Combine multiple images preserving original dimensions and quality

Upload Images

Drop your images here to start

Supports JPG, PNG, and WEBP formats

All Tools

Key Features

Lightning Fast

Process and merge your images in seconds with our optimized engine

100% Private

All processing happens locally in your browser - images never leave your device

Wide Image Support

Create wider merged images with customizable width multipliers up to 4x original size

Customizable

Adjust spacing, background color, and output format to your needs

Multiple Formats

Export as PNG, JPEG, or WEBP with adjustable quality settings

Responsive

Works perfectly on desktop, tablet, and mobile devices

Privacy & Security

Local Processing

All image processing happens directly in your browser using HTML5 Canvas

No Server Upload

Your images never leave your device or get uploaded to any server

No Data Collection

We don't track, store, or analyze any of your images or personal data

Temporary Storage

Images are only held in browser memory during the session and cleared automatically

Open Source

Built with standard web technologies - no proprietary or closed-source components

No Cookies

We don't use any tracking cookies or local storage for user data

100% Free Forever
End-to-End Encrypted
No Registration Required
No Watermarks
Unlimited Usage

Perfect For

Designers

Creating mood boards and design presentations

Business

Merging receipts, documents, and reports

Photography

Creating before/after comparisons and sequences

Education

Building tutorial image sequences and guides

Social Media

Creating story sequences and carousel posts

Personal Use

Combining vacation photos and memories

About Free Online Image Merger

Free Online Image Merger is a professional-grade, completely free web application designed to combine multiple images into a single vertical composite. Built with modern web technologies, it provides desktop-quality image processing capabilities right in your browser.

Wide Image Support: Our unique width multiplier feature allows you to create merged images that are wider than the original images. Choose from 1x (original) up to 4x wider, perfect for creating panoramic-style vertical composites that show full detail.

100% Free & Open Source: There are no hidden fees, subscriptions, or premium features. All functionality is available to everyone, forever. The tool is built using standard HTML5, CSS3, and JavaScript - making it transparent and trustworthy.

Privacy-First Design: Your privacy is our top priority. Unlike online services that require you to upload images to their servers, our tool processes everything locally on your device. Your images never leave your browser, ensuring complete privacy and security.

No Installation Required: Simply open the tool in any modern browser and start merging images immediately. No software to download, no account to create, and no personal information required.