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How to Quickly Bulk/Batch Convert HEIC to JPG (Windows & Mac & Online)

by Christine Smith • 2024-02-27 11:21:40 • Proven solutions

You probably know the many ways to convert your old photos from HEIC to JPG but not in bulk or batches. It may become something of a chore converting photos from HEIC to JPG in Mac and window one at a time when you have so many files to get through; this is why we want to introduce you to the various and quick ways that you can use to bulk convert from HEIC to JPG.

This post aims to show you quick ways to convert multiple HEIC to JPG on Mac and also how to convert multiple HEIC to JPG on windows too. By the end of this piece, you should be able to access your loads of files stuck in the HEIC format with both your Windows device and mac device in a small amount of time and with relative ease too, bypassing any and every existing compatibility issues

Part 1: Why are My Photos in HEIC format?

You should know that newer Apple devices run on iOS 11, which is an improved and better-adapted operating system than the previous ones. Before the advent of the new iOS 11, iPhones captured images in the standard JPG format, which was your basic run-off-the-mill image standard that presented no compatibility issues across multiple devices.

In the new iOS, Apple sought to improve the quality of pictures that its newer devices captured, and that was when the HEIC photo standard was born.

 The HEIC picture format is Apple's version of the HEIF or High-Efficiency Image File format. Although it isn't supported across many devices, this image format was intended to be an improvement of the JPG and other standard image formats, and it is, save for compatibility issues on iOS before iOS 11 and other devices like Windows, Blackberry, and Androids.

The HEIC format captures high-resolution pictures that are great to look at; it takes desirable picture quality that is squeaky clean. The HEIC was also structured to compress photos and reduce the amount of space it takes up in a device.

If your current device is running on iOS 11 upwards, your photos are automatically capturing in the HEIC format except you physically change the camera setting; even when you have done this, your old photos will be in the HEIC format till you convert them to JPG or any other standard image format. This is why we want to show you how to bulk convert your photos from HEIC to JPG at the snap of a finger and make them accessible across your devices.

Part 2: How to convert multiple HEIC to JPG on Mac with its Preview

There are numerous third-party apps availed to that will conveniently and easily batch convert images for, and there's Preview. Preview is a versatile file viewer embedded into the macOS. It will easily convert bulk of pictures for you in one quick swoop. If you have many photos on your Mac stuck in Apple's HEIC format, Preview provides an avenue to convert them to the more accessible JPEG format quickly.

many users may not be aware of this, but Preview can convert files in 18 different image formats, including the following:







Microsoft BMP

Microsoft Icon








QuickTime Movie



The Option (⌥) key is the secret to accessing all of Preview's export options. Keep reading to learn more of the strength of Preview when it comes to bulk/batch conversion in MacOs in the following step-by-step details.

  1. Open to a Finder window and hold down the Command ( )  key, individually select all the images you want to convert; if they're batched together consecutively, hold down Shift, click the first and last File then you would have automatically selected all of them.

use Finder to choose .jpg pictures

  1. Double-click just one out of the selected images. This will open them all in Preview. If Preview isn't already your image viewer by default, right-click (Ctrl-click) instead and choose Open With -> Preview from the dropdown menu box.
  2. Click inside the Preview sidebar. (if it's doesn't show, click the View Menu  button and select Thumbnails .) If Contact Sheet view is what you are using, drag a box above all the images to select them.

preview sidebar view

  1. Select Edit, select All from the Preview menu bar, or use the Command-A keyboard shortcut to select all the open images.

Select all images

  1. Select File, then export Selected Images...  from the menu bar.

Exported selected .jpg images to .heic

  1. Pick a location to export your converted images and click the Options button in the Export window.

Click export option

  1. Drag the Quality slider to your desired level (look out for the file size).
  2. Choose an image type from the Format dropdown menu. You can hold down the Option ( )  key when you click the Format button to reveal the many image formats available to you.
  3. Click Choose.

A progress indicator bar will come up in place of Preview's Export window. Once this is done, you'll find your exported images in the selected location and format, ready and available for you to use as you wish.

Part 3: Can I batch convert HEIC to JPG on Windows 10/Mac?

Yes. You can do this by adapting its in-built features to HEIF image extensions for image conversions and video extensions for video conversions. While the HEIF extension is free, you can purchase the extension for $0.99. without both, you cannot be able to open HEIC files on your Windows 10.

This method may be a bit burdensome, a good thing there are smatter options that one can employ to carry out this chore, like using an all-in-one professional program like Wondershare Uniconverter.

Part 4: Fastest ways to batch convert HEIC to JPG - Wondershare Uniconverter

We have already looked at ways to batch-convert HEIC to JPG in Mac and Windows using Preview in Mac and use the inbuilt features in Windows 10 adapted to HEIC and extensions; Wondershare Uniconverter trumps them all because the preview app comes with only a limited editing options

Wondershare UniConverter is a powerful all-in-one tool that will help you convert HEIC photos in Mac and Windows to JPG/JPEG, TIFF, PNG, and BMP formats. You can also apply Wondershare Picture Converter to reduce your pictures data-wise by tweaking the size of the image and so on. This app can also encode video/audio formats like MP3, MP4, FLV, 3GP, MPEG, and more. It has high compatibility with Mac and windows, is very secure, and is an offline usage tool.

 Key Features of Wondershare UniConverter

  • It converts multiple media files at once with no loss in quality
  • It comes with a plethora of editing options
  • It has a 90x faster conversion speed than any other conventional converters
  • Wondershare Uniconverter supports all standard image formats like HEIC, JPEG, PNG, etc
  • These are the supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7
  • It comes with a Toolbox with additional functions like Screen Recorder, VR Converter, GIF Maker, Fixing Media Metadata, and more

 How to convert bulk images from HEIC to JPG on Mac using Wondershare Uniconverter:

Step 1Open Image Converter.

When you have downloaded and installed Wondershare Image Converter, click the Toolbox and then open the Image Converter.

Toolbox image converter

Step 2Upload your pictures.

 Drag your photos and drop them on the Image Converter window. You can also press the Folder icon on the top-left corner and import as many local pictures as you want.

Add Heic pictures

Step 3Customize photos (optional)

choose all your photo thumbnails, click on the Crop or Effect icon, and the editing tool window will be opened. Here, may remove or add watermarks, crop, and apply effects. If like the result, click Apply All and Ok. You may also click the Settings button found on the upper-right corner to adjust size and quality.

Edit photos

Step 4Save photos.

Scroll to the Convert all images on the menu and open it. Select the JPG as the target format and then hit the Convert button. That is it.

Batch heic to jpg

These are the easy steps to bulk convert HEIC to JPG on Mac quickly and conveniently. These steps are also available in the Windows version of the wondershare Uniconverter app and just as easy if not easier to use.

Part 5: Bonus tips: top 3 tools to convert HEIC to JPG online for free

The above method is the most convenient method to convert HEIC to JPG in bulk without compromising the photo quality. However, if you ever need to convert image files online on a computer or mobile device, just like the Wondershare online image converter, these options are great too.


HEICtoJPEG is an online conversion website that is strictly for converting HEIF files to JPEG with high quality. It is user-friendly and uploads HEIC files in a flash. Opt to upload files using either the "Upload" button or drag and drop files to the interface. It takes only take a few seconds to process a download link with your JPEG file after upload.


Easy to use user interface.

Super-fast app.

Supports drag-and-drop.


Unsuitable for professionals

Limited editing functions.


With Squoosh, you can use the "Upload" button to add photos or merely drag and drop pictures on Squoosh. Unlike HEICtoJPEG, Squoosh is more abundant in features. After an upload, it allows you to alter the background, rotate or flip images, adjust image quality, etc. You can then choose to convert your image to either PNG, BMP, JPEG, or AVIF formats.


No adverts.

Variety of editing tools.

Apply image background.


Works strictly online


This straightforward website allows users to convert HEIC to any other standard image format. What makes this tool unique is its batch-conversion ability of up to 5,000 files and at no hidden charges. The only downside to Freetoolonline is its outdated user interface.


Handles bulk conversion conveniently

Fast conversions



Outdated user interface

Interface advertisements

Final words:

These are three of the many free online image conversion tools that will get the job done, albeit with slight limitations. Your best bet at bulk conversion from HEIC to JPG on Mac and Windows is the Wondershare Uniconverter app with great speed, versatile options, and editing tools. The best part is the uncompromised quality of output.

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Christine Smith

Christine Smith

chief Editor

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