Frequently asked questions
This page answers common questions about using Online Image Toolbox.
Are these image tools free?
Yes. The core image tools on the website are available online and usually do not require an account. You can use them for compression, conversion, cropping, resizing, and optimization based on each tool page.
Are images uploaded to a server?
The website tries to keep image processing inside the browser whenever possible to reduce unnecessary data transfer. Exact behavior may still depend on browser support, tool design, and the feature itself, so sensitive files should always be checked against the specific tool page first.
Which image formats are supported?
Supported input and output formats vary by tool, with common support for JPG, PNG, WebP, GIF, and sometimes more. The specific tool page is the best place to check current format support and limits.
Which tools work best in batch mode?
Tasks such as image compression, format conversion, unified resizing, batch cropping, and consistent exporting are usually best for batch processing because the same settings can be reused. Jobs that need fine adjustments, such as detailed cropping or complex design edits, are usually better handled one image at a time.
Why can large or many images feel slow?
Processing speed depends on device performance, available browser memory, image resolution, and how many files are handled at once. For very high-resolution images or large batches, a more capable desktop device is usually the better choice.
How do I save the result?
Most image tools provide a preview and a download option after processing. Once the result looks right, save it to your device in time, because temporary results usually do not stay available after a refresh or page close.
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