Combine multiple images into one — vertical, horizontal, or grid with spacing, padding, and rounded corners
WhiskFile Merge Images is a free online tool to combine multiple images into one — vertical, horizontal, or grid with spacing, padding, and rounded corners. Files are processed entirely in your browser — nothing is uploaded to any server.
Quick Answer
Combine multiple images into one — vertical, horizontal, or grid with spacing, padding, and rounded corners. WhiskFile's Merge Images is free, works in your browser, and requires no account. Your files never leave your device — all processing happens locally.
Upload images
Select or drag and drop multiple images (JPG, PNG, WebP, GIF, BMP).
Choose layout
Pick vertical, horizontal, or grid arrangement. Drag to reorder images.
Reorder images
Drag and drop images in the panel to arrange them in your preferred order before merging.
Customize appearance
Adjust spacing, outer padding, corner radius, background color, and alignment.
Download
Download the merged image as JPG, PNG, or WebP with your chosen quality.
Preview result
See a live preview of the merged image with your layout, spacing, and background settings applied.
Max file size: 50 MB (free) · 500 MB (paid). Processing time: ~3s on average. Batch processing: upload multiple files at once.
Merge Images runs entirely in your browser — no software to install. Works on any device with a modern browser.
Windows & Mac
Chrome, Firefox, Edge, Safari
iPhone & Android
Safari, Chrome mobile
iPad & Tablets
Full touch support
Unlike server-based tools that upload your documents, WhiskFile processes everything locally in your browser. Your files never leave your device — not even temporarily.
No upload required
Files are processed in your browser — nothing is sent to any server
100% private
No server storage, no data collection, no third-party access
Works offline
Once loaded, works without an internet connection
“Batch-converting RAW exports to web formats saves me hours every week. The quality is excellent.”
Carlos Ruiz
Photographer
“Resizing and converting images for different platforms used to be tedious. Now it's drag and done.”
Priya Sharma
Social Media Manager
Help us improve by sharing your experience with Merge Images.
Client-side processing
This tool now runs entirely in your browser — files never leave your device.
Result preview & sharing
Preview your processed file before downloading, and share results via a secure link.
Yes. Drag and drop images in the left panel to reorder them before merging.
Enable 'Uniform Size' to automatically scale all images to match. In vertical layout they match the widest; in horizontal they match the tallest; in grid they fit within cells.
Yes. Use the Corner Radius slider (0-50px) to apply rounded corners to each image in the merged output.
Check the 'Transparent background' option. The output will automatically switch to PNG format to preserve transparency.
The output canvas is capped at 8000px on any side to prevent browser memory issues. Images are automatically scaled down if needed.
No. All merging happens in your browser. Your images never leave your device.
Yes. Enable Uniform Size mode to automatically scale images to match. Or leave it off to keep originals — WhiskFile handles mixed dimensions, aspect ratios, and orientations.
Three layouts: Horizontal (side by side), Vertical (top to bottom), and Grid (rows and columns, 1–8 columns). Each supports custom spacing, padding, and alignment.
Yes. WhiskFile works in any modern mobile browser — Safari on iOS, Chrome on Android. No app installation needed.
There is no fixed limit. Performance depends on your device — most handle 20–50 images easily. The output canvas is capped at 8000px per side.
Yes. Choose Vertical layout to stack screenshots top-to-bottom into one scrollable image — perfect for documentation, tutorials, or chat conversations.
JPG, PNG, and WebP. Choose PNG for transparent backgrounds, JPG for photographs, or WebP for modern web use with smaller file sizes.
After the page loads, the merger works without an internet connection. All processing uses client-side JavaScript in your browser.
Yes. Merge Images on WhiskFile is completely free with no account required. Free users get 7 tasks per day with files up to 50 MB. There are no watermarks on any plan. Pro plans ($4.99/month) unlock unlimited tasks, 500 MB files, batch processing, and API access.
Yes. Merge Images runs entirely in your browser using WebAssembly. Your files are never uploaded to any server — they stay on your device throughout the entire process. No data is transmitted, stored, or accessible to WhiskFile or any third party.
Merge Images accepts JPG, JPEG, PNG, WEBP, GIF, BMP files as input and produces JPG, PNG, WEBP output. The maximum file size is 50 MB on the free plan (500 MB for Pro users). There are no page count limits.
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Chromebook & Linux
Any modern browser
