Check image dimensions against common presets
Upload an image to validate pixel dimensions, file size, megapixels, 300 DPI print size, orientation, aspect ratio, and preset matches for social posts, thumbnails, banners, and marketplace images. Processing stays local.
Use this tool freeBrowser tool
Image dimension checker
Runs locally in your browser. The selected image is not uploaded by this tool.
JPEG, PNG, and WebP are supported by default. Specialized converters restrict the file picker to their required input format.
How to check image dimensions
Upload an image
Choose a JPEG, PNG, or WebP file from your device.
Review dimensions
See the exact pixel size, file size, megapixels, 300 DPI print size, orientation, aspect ratio, and preset match results.
Resize if needed
Use the closest preset guidance to resize or crop for the target channel.
Features
Instant dimensions
Reads image width, height, file size, and megapixels from the browser without uploading the file.
Preset validation
Compares against common Instagram, YouTube, Facebook, LinkedIn, Pinterest, and marketplace dimensions.
Ratio guidance
Shows the simplified aspect ratio and closest preset when an exact size does not match.
After this task
After this free tool, open Ai Enhance for the next AI editing workflow.
Continue with Ai EnhanceSpecifications
| Checks | Dimensions, file size, megapixels, print size, preset match, aspect ratio, minimum size |
| Processing | Browser File API |
| Uploads | None |
Related Magic Eraser Tools
Common questions
Is my image uploaded?
+
No. The file is decoded locally in your browser and never sent to a server.
Which presets are included?
+
The checker includes common social, thumbnail, banner, pin, and marketplace square image sizes.
Need to resize after checking?
Use Magic Eraser tools to resize, crop, or clean up the image before publishing.
Open Magic EraserMore free tools
Explore our other limited free edits after sign-in photo and image tools.
Design linear, radial, and conic gradients with multiple color stops. Copy the CSS code or download as a PNG image.
Convert colors between HEX, RGB, HSL, HSB, CMYK, and CSS named formats. See a live preview, copy any value, and export a color card.
Convert HEX color codes to RGB values and vice versa. Live preview, one-click copy, and CSS snippet output. works in your browser.
Pick any color from an uploaded image and get its HEX, RGB, and HSL codes instantly. Build palettes from photos for web design, branding, and illustration.
Upload a photo and extract 5-10 dominant colors with HEX, RGB, and HSL codes. Copy swatches, export as ASE or CSS variables.
Generate QR codes for URLs, text, WiFi credentials, and vCards. Customize colors, add a center logo, and download as PNG or SVG.