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In-memory processing
Resize Image runs as JavaScript inside this tab.
Never uploaded
Safe for financials, contracts and NDAs.
No caps or sign-ups
File size is limited only by device memory.
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Resize images to exact pixel dimensions for profile pictures, marketplace listings, website layouts or upload forms with size requirements. Lock the aspect ratio to avoid stretching.
You choose. Location and camera data (EXIF) can be stripped for privacy when sharing photos online. The image keeps its original format.
Yes. Resize Image runs entirely inside your web browser using JavaScript, so the file never leaves your device. It is safe for confidential documents such as contracts, financial records and IDs.
There is no fixed limit, because the file is processed on your own device. Very large files depend on your device's available memory; a modern laptop or phone handles hundreds of megabytes.
Yes. ZapConvert runs in any modern browser, including Safari on iPhone and iPad and Chrome on Android, with nothing to install. You can add several files at once and download them together as a ZIP.