Media
Image Resizer
Resize photos on the toolbox API by exact pixels, percentage, or social presets. Lock aspect ratio, pad with a fill color, and optionally cap JPG output size.
Quick start
- 1
Upload an image
Add a JPG, PNG, or WebP, or use an image URL if you have one.
- 2
Choose how to size it
Enter pixels, scale by percentage, or pick a Facebook, Instagram, YouTube, or other preset.
- 3
Set the fit
Turn on background fill and choose a color when the image should sit inside the canvas.
- 4
Download
The image is resized on the media API. Save the result.
Features
Size, percent, or social
Enter pixels, scale by percentage, or pick Facebook, Instagram, YouTube, and more.
Background fill
Fit the image inside the canvas and pad leftover space with a fill color.
Server-side processing
Decoded and resized with Photon, then encoded on the media API.
Specifications
- Input Formats
- JPG, PNG, WebP
- Max File Size
- 10MB per image
- Max Dimensions
- 8192 × 8192
- Privacy
- Processed on the toolbox API
Use cases
- Match an Instagram or YouTube cover size.
- Scale a photo by percentage without a calculator.
- Letterbox an image on a solid color.
Frequently asked questions
What does background fill do?
It fits the image inside the target size and paints the leftover space with the color you pick.