Merge JPG Files — Combine JPEG Images Online Free
Upload multiple JPG images and combine them into one with adjustable compression quality. Free, private, no signup — works on any device.
Drop images here or click to upload
JPG, JPEG, PNG, or WebP — output is always JPG
How to Merge JPG Files
Upload JPG images
Click the upload area or drag and drop your JPEG files. You can upload up to 20 images at once.
Choose layout direction
Select horizontal (left to right) or vertical (top to bottom) arrangement for your JPG images.
Set compression quality
Use the quality slider (1-100%) to control the output file size. The estimated size updates as you adjust.
Download merged JPG
Click Download to save the combined JPEG image. The file is generated instantly in your browser.
What Is Merge JPG?
Merge JPG is a free online tool designed specifically for combining JPEG images into a single file. Upload multiple JPG photos, arrange them horizontally or vertically, and control the output compression quality — all processing runs in your browser with no server uploads.
The quality slider (1-100%) gives you precise control over the balance between file size and image clarity. A higher value preserves more detail but produces a larger file. The tool also displays an estimated output file size in real time so you can find the perfect trade-off before downloading.
Why Merge JPG Files?
JPEG is the most widely used image format on the web and across devices. When you need to combine multiple JPEG photos — whether for an email attachment, a social media post, or a product listing — having a dedicated JPG merger ensures the output stays in JPEG format with controlled compression, keeping file sizes manageable.
Unlike generic image mergers, our JPG-specific tool always outputs JPEG and lets you dial in the exact compression level. This is especially useful when you need to stay under a file size limit (e.g., email attachments under 5 MB or marketplace listings with size restrictions).
Key Features
- Quality control — Adjustable compression slider from 1% to 100% with real-time file size estimation.
- Forced JPEG output — Even if you upload PNGs, the merged result is always a JPG file. Transparent areas are filled with white.
- Horizontal or vertical merge — Place images left-to-right or stack them top-to-bottom.
- Batch support — Merge up to 20 JPG images at once.
- Privacy-first — Your photos never leave your device. Everything runs locally in your browser.
Common Use Cases
- Email attachments — Combine several photos into one lightweight JPEG file that fits attachment size limits.
- E-commerce listings — Merge product photos from multiple angles into a single image for Amazon, eBay, or Etsy.
- Photo journals — Stitch travel photos together vertically to create a visual timeline.
- Documentation — Combine screenshots or scanned documents into a single JPEG for reports.
Want to crop your images into circles first? Use our circle crop image tool before merging. Need lossless output instead? Try our PNG merger with transparency support. For more layout options including grid mode, use the Image Merger. You can also overlay images or place photos side by side.
Frequently Asked Questions
How do I merge JPG files online?
Upload your JPG images, choose horizontal or vertical layout, set the compression quality, and click Download. The merged image is always output as a JPG file.
Can I control the JPG quality?
Yes! Use the quality slider (1-100%) to balance file size and image quality. The tool shows an estimated file size as you adjust.
What happens if I upload a PNG?
Non-JPG images are accepted but the final output is always converted to JPG format. Transparent areas will be filled with white.
Is there a file size limit?
Individual images should be under 10 MB for best performance. You can merge up to 20 images at once.
Is this tool free?
Yes, 100% free with no watermarks, no signup, and unlimited usage. All processing happens in your browser.
What is the difference between JPG and JPEG?
JPG and JPEG are the same format. JPG is simply the three-letter file extension used on older systems, while JPEG is the full name. Our tool handles both identically.
Can I merge JPEG files on my phone?
Yes, this JPEG merger works on any device with a modern web browser — iPhone, Android, iPad, or desktop. No app installation needed.
How do I reduce the file size of the merged JPG?
Lower the quality slider to reduce the output file size. A setting of 70-80% usually gives a good balance between quality and size. The estimated file size updates in real time.
Can I merge more than two JPG images?
Yes, you can merge up to 20 JPG images at once. Upload all your files, reorder them by dragging, and download the combined result.
More Free Image Tools
All tools are free, work in your browser, and require no signup.