Resize Image Online by Pixels, CM, MM
Scale images to custom pixel, millimeter, or centimeter dimensions with aspect ratio lock.
Select or drop image to resize
Target pixel, centimeter, or millimeter dimensions with aspect ratio lock.
Browse ImageTarget Dimensions
No Upload Latency
Files never travel to an external server. Everything processes on your local CPU/GPU hardware at maximum transfer speed.
Complete Privacy
Your personal photos, confidential identity certificates, and signatures never leave your browser sandbox.
Exact Precision
Engineered to satisfy stringent dimension and file-size constraints enforced by government recruitment servers.
How to Use Image Resizer in 3 Steps
Select File
Click or drag your image into the workspace box above.
Tune Output
Adjust sliders, dimensions, or preset buttons in the control panel.
Instant Download
Click download to save your new file with zero compression artifacts.
Frequently Asked Questions
Is Image Resizer free to use on Pixzen? ↓
Yes, Image Resizer is 100% free with no hidden paywalls, no watermark, and no login required. You can process unlimited images anytime.
Are my photos uploaded to a server when using Image Resizer? ↓
No. Pixzen processes all files directly inside your browser engine using modern WebAssembly and Canvas APIs. Your files never touch our servers, guaranteeing complete privacy.
What formats are supported by Image Resizer? ↓
Image Resizer supports common image formats including JPG, PNG, WebP, and standard image files up to 50MB.
More Image Utilities
Bulk Image Resizer
Resize multiple images at once to uniform dimensions and download as ZIP archive.
Image Compressor
Compress JPG, PNG, and WebP images with adjustable quality or exact target KB.
Compress Image to 20KB
Target exact 20KB for UPSC, SSC, RRB, and official recruitment portals.
Compress Image to 50KB
Reduce photo and certificate sizes under 50KB with zero quality distortion.
Compress Image to 100KB
Optimize documents, IDs, and high-res photos to under 100KB.
Batch Compressor
Compress dozens of images simultaneously and download them in a single ZIP package.