Free JPG to JPEG Converter

Looking for a simple and reliable way to convert JPG files to JPEG? Try reaConverter Lite — our free image converter designed for smooth, high-quality results.

reaConverter Lite supports batch processing, so you can convert dozens or even hundreds of JPGs to JPEG in one go. Work fully offline, fine-tune resolution and quality settings, and even use right-click conversion directly from Windows Explorer for ultimate convenience.

Fast. Free. Fully offline.

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How to Convert Multiple JPG Images to JPEG?

1. Download and Install reaConverter Lite

reaConverter Lite is quick to download, easy to install, and ready to launch in seconds. This lightweight, standalone software is highly efficient at handling a wide range of batch image conversions. Plus, it lets you apply essential image editing options — such as resizing, rotating, or adjusting quality — during the conversion process.

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Install reaConverter Lite

2. Load your JPG files

Start reaConverter and load all the .jpg files you intend to convert into .jpeg. The software supports multiple JPG conversion and processes all files locally on your computer.

Select JPGs from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your JPG files into reaConverter

3. Select JPEG as output format

Pick the JPEG as output format and choose the destination folder where you want to save new .jpeg files.

Select JPEG as output format

4. Start JPG to JPEG conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your JPEG files in the destination folder you selected.

JPG to JPEG — Free

Convert your JPG files to JPEG in seconds using reaConverter Lite — the fast, free, and offline solution. All conversions are processed locally on your PC, ensuring maximum speed and privacy with no internet required.

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Do more with your images

Converting JPG images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on April 23, 2025
"Trying to remove backgrounds from product photos for my Etsy shop was impossible with JPGs. reaConverter batch-converted all my files to PNG in 2 clicks - finally got those clean transparent backgrounds I needed!"
Sarah Russell
Satisfied Customer
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Happy User
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Satisfied Customer

JPG to JPEG Conversion: FAQ

What are JPG files?

JPG is one of the most popular image file formats currently in use, often referred to as a standard for uploading images online and for displaying photographs. One of its main advantages is providing a good image quality in a relatively small file size, which is easy to store and transfer. JPG uses a type of compression that prioritizes the quality of some image sections over others, thus assuring that most favorable quality/size ratio.

What are JPEG files?

JPG or JPEG is a commonly used method of lossy compression. JPEG compression is used in a number of image file formats. JPEG/Exif is the most common image format used by digital cameras and other photographic image capture devices; it is the most common format for storing and transmitting photographic images on the internet.

Can reaConverter convert JPG to JPEG?

Yes! reaConverter instantly converts .jpg to .jpeg with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Is reaConverter free?

Yes — reaConverter Lite is completely free to use! It offers powerful batch image conversion, right-click integration, and support for popular formats, all without requiring an internet connection. For advanced features like automation, metadata editing, and support for rare formats, you can upgrade to the Pro edition anytime.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert JPG to JPEG online?

If you only need to convert a few JPG files to JPEG format, feel free to try our free online free online JPG to JPEG converter — perfect for small batches with no installation needed!

How can I turn JPG files into JPEG on my computer?

The best way to change JPGs to JPEGs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from JPG to JPEG.

How can I automate JPG to JPEG files conversion?

reaConverter supports all the most useful automation features such as Right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert JPG files to JPEG using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line jpg to jpeg converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert RAW formatsConvert vector imagesChange image color space

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Get a free, user-friendly tool for image conversion and editing — with fast results and full control. Use the right-click menu to convert files instantly, or process batches with essential editing options.
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