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Private browser tool
Resize Image by Pixels
Resize your images online to custom pixel width and height dimensions with aspect lock. Runs in your browser with no account required.
Always Free
Local processing
No account needed
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Drag & drop your image here
Supports JPG and PNG • Up to 50MB
Supports JPG, PNG, and WebP • Up to 50MB and 40 megapixels
Tab Preview Simulation
Original: {{ formatBytes(originalFile.size) }}
Optimized: {{ formatBytes(outputBlob.size) }}-
{{ savingsText }}
Dimensions: {{ outputDimensions }}
The uploaded file format is already matching the requested conversion format. Compression will still apply.
WebP compression preserves alpha transparency channel presets. Converting transparent PNGs to JPEGs will discard transparency backgrounds.
Compression Quality
{{ quality }}%
Output Format
Width (px)
Height (px)
Platform Size Presets
Crop & Fit Mode
Padding Fill Color:
Crop Positioning Align
Resize Scale
{{ resizePercent }}%
Select Crop Aspect Preset
Crop Frame Size Scale
{{ cropScale }}%
Circle Crop Size Scale
{{ cropScale }}%
Rotate Angle
Flip Asset Mirror
Flip Asset Mirror
Watermark Text
Font Size (px)
Font Color
Opacity ({{ Math.round(watermarkOpacity*100) }}%)
Position
Click anywhere on the image above to select pixel color
{{ pickedColor }}
{{ pickedColorRgb }}
Download Favicon Outputs
{{ field.label }}
Paste Base64 Encoded Image Code (e.g. data:image/png;base64,...)
Target Output Format
Images workflow
Processed locallyZero file uploads to Beginware
How to use Resize Image by Pixels
Resize your images online to custom pixel width and height dimensions with aspect lock.
-
Choose a source image
Open a JPG, PNG, or WebP and note its original dimensions.
Step 1 of 3 -
Enter width and height
Set the required pixel dimensions. Keep the ratio lock on for proportional changes, then choose cover, contain, or stretch.
Step 2 of 3 -
Verify the new dimensions
Check the reported output width and height and download the resized image.
Step 3 of 3
No account required
Works instantly in browser
Always review important output
- Input
- JPG, PNG, WebP
- Size control
- Pixel width and height
- Fit modes
- Cover, contain, stretch
Example workflow
- Input Sample
- A 1600 × 1200 image with the ratio locked; width = 800
- Generated Result
- An 800 × 600 image when the proportional dimensions are kept.
Limits and Considerations
- A larger pixel count does not recover detail from a small original. Cover may crop; stretch may distort.