Free JPEG Converter

Get reaConverter, a trusted software for JPEG image conversion. Convert between a great number of file formats, including JPEG.

Need a fast, reliable tool to convert your JPEG images in bulk? reaConverter Lite is our brand-new free edition that brings the power of batch image conversion to everyone. Whether you're resizing, reformatting, or organizing your files, Lite delivers smooth performance with support for the most popular formats. You can even convert images instantly using the right-click menu in Windows Explorer — no need to open the program.

How to Convert .jpeg Images in Bulk

1. Install reaConverter Lite

Download reliable JPEG conversion software to convert multiple .jpeg files and folders in one go.

2. Select JPEG Files

Select JPEGs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load JPEG files

3. Start Conversion

Click Convert to start the bulk conversion of all selected JPEG images. The process will begin right away.
reaConverter - Start JPEG conversion

Convert JPEG on your PC

  • Convert hundreds of JPEG images in seconds
  • Clean, intuitive interface
  • Right-click conversion straight from Windows
  • No internet required — fully offline
  • Ideal for everyday conversion tasks

Do more with your images

Converting JPEG images for use in a workflow? Touch up, transform, apply editing and effects to your images during conversion.

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.

User Reviews

Average User Rating:
Last updated on February 26, 2025
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Happy User
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Happy User
"My photography business relies on fast, accurate processing of images. With reaConverter’s Watch Folder, I drop my RAW photos into a folder and they’re instantly converted to high-res JPEGs with custom naming and watermarking. It’s streamlined my post-processing more than I imagined possible."
Emily R.
Photographer
"This program is incredibly simple and user-friendly — even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
Happy User
"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically — exactly how I need it. This is pro-level automation made simple."
Chloe M.
Freelance Illustrator
"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."
Rebecca Turner
Marketing Agency CEO

JPEG images: Frequently Asked Questions

Can reaConverter open JPEG files?

reaConverter fully supports the JPEG image format – open, edit, and export JPEG files to any other popular file format with ease.

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.

How do I change JPEG to another format?

reaConverter is a user-friendly tool for converting JPEG files. Once installed on your computer, it allows you to convert all your .jpeg files at once with just a few clicks. You can even convert jpeg images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert JPEG online?

If you only want to convert a few JPEG images, you are welcome to try our free online JPEG converter.

How can I turn JPEG files on my computer to another format?

The best way to convert JPEG images on your PC is to get 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 JPEG.

How can I automate JPEG files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert JPEG files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line jpeg converter.

What else can I do with reaConverter?

Convert vector imagesConvert picture color spaceConvert GIS filesConvert PDFWatermark photo

What formats can I convert a JPEG file to?
What types of files can I convert to JPEG format?

Discover more

Download our free right-click JPEG converter that saves you time and effort by converting multiple .jpeg files into different formats.
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