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Date published: February 6, 2026
Last update: February 6, 2026
Author: Marek Hovorka
Category: How-To Tutorials
Tags: Batch Conversion, HEIC, Image optimization, JPG, Mac, PixConverter, PNG, WebP, Windows
Batch conversion lets you convert entire folders of images at once. Discover step-by-step methods for Windows, Mac, and online tools to streamline your workflow.
In today’s digital workflows, images are everywhere: websites, social media, e-commerce platforms, design projects, and personal photo collections. Managing them efficiently can save hours of repetitive work. That’s where batch image conversion comes in.
Instead of manually converting one image at a time — which can be painfully slow if you’re dealing with hundreds or even thousands of files — batch conversion tools allow you to process entire folders of images at once. With just a few clicks, you can:
👉 For a quick overview of how different formats perform, check out our comparison guides like JPG vs PNG: When to Use Each Format or PDF vs JPG: Which Works Better for Documents.
Batch conversion isn’t just a convenience — it’s a productivity superpower. In the sections ahead, we’ll show you step by step how to batch convert images on both Windows and Mac, covering built-in methods, third-party apps, and online tools like PixConverter.
Windows users have several ways to handle batch image conversion, ranging from native features to specialized third-party apps. The choice depends on whether you want something quick and simple or a more advanced workflow.
Unfortunately, Windows doesn’t have a fully dedicated “batch convert” button out of the box, but there are a couple of built-in solutions worth mentioning:
ImageMagick). This requires some scripting knowledge but can be extremely powerful for bulk tasks.Most Windows users prefer dedicated apps that simplify batch conversion without coding. Popular choices include:
For advanced workflows, designers and photographers often use:
If you don’t want to install additional software, online tools like PixConverter can be used directly in the browser. These tools allow you to upload multiple images, convert them to a chosen format, and download everything as a zip file.
👉 Want to know which format is best for your project? Take a look at our guide on WebP vs PNG to see when switching formats during batch conversion makes the most sense.
One of the biggest advantages of macOS compared to Windows is that it comes with powerful built-in tools for batch image conversion. Apple designed its system with creatives in mind, so converting dozens (or even hundreds) of images at once can often be done without installing anything extra.
If you want more flexibility than Preview, several free apps offer enhanced batch features:
For users who prefer cloud-based workflows, web apps like PixConverter’s Batch Converter work seamlessly on Mac. Simply drag and drop your files into the browser, select your output format, and download everything at once. This is especially useful when you don’t want to set up Automator workflows or install third-party software.
👉 Before you start converting on Mac, it’s worth reviewing which format you should choose. Our guide JPG vs PNG: When to Use Each Format can help you decide whether to prioritize compatibility, transparency, or compression.
While Windows and Mac both provide solid options for bulk image conversion, sometimes the easiest solution is simply to use an online batch converter. This approach has several advantages: it’s platform-independent, doesn’t require software installation, and is often the fastest way to process files if you’re working across different devices.
PixConverter’s Batch Converter is designed exactly for this purpose. With it, you can:
Of course, online batch conversion isn’t perfect:
👉 For deeper dives into format choices during online conversion, see our articles covering topics about WebP, PNG and PDF vs JPG, which explain when to pick lightweight formats versus higher-quality alternatives.
By now, you’ve seen how batch image conversion works on Windows, Mac, and online. The real challenge isn’t just how to convert, but how to choose the best workflow for your needs. The right setup can save you time, keep your image libraries consistent, and optimize your files for performance.
👉 The dedicated article about WebP and AVIF comparison can be found here.
With formats like AVIF and HEIC gaining ground, batch conversion will become even more important. Expect future workflows to include smart automation that selects the optimal format for each device automatically. Until then, mastering batch conversion tools gives you a clear edge in productivity and efficiency.
1. What is batch image conversion?
Batch image conversion is the process of converting multiple images at once into a different format, size, or quality level, saving significant time compared to manual conversion.
2. How do I batch convert images on Windows?
Windows users can use apps like IrfanView or XnConvert, or even PowerShell with ImageMagick. Online tools such as PixConverter’s Batch Converter also make the process quick and easy.
3. How do I batch convert images on Mac?
Mac users can rely on Preview, Automator, or third-party tools like Affinity Photo and XnConvert. Online converters also provide a simple option without software installation.
4. Is there a way to batch convert HEIC to JPG?
Yes. iPhone photos saved in HEIC format can be converted to JPG in bulk using PixConverter’s HEIC to JPG converter or desktop apps like XnConvert.
5. What is the best format to convert images to?
It depends on your use case. JPG is universal for sharing, PNG is best for transparency, WebP and AVIF are ideal for web performance, and HEIC works well in Apple’s ecosystem.
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