Compress Image
Reduce JPG, PNG and WebP file sizes without uploading your images.
Image toolsResize Image
Change image dimensions in pixels or by percentage.
Processed locally in your browser — your file is not uploaded.How is this private?
Processing happens in this browser tab, so files are not uploaded to Metyris for processing. Reloading or closing the page clears working data, though your browser may retain temporary files or downloads. Very large files can exceed available browser memory.
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How to use Resize Image
- Choose your image.
- Set dimensions or a percentage; lock the ratio to avoid stretching.
- Resize and download in your selected format.
Does enlarging add detail?
No. Enlarging adds pixels but cannot recover missing detail. Keep the aspect ratio locked for natural proportions.
No sign-up is required. The calculation or transformation happens in this browser tab and the result is available immediately.
BEFORE YOU RELY ON THE RESULT
Practical guidance
Resizing changes pixel dimensions. It is useful for upload limits, web layouts and email attachments, but enlarging an image cannot recreate missing detail.
Supported inputs and limits
Choose one JPG, PNG or WebP image up to 30 MB and 40 megapixels. Width and height must remain between 1 and 16,384 pixels, with a maximum output area of 40 megapixels.
Keep the aspect ratio locked unless intentional stretching is acceptable. A percentage resize is useful when the exact output dimensions are unimportant.
Format and quality consequences
The browser re-encodes the image, which removes metadata and may change color-profile handling. Animated input becomes a still frame. PNG and WebP can preserve transparency; JPEG replaces transparent areas with white.
Downscaling removes detail. Upscaling creates more pixels but does not restore sharpness. Compare fine text and edges before discarding the original.
Reducing file size
Dimensions and compression solve different parts of the problem. Resize first when the image is physically larger than the destination needs, then compress the resized copy to meet a byte limit.
Related workflow
- Compress Imagereduce bytes after choosing dimensions
- Compress Image to 100KBcheck a strict file-size target
- Crop Imageremove unneeded edges before resizing
- Read the image-readability workflowprotect small text and signatures
A useful next step
Compressing an image without destroying readabilityChoose dimensions, format and compression in an order that protects text, signatures and important detail.Good to know
Does the original file change?+
No. The result is a new download.
What happens to metadata?+
Canvas processing removes metadata and animated inputs become a still frame.
Is my content uploaded?+
No. Processing happens in this browser tab and the tool does not send your content to a server.