1
📂
Upload Your Images
Click the upload area or drag and drop your photos. Accepts JPG, PNG and WEBP — up to 10 at a time.
2
📐
Set Dimensions
Enter the target width and height in pixels and choose your preferred output format.
3
📦
Download Your ZIP
Click the button and your resized images are packaged into a ZIP file and downloaded instantly.
📸
Instagram & Social Media
Resize photos to 1080×1080 for feed posts, 1080×1920 for Stories or 1200×628 for Facebook.
💬
WhatsApp & Messaging
Reduce large photos before sending to save bandwidth and speed up delivery.
🌐
Web & Blog Images
Resize and convert to WEBP for fast-loading pages and better Core Web Vitals scores.
📄
Documents & ID Photos
Prepare passport-style 2×2 or 3×4 photos to exact pixel requirements.
🖥️
Desktop Wallpapers
Fit images to common resolutions like 1920×1080, 2560×1440 or 3840×2160 (4K).
Resize Images Online — Free Batch Image Resizer
Need to resize images without losing quality? Our free tool lets you change the dimensions of up to 10 photos at once — right inside your browser. No software to install, no account to create.
Whether you need to resize photos for Instagram, prepare web-optimized images, create ID card photos or simply reduce file size before sending via email, this tool handles it all in seconds.
How Does the Image Resizer Work?
The resizer uses the HTML5 Canvas API to redraw your images at the dimensions you specify. Every step happens locally in your browser — your files are never uploaded to any server, so your privacy is fully protected.
Once all images are processed, they are packaged into a single ZIP file using the JSZip library and downloaded automatically to your device.
Supported Input and Output Formats
- JPG / JPEG — best for photographs; smaller file size.
- PNG — lossless compression; ideal for graphics, logos and transparency.
- WEBP — modern format with excellent compression; recommended for websites.
Tips for the Best Results
Keep these best practices in mind when resizing images:
- Downscaling (making images smaller) always preserves quality. Upscaling may introduce blurriness.
- Use WEBP for website images — it's typically 30% smaller than JPG at the same visual quality.
- For social media, use square dimensions (1080×1080 px) for the cleanest results on most platforms.
- When batch-resizing, all images are set to the same pixel dimensions. If aspect ratios differ, the image will be stretched — plan accordingly.
Privacy & Security
We take your privacy seriously. This tool is 100% client-side — all image processing happens on your device using your browser's built-in APIs. No image data is ever transmitted to our servers. Files are automatically discarded from memory after the download is triggered.
Frequently Asked Questions
Is this image resizer really free? ▼
Yes, completely free. No subscription, no hidden fees and no account required. Just open the page and start resizing your images right away.
Are my images uploaded to a server? ▼
No. All processing happens directly inside your browser using the HTML5 Canvas API. Your images never leave your device, which means your photos are fully private.
How many images can I resize at once? ▼
You can resize up to 10 images in a single batch. All resized images are packaged into one ZIP file for convenient download.
What image formats are supported? ▼
You can upload JPG, PNG and WEBP files. You can also choose any of these three formats as the output for your resized images.
Will resizing reduce my image quality? ▼
The tool renders images at 92% quality using the Canvas API, which preserves excellent visual fidelity for most uses. Enlarging an image beyond its original size may cause some softness — this is a fundamental limitation of pixel-based scaling and applies to all resizing tools.
Can I resize images to a specific size for Instagram? ▼
Absolutely. For Instagram feed posts, use 1080×1080 px (square) or 1080×1350 px (portrait). For Stories and Reels, use 1080×1920 px. Just type those values in the Width and Height fields and resize away.
We value your feedback!
Feel free to share your opinion or suggestions with us.
Every message is read carefully by our team.
Did something go wrong while using the tool?
Contact our support team →
