Resize Images
Change the dimensions of any image.
Fits inside the box, white letterbox.
Drop your images here
or click to browse
Max 100MB
About Resize Images.
Resize Images to Exact Dimensions — Locally
Upload a photo, set the pixel dimensions you need, and CipherForces Image Resizer produces a perfectly-sized output. Aspect ratio can be locked or unlocked, and the tool handles both upscaling (with smooth bicubic interpolation) and downscaling without introducing artifacts. All processing happens in your browser via canvas — your image never uploads to our servers.
Common Use Cases
- Platform requirements: Hit an exact pixel size for a specific portal — Amazon 1000x1000, LinkedIn 400x400, a government form demanding 300x400.
- Email attachments: Shrink large photos below 5 MB by resizing to 1920x1080 or smaller.
- Web performance: Prepare hero images at 1600-wide and thumbnails at 400-wide in one pass.
- Profile pictures: Crop + resize square avatars at 400x400 for LinkedIn, Twitter, Gravatar.
Key Features
- Aspect-ratio lock: Drag either dimension and the other follows automatically.
- Percentage mode: Resize to 50% of original if you don't know exact pixels.
- Format choice: Output as JPG, PNG, or WebP — each with quality control.
- Batch support: Drop multiple images and resize them all to the same target size.
Privacy: All resizing happens locally in your browser. Your images never leave your device.
Frequently asked questions.
How do I resize an image with this tool?
Open the image resizer, drag your photo onto the page or pick it from your device, then enter your target width and height in pixels. Adjust the numbers as needed, then download the resized image. No signup is required and the tool is free.
Is my image uploaded to a server when I resize it?
No. This image resizer runs entirely in your browser using JavaScript, so the file is processed on your own device and never leaves it. Nothing is uploaded to a server, which keeps private photos and documents fully on your computer the whole time.
Can I keep the original aspect ratio when resizing?
Yes. Most resizing needs only one dimension, so you can set a new width or height and let the tool scale the other side to match. Keeping the aspect ratio locked prevents your image from looking stretched or squashed after you resize it.
Does resizing an image reduce its file size?
Usually, yes. Making an image smaller in pixel dimensions typically lowers its file size, which helps pages load faster and fits upload limits. Enlarging an image increases its dimensions but cannot add detail that was not in the original photo.
How to use Resize Images.
Upload your file
Drag and drop or click to select your file.
Choose settings
Adjust quality, size, or format options.
Download result
Your processed file is ready instantly.
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