Batch Image Resizer (Pixels & %)
Resize JPG, PNG, and WebP images by exact pixel dimensions or percentage scaling with aspect ratio lock.
Upload image to resize
or tap to browse files from your device
High-Performance Developer API
Need automated batch PDF processing or background removal for your SaaS? Check our partner REST APIs.
How to Use Batch Image Resizer (Pixels, % & Aspect Lock)
Follow these 3 simple steps to complete your task directly in your browser with zero server uploads.
Upload Photo
Drop your image into the resize workspace.
Enter Dimensions
Specify target width and height in pixels or percentage, locking aspect ratio if desired.
Resize & Export
Download resized photo in crisp resolution.
100% Client-Side Browser Architecture
Unlike traditional web tools that upload your sensitive documents to remote servers over the internet, OmniTool Suite uses compiled WebAssembly (Wasm) binaries and HTML5 Canvas APIs inside background Web Workers. This guarantees absolute data privacy, instantaneous zero-latency conversions, and offline capability.
Frequently Asked Questions
Everything you need to know about Batch Image Resizer (Pixels, % & Aspect Lock) privacy, speed, and limits.