Online Image Resizer – Resize, Reduce & Convert Photos
Resize images in KB, pixels, or custom dimensions. Reduce photo size for web, email & social media. Enlarge or increase image resolution online. All conversions are performed locally in your browser for maximum privacy.
Drag and drop image here or click to select
Supported: PNG, JPG, JPEG, WEBP, GIF, BMP, HEIC, AVIFSecure & Private
Files are processed securely and deleted automatically after resizing.
Fast Processing
Resize your images in seconds with our optimized resizing engine.
Precise Control
Resize images to exact dimensions while maintaining aspect ratio.
Completely Free
No registration required, no watermarks, unlimited usage.
Resize Images in KB, Pixels, or Custom Dimensions
When you need to resize image online or use an image resizer, choosing the right tool is crucial for maintaining image quality and achieving your desired dimensions. Our free image resizer ensures that your images are resized to exact specifications while preserving quality. Whether you're dealing with reduce image size for web optimization, resize image in kb for specific file size requirements, or need to increase image size for better resolution, our photo resizer solution handles all your resizing needs.
Our advanced resizing technology makes it easy to resize images in kb or pixels while maintaining perfect image quality. The tool automatically detects and preserves all image elements from your files. For businesses requiring picture resizer functionality, our converter maintains aspect ratios, colors, and image metadata while resizing to your exact specifications.
Looking for other image processing options? Check out our comprehensive image tools including image compressor, image converter, and PDF to JPG converter for all your image processing needs.
Reduce Photo Size for Web, Email & Social Media
Our image resizer creates optimized images perfect for different platforms and use cases:
Web Optimization
Our resize image online technology creates images optimized for web use. Reduce file sizes while maintaining visual quality for faster loading times and better user experience.
Email Attachments
Perfect for reducing image sizes for email attachments. Our reduce image size feature ensures your images meet email size limits while preserving important details.
Social Media Posts
Resize images to perfect dimensions for Instagram, Facebook, Twitter, and other social platforms. Our preset sizes ensure your images look great on every platform.
Enlarge or Increase Image Resolution Online
Our image resizer handles both reduction and enlargement with precision:
Increase Image Size
Our increase image size technology uses advanced algorithms to enlarge images while maintaining quality. Perfect for upscaling photos for printing or high-resolution displays.
Resolution Enhancement
Enhance image resolution for better clarity and detail. Our resizing engine preserves image quality during enlargement, making it ideal for professional use.
Percentage-Based Resizing
Resize images by percentage for proportional scaling. Choose from 50% to 500% scaling options for precise control over image dimensions.
Passport Photo Size Maker – Instant Resizing
Our passport photo size maker creates perfectly sized photos for official documents:
Official Document Sizes
Our passport photo size maker supports all standard passport and ID photo dimensions. Create photos that meet official requirements for passports, visas, and ID cards.
Precise Dimensions
Resize images to exact passport photo specifications. Our tool ensures your photos meet the strict size requirements of official documents.
Quality Preservation
Maintain high image quality while resizing to passport photo dimensions. Our advanced algorithms ensure your photos remain clear and professional-looking.
Free Online Image & Photo Size Converter
Our free image resizer supports all major image formats with instant conversion:
Size Reduction Options
- Resize image in kb - Reduce to 20kb, 50kb, 100kb, or custom size
 - Reduce image size - Shrink images for web and email
 - Minimize photo size - Compress images while maintaining quality
 - Reduce dimensions - Adjust width and height precisely
 
Size Increase Options
- Increase image size - Enlarge photos for better resolution
 - Upscale images - Enhance image dimensions
 - Resize by percentage - Scale images proportionally
 - Custom dimensions - Set exact width and height
 
How to Resize Images in 3 Easy Steps
Step 1: Upload Your Image
Simply drag and drop your image into the upload area or click to browse and select your file. Our image resizer online supports PNG, JPG, WEBP, HEIC, AVIF, and other common formats. All processing happens locally in your browser for privacy.
Step 2: Choose Dimensions or Size in KB
Select your resizing method - custom dimensions, preset sizes, or percentage-based scaling. For specific file sizes, use our resize image in kb feature to achieve exact file size requirements.
Step 3: Resize & Download
Once resizing is complete, download your optimized image directly to your device. The file will be ready for web use, email, social media, or printing. Need to compress further? Try our image compressor.
Features of Toolomix Image Resizer
Free and Unlimited Resizing
Resize as many images as you need without any restrictions. No hidden fees, no subscription required, and no watermarks added to your images.
Secure and Private Processing
All resizing is performed locally in your browser, so your images never leave your device. This ensures complete privacy and security - we never see or store your images.
Works on Any Device – No Installation Needed
Access our image resizer from any device - desktop, tablet, or mobile. No software installation required, works directly in your web browser.
Benefits of Using an Online Image Resizer
Save Time with Fast Resizing
Resize your images in seconds instead of using complex desktop software. Our online tool is faster and more efficient than traditional methods. For additional processing, try our image compressor after resizing.
Maintain Perfect Image Quality
Our advanced resizing technology preserves image resolution, colors, and metadata from your original files, ensuring your resized images look exactly as intended. For complex layouts, our image converter might be more suitable.
Optimize Images for Any Purpose
Once resized, your images are perfect for web use, email, social media, or printing. Need to convert formats? Use our image converter for additional processing.
FAQs About Image Resizing
Is the image resizing free?
Yes, our free image resizer is completely free to use with no hidden charges or subscription fees. You can resize unlimited images without any restrictions. All processing happens locally in your browser for maximum privacy.
Can I resize image in kb?
Absolutely! Our resize image in kb feature allows you to reduce images to specific file sizes like 20kb, 50kb, or 100kb. Perfect for email attachments and web optimization.
Can I reduce image size online free?
Yes! Our reduce image size online free feature allows you to shrink images for web use, email, and social media. All processing happens locally in your browser for complete privacy.
Can I increase image size?
Absolutely! Our increase image size feature allows you to enlarge images while maintaining quality. Perfect for upscaling photos for printing or high-resolution displays.
Can I use this as a passport photo size maker?
Yes! Our passport photo size maker feature allows you to resize images to exact passport photo dimensions. Perfect for creating official document photos that meet strict requirements.
Can I minimize photo size?
Absolutely! Our minimize photo size feature allows you to reduce image file sizes while maintaining visual quality. Perfect for web optimization and email attachments.
Can I resize image size in 20kb, 50kb, 100kb?
Yes! Our resize image size in 20kb, 50kb, 100kb feature allows you to reduce images to specific file sizes. Perfect for meeting email attachment limits and web optimization requirements.
Can I use this as a picture resizer?
Absolutely! Our picture resizer feature allows you to resize any image to your desired dimensions. Perfect for social media posts, web optimization, and email attachments.
Can I use this as an image cropper online?
While this tool focuses on resizing, we offer specialized tools for cropping. Try our image cropper for precise cropping functionality.
Will my image quality be preserved?
Our advanced resizing technology maintains image resolution, colors, and metadata from your original files. All processing happens locally in your browser to ensure maximum quality and privacy.
How secure is my uploaded image?
All resizing is performed locally in your browser, so your images never leave your device. This ensures complete privacy and security - we never see or store your images.
What image formats are supported?
We support PNG, JPG, JPEG, WEBP, HEIC, AVIF, GIF, BMP, and other common image formats. Our image resizer handles both classic and modern image formats with ease.
Can I resize images for social media?
Yes! Our resizer includes preset sizes for Instagram, Facebook, Twitter, and other social platforms. Perfect for creating images that look great on every social media platform.
Is this the best image resizer?
Our resizer is specifically designed to handle all major image formats while preserving quality. All processing happens locally in your browser, making it one of the most secure and accurate resizers available online.
Can I resize images by percentage?
Yes! Our percentage-based resizing feature allows you to scale images proportionally from 10% to 500%. Perfect for maintaining aspect ratios while adjusting image size.
Try Other Free Image Tools on Toolomix
Toolomix offers a complete suite of free image tools to meet all your image processing needs. Explore our other powerful converters and utilities:
Looking for more tools? Browse our complete collection of document converters, image tools, and fun utilities to find exactly what you need for your projects.
Conclusion & CTA
Our image resizer is the perfect solution for anyone who needs to resize images online or use an image resizer for various purposes. Whether you're dealing with reduce image size for web optimization, resize image in kb for specific file size requirements, or need to increase image size for better resolution, our tool delivers professional results every time.
With features like resize image online technology, all processing performed locally in your browser for maximum privacy, and our free image resizer service, you have everything you need for image resizing success.
Ready to Resize Your Images?
Start resizing images online right now. Our image resizer online service is ready to handle your resizing needs instantly with complete privacy.