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.
AssumptionsDoes not enforce a file-size ceiling because the selected presets define dimensions, not a universal byte limit. Does not upload or publish the image and does not judge visual content quality.
Ready.
Image size report appears here.
Data handling: This page processes only selected files and form inputs 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, warning, or fail result for dimensions and aspect ratio, plus the file size for manual comparison.
Expected checks
- Width and height
- Aspect ratio
- File size shown for manual comparison
- Preset fit
Artifacts you can produce
- Image size readiness report
What this tool does not do
- Does not enforce a file-size ceiling because the selected presets define dimensions, not a universal byte limit.
- 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.
References and workflow
Open related workflowTool guide
How to use Platform Image Size Checker
Use this before uploading an image to a store, marketplace, social post, or ad slot. The result checks the selected dimension preset and displays file size without claiming a universal byte limit.
What this tool does
Upload one image and compare its dimensions and aspect ratio with a social, marketplace, or product-page preset.
- Input
- Choose one image and select the target platform preset
- Output
- Review dimensions, ratio, file size, and preset match result
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.
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.