Image dimensions fail the selected preset
The image may have the right subject but the wrong aspect ratio for the chosen platform slot.
Choose the correct preset, then crop or pad the image before uploading it.
Use this tool
Prepare the input and run the tool
Choose one image and select the target platform preset. Result: Review dimensions, ratio, file size, and preset match result.
Ready.
Image size report appears here.
Data handling: Files and pasted data are processed in this browser session.
Readiness details
What to check before using the result
Sample input
A local JPG, PNG, or WebP image plus the upload preset you need to match.
Output preview
Pass/fail report for width, height, aspect ratio, and file-size readiness.
Expected checks
- Width and height
- Aspect ratio
- File size
- Preset fit
Artifacts you can produce
- Image size readiness report
Limits to review
- Does not upload or publish the image and does not judge visual content quality.
Practical notes
- Check the final image file, not only an editor preview.
- Use batch tools when a folder of images needs the same preset.
Tool guide
How to use Platform Image Size Checker
Use this before uploading an image to a store, marketplace, social post, or ad slot. The report shows whether the image fits the selected preset.
What this tool does
Upload one image and check its size against social, marketplace, or product-page presets.
- Input
- Choose one image and select the target platform preset
- Output
- Review dimensions, ratio, file size, and preset match result
Tool advantages
- Runs in this page; the file or pasted data is not sent to a new app.
- Keeps the preview, report, and download in the same screen.
- Gives you a report you can use as a cleanup list.
Step-by-step usage guide
- 1Choose an image.
- 2Select the platform preset.
- 3Review the size result and fix the image if needed.
Common errors and fixes
File size is too large
High-resolution PNGs and uncompressed exports can exceed platform upload limits.
Compress the image or convert it to WebP or JPEG before rechecking.
Transparent images preview unexpectedly
Some platforms display transparent PNGs against a default background.
Add a background or pad the image with the intended color before final upload.
When to use Platform Image Size Checker
- You are checking files before an upload, import, share, or delivery.
- You want to confirm the result before sending it to another system.
- You need a copied result, downloaded file, or report that can be reviewed outside the page.
FAQ
Does this edit the image?
It checks dimensions and ratio, then reports whether the image matches the selected preset.
Can this run offline?
The image is read locally in the browser.