Private image tool
Image Resizer
Upload, choose a size, resize and download. No image upload, no account, no editing experience needed.
Your images never leave your device.
Resize Any Image Instantly
Change dimensions, scale by percentage, or convert to social media sizes without quality loss.
Supports JPG, PNG, WEBP, AVIF, HEIC up to 30 MB
Why Resize Images?
Make images lighter, cleaner and ready to share.
Resize once, then upload faster to forms, social media, email and websites without sending your image to a server.
Perfect For
Everyday image resizing jobs.
Browser based
Passport Photos
Resume Photos
Website Images
Students
Graphic Designers
Questions
Image Resizer FAQ
Is ToolJi Image Resizer free?
Yes. ToolJi Image Resizer is free to use, does not require signup, and does not add watermarks to your resized images.
Are my images uploaded to ToolJi?
No. The resize process runs inside your browser with Canvas. Your images never leave your device and are not sent to a server.
Which image formats are supported?
You can upload JPG, JPEG, PNG, WEBP, AVIF and HEIC images when your browser supports them. You can export resized images as JPEG, PNG or WEBP.
Will resizing reduce image quality?
Reducing dimensions normally makes a file smaller. JPEG and WEBP quality can also be adjusted in Advanced Settings when you need smaller files or sharper output.
Can I resize images for Instagram, WhatsApp or passport photos?
Yes. Common presets include Instagram, WhatsApp, Facebook, LinkedIn, passport, resume, HD and 4K sizes.
Does this work on mobile?
Yes. The interface is touch-friendly, supports mobile gallery selection, and keeps the preview before the controls on small screens.