Resize Image
Changes pixel dimensions by width, height, or percentage. It is for preparing exact-size images without opening a full photo editor.
Runs in your browser. Files and results are not sent to Utilio servers.
Resize Image
Live preview. Files stay on this device.
Settings
What Resize Image does
Use Resize Image when you need to fit images into CMS, marketplace, avatar, or banner size requirements.
When to use it
- Fit images into CMS, marketplace, avatar, or banner size requirements.
- Create smaller copies for web pages while keeping the same composition.
- Scale batches down before compression or PDF export.
How to use it
- Add the image and check the current width and height.
- Set target pixels or a percentage while keeping the ratio when needed.
- Export and confirm the final dimensions before uploading elsewhere.
What to check
- Do not upscale small images when sharp detail matters.
- Keep aspect ratio on for portraits, logos, and product photos unless cropping is intended.
Data, formats, and limits
What stays on your device and what is sent
Runs in your browser. Files and results are not sent to Utilio servers.
Supported formats
Supported: PNG, JPG, JPEG, WebP, AVIF. Not supported: HEIC, HEIF, TIFF, BMP, SVG, PDF.
File limits and browser requirements
- Up to 40 MB per image
- Image decoding depends on the browser; some formats or color profiles may not open on every device.
- Very large pixel dimensions can exceed browser canvas or memory limits even when the file size is below the limit.
Known limits
- Image decoding depends on the browser; some formats or color profiles may not open on every device.
- Very large pixel dimensions can exceed browser canvas or memory limits even when the file size is below the limit.
Troubleshooting
- If the image does not load, check the file format and try opening it directly in the browser.
- If processing stalls on a phone or older laptop, reduce the image resolution and try again.
- If the result looks soft or too large, adjust quality, dimensions, or output format.
Common questions
What does Utilio receive?
Runs in your browser. Files and results are not sent to Utilio servers.
What is it useful for?
Use it when you need to fit images into CMS, marketplace, avatar, or banner size requirements. Start by adding the image and check the current width and height.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. For large files, complex previews, or careful review, a browser on a computer is usually more comfortable.
How do I get a reliable result?
Add the image and check the current width and height. Then set target pixels or a percentage while keeping the ratio when needed. Do not upscale small images when sharp detail matters.
Which formats are supported?
Resize Image supports PNG, JPG, JPEG, WebP, AVIF. It does not support HEIC, HEIF, TIFF, BMP, SVG, PDF.
What file size works best?
Up to 40 MB per image. Browser memory and device speed can still affect large files.
Why did I not get the result I expected?
Image decoding depends on the browser; some formats or color profiles may not open on every device. If the result still looks wrong, try a smaller or simpler input and review the output before using it.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.

