Blazing Fast
On-device browser compression.
Compress Image Without Changing Dimensions
Choose your image and hit the Compress button.
Exact KB Control
20KB, 50KB, 100KB, 200KB, or 1MB.
Zero-Upload
Private browser-only processing.
Unlimited Uses
Free unlimited use.
What is Zero-Upload?
All processing happens in your browser. No data is sent to our servers. Learn More
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What this tool does
How ImgSmaller Helps You Compress Images Without Changing Dimensions
ImgSmaller.com is a free and fast online image compressor that supports zero-upload and server-upload modes to protect your privacy and give flexibility. Here’s what makes it stand out:
🔒 Zero Upload Mode (Browser-only):
Your image never leaves your browser. It’s processed locally for maximum privacy.
☁️ Server Upload Mode:
For advanced compression (including PDF and AVIF formats), images are temporarily uploaded to our secure server and deleted after processing.
🧠 Smart Compression:
ImgSmaller uses advanced algorithms that reduce file size without altering the width or height of your image.
📁 Supported Formats:
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JPG / JPEG
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PNG
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WEBP
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AVIF
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PDF (Server mode only)
How to Compress an Image Without Changing Dimensions (Step-by-Step)
Step 1: Visit ImgSmaller.com
No sign-up, no hassle.
Step 2: Upload or Drag & Drop Your Image
You can upload images directly or drag them into the drop zone.
Step 3: Select Compression Mode
Choose between Zero Upload Mode or Server Upload Mode (to enable extra formats or deeper compression).
Step 4: Click Compress
The tool does its magic and keeps your image dimensions untouched.
Step 5: Download Your Optimized Image
That’s it! Same dimensions, much smaller size.
Use Cases for Dimension-Preserving Compression
🌐 Web Designers & Developers
Maintain layout integrity while boosting page speed and SEO.
🛒 E-commerce Sellers
Upload product images that load fast but stay sharp.
📸 Photographers & Bloggers
Compress images without cropping or resizing.
🎓 Students & Job Seekers
Upload passport-size photos or scanned documents to forms that have strict size limits.
Will compressing an image affect its resolution? ›
No, ImgSmaller only reduces file size, not resolution. Your image dimensions stay the same.
What’s the difference between Zero Upload and Server Upload mode? ›
Zero Upload Mode processes the image inside your browser (more privacy), while Server Upload Mode sends your image to our server temporarily for deeper compression and more features.
Can I compress multiple images at once? ›
Yes, ImgSmaller supports multiple image compression. You can upload several images, and they will be processed one after another efficiently.
Is there any loss of quality? ›
There might be slight quality loss (visually negligible) depending on compression level, but dimensions and structure remain intact.
Is ImgSmaller free to use? ›
Yes, ImgSmaller is completely free. You can compress as many images as you like without any cost or subscription.
Is my data safe while compressing images? ›
Yes, your privacy is 100% protected. In Zero-Upload Mode, your images are processed locally in your browser and never leave your device.
