Image Resizer
A high-demand image tool for resizing single or multiple images instantly in the browser with social media presets, custom dimensions, and batch ZIP download.
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Viewability: 75-85%
How it works
- Browser-first where supported
- No sign-up required for basic use
- Uploads should be auto-deleted after processing once server-side tools are enabled.
Trust and privacy
Free online image resizer that scales images by pixels, percentage, or social media presets with batch support — no signup, no upload to server.
Frequently asked questions
Is Image Resizer really free?
Yes, completely free with no signup, no watermarks, and no limits on how many images you resize.
Are my images private when I resize them online?
Yes. All resizing happens entirely in your browser — your images are never uploaded to any server.
Can I resize multiple images at once?
Yes. Batch mode lets you resize up to 20 images with the same settings and download them all as a ZIP file.
What's the best free online image resizer?
AllUtil's Image Resizer supports custom pixels, percentages, and social media presets with batch processing — all free in your browser with no uploads, no watermarks, and no signup.
What social media presets are available?
Instagram (1080x1080), Facebook Cover (820x312), Twitter (1500x500), YouTube (1280x720), LinkedIn (1200x627), and more.
Why is this the best free image resizer?
This image resizer lets you resize images by exact pixel dimensions, percentage, or social media presets directly in your browser. It supports batch processing for up to 20 images at once, making it the fastest way to prepare images for any platform.
Key Features
- Resize by exact pixels, percentage, or preset dimensions
- Social media presets for Instagram, Facebook, Twitter, YouTube, and LinkedIn
- Batch resize up to 20 images with consistent settings
- Maintain or unlock aspect ratio with one click
- Choose output format: JPEG, PNG, or WebP
- Download all resized images as a ZIP file
- Live preview showing original and resized dimensions
Common Use Cases
- Resize photos for Instagram posts and stories
- Create properly sized YouTube thumbnails
- Prepare product images for e-commerce listings
- Resize screenshots for blog posts and documentation
- Batch resize event photos to consistent dimensions
- Create social media cover images at exact specifications
How It Compares
Most online resizers process one image at a time or require paid subscriptions for batch processing. This tool handles batch resizing for free, includes built-in social media presets, and processes everything in the browser without uploading your images.
Privacy & Security
All resizing is done locally in your browser. No images are uploaded to any server. No account needed.
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Viewability: 40-55%