Resize Image
Resize an image to an exact width and optional height, with proportional height calculated automatically when omitted.
About Resize Image
Resize an image to an exact width and optional height, with proportional height calculated automatically when omitted. High-quality resampling creates the requested dimensions; if height is omitted ToolFlow calculates it from the original aspect ratio.
How to use Resize Image
Upload an image and enter the required width. Add a height for exact dimensions or leave height empty to preserve the original aspect ratio automatically.
When Resize Image is useful
- Prepare image assets for websites, documents, listings or content publishing.
- Create a derivative image with the format, dimensions or effect provided by Resize Image.
- Inspect or transform an image without changing the original upload.
Practical tips
- Keep an untouched copy of the original image before changing format or dimensions.
- Repeated JPEG re-encoding can introduce visible compression artifacts; use PNG when lossless editing matters.
- For exact layout work, verify the downloaded pixel dimensions before publishing.
Resize Image FAQ
Does Resize Image change my original input?
No. ToolFlow works on a temporary upload or submitted value and returns a separate result. Your local original is not overwritten.
Do I need to install software to use Resize Image?
No browser extension or desktop application is required. Some file tools depend on server modules such as FFmpeg, GD, Poppler or LibreOffice being enabled by the site operator.
Privacidade e tratamento de ficheiros
Uploaded files are processed in temporary server storage. ToolFlow attempts to delete temporary source and output files after processing or delivery. Do not upload material you are not authorized to process. See the Política de Privacidade for details.