into pixel arrays in memory, and formatted to JPEG or PNG inside an HTML5 canvas. It's that simple, fast, and secure.

WebAssembly Optimized

100% Client-Side

heic-converter.ts

TypeScript


// 1. Load the decoding runtime asynchronously
import { heicTo } from 'heic-to';

export async function convertPhoto(file: File, quality = 0.90) {
  // Decode HEIC and compress to JPEG blob in your browser
  const jpegBlob = await heicTo({
    blob: file,
    type: 'image/jpeg',
    quality: quality
  });

  // Generate instant local URL
  return URL.createObjectURL(jpegBlob);
}

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Questions & Answers

Frequently Asked Questions

Everything you need to know about converting HEIC files locally.

What is a HEIC file and why does my iPhone use it?

HEIC is Apple's High Efficiency Image Container format. Adopted with iOS 11, it keeps image quality high while reducing file size by about 50% compared to JPG. It uses modern HEVC compression algorithms. However, HEIC is not natively supported on legacy Windows versions, Android, and many web platforms, creating compatibility issues that require converting HEIC to JPG.

How to convert HEIC to JPG on Windows or Mac?

Our serverless web tool is optimized for bulk conversion on both Windows (10 and 11) and Mac. Simply drag and drop your folder of HEIC files into the browser, select JPG as the output format, and click Convert. All files are batched in-memory without uploading, and you can download them as a single ZIP folder.

Is it safe to use this online HEIC to JPG converter? Will my photos be uploaded?

Yes, it is 100% safe. Unlike traditional online converters that upload your images to remote servers, our tool uses client-side WebAssembly (WASM). Your photos are processed completely within your browser's local memory and never leave your device, ensuring maximum privacy.

Can I convert HEIC to JPG offline or without an internet connection?

Yes. Once the web application is loaded in your browser's cache, you can disconnect from the internet and still perform bulk conversions offline. All image processing runs locally on your device CPU, making it perfect for secure conversion on airplanes or remote locations.

Does converting HEIC files to JPG reduce image quality?

HEIC supports higher bit depths and colors, while JPG is a standard compressed format. However, our converter allows you to set the output quality. Using the recommended 90% quality compression preserves high resolution and visual fidelity while delivering compact JPG files.

Is there any limit to the number of files or file size for bulk conversion?

No server-imposed limitations or file size limits exist. Since conversions occur on your local machine, the batch limit is dictated by your system's RAM. We process your images sequentially (one by one) to prevent browser crashes and allow you to convert hundreds of files at once.

How do I change my iPhone settings to shoot in JPG instead of HEIC?

To prevent your iPhone from capturing images in HEIC, open your device settings, navigate to Camera > Formats, and select 'Most Compatible'. This will configure your iPhone to shoot and save new photos directly in JPG format.

Can I convert HEIC to PNG or other formats on this website?

Yes. Our client-side converter supports both JPG and PNG output formats. You can choose PNG if you need lossless compression or want to preserve transparency details from the original HEIC file.

How to convert HEIC to JPG on iPhone?

You can convert HEIC to JPG directly on your iPhone without installing any third-party apps. Simply open Safari or Chrome on your iOS device, go to our website, and select your photos from the Photo Library or Files app. Since our tool is 100% client-side, the conversion happens in your mobile browser memory, ensuring your private photos never leave your iPhone.

Educational Guide

Understanding HEIC & how to convert to JPG privately.

Everything you need to know about Apple's modern image format, compatibility challenges, and secure offline conversion.

The introduction of the HEIC image format (High Efficiency Image Container) by Apple in iOS 11 marked a significant step forward in mobile photography. Built on the High Efficiency Image File Format (HEIF) standard, HEIC files allow iPhone cameras to store images in high visual quality while consuming nearly half the storage space of traditional JPEGs. It achieves this using advanced video-compression techniques derived from HEVC (H.265). However, while HEIC excels at conserving device storage, it creates a massive compatibility gap. Most legacy operating systems, Android devices, web browsers, and media editing tools do not support HEIC files natively. To share your photos seamlessly, you frequently need to convert HEIC to JPG. Learning how to change HEIC to JPG is essential for any user operating in mixed-device environments.

Why the need to convert HEIC to JPG is so common.

If you have ever transferred photos from an iPhone to a Windows PC, or attempted to upload a file to an online form only to receive an "unsupported file format" error, you have experienced the HEIC compatibility bottleneck. Because HEIC uses patented compression technologies, software developers face licensing restrictions to build native decoders into non-Apple platforms. As a result, standard Windows installations, web platforms like WordPress, and email portals require users to convert their image files first. By using a bulk HEIC to JPG converter to convert your images into the universally recognized JPG format, you guarantee that any device, application, or platform can open and read the file without additional software or extensions.

Feature	HEIC Format	JPG / JPEG Format
Compatibility	Limited (mainly Apple ecosystem, newer OS versions)	Universal (supported by virtually all software)
File Size	Ultra-efficient (approx. 50% smaller than JPG)	Standard (larger relative file size)
Image Quality	Superior (supports 16-bit color, transparency, depth data)	Good (limited to 8-bit color, flat layers only)
Metadata Support	Excellent (saves edit history, thumbnails, bursts)	Standard EXIF (camera data, location tags)

The risks of conventional online converters.

When searchers look for a free HEIC to JPG converter to convert their photos, they often turn to typical cloud-based sites. However, these online file converters expose you to significant privacy and security risks. To convert your photos, these platforms require you to upload your files to their remote servers. Once uploaded, your images are stored, processed, and cached on third-party infrastructure. This poses a severe privacy hazard, particularly for personal family photos, business documentation, or sensitive metadata such as GPS coordinates embedded in the files. Furthermore, these sites are heavily cluttered with intrusive third-party advertisements, cookies, and trackers that slow down your browser and compromise your browsing data.

A secure, serverless alternative: local browser conversion.

Our utility offers a 100% private, serverless alternative to cloud converters, letting you convert HEIC to JPG free of charge and with absolute security. Instead of uploading your files to a remote web server, our tool relies on advanced WebAssembly (WASM) compilers that run directly inside your computer's local web browser cache. By converting HEIC files locally in-memory, your photos never travel across the internet. There are no data leaks, no server-side retention policies, and no queues. Since all decoding tasks run on your local device CPU, the conversion process begins immediately. You can safely convert high-resolution images, adjust quality compression ratios, and download your converted files instantly.

How to bulk convert HEIC to JPG locally.

Select or drag-and-drop photos: Click to select files, or drag one or more HEIC files directly onto the converter viewport.
Adjust compression & quality settings: Fine-tune the output quality. Keep quality at 90% for a perfect balance between sharp resolution and optimized file sizes.
Download your JPG images: Click "Convert All" and download your files individually or as a single ZIP archive once complete.

Offline-ready for on-the-go utilities.

Because our system is built as a client-side serverless application, it is fully offline-capable. Once the site is loaded in your browser cache, you do not need an active internet connection to execute file conversions.

Convert HEIC to JPG. Privately, instantly.