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Frequently asked questions
What does “Match sizes” do?
It scales the images so they all share the same height (horizontal) or width (vertical), using the smallest one as reference.
Can I change the order of the images?
Yes, use the arrows on each thumbnail to move it earlier or later; the preview updates instantly.
Is Merge Images free to use on Toolkoa?
Yes, the Merge Images tool is 100% free, unlimited and requires no sign up or installation.
Are my files sent to any server when using Merge Images?
No. Every operation on Toolkoa is processed privately and locally, directly in your own browser.
Do I need to install anything to use Merge Images?
Nothing to install. Merge Images runs in any modern desktop or mobile browser, and once the page has loaded you can keep using it without relying on the connection.