Image Resizer
Resize images by pixels or percentage
100% Private & In-Browser
Processed locally using client-side JavaScript. Your files and data never touch any server.
Instant & Unlimited
No registration, no waiting queues, and no limits on file conversions or generations.
What is Image Resizer?
Resize images to exact pixel dimensions or by percentage, with aspect-ratio locking and bulk support. Ideal for preparing photos for web, avatars, or marketplace requirements.
How to use Image Resizer
Open Image Resizer in any modern web browser on your computer, tablet, or smartphone.
Select, drag, or drop your file directly into the Image Resizer workspace.
The tool processes your data in real time directly on your device using HTML5 Canvas hardware acceleration, WebAssembly image decoders, and offscreen bitmap buffers.
Copy your generated result to your clipboard, preview the output, or save your file with a single click.
- 100% Client-Side In-Browser Execution — your inputs, files, and generated data never touch any remote cloud server.
- Instant Unlimited Free Usage — no daily limits, feature gates, paywalls, or account registrations required.
- Real Image Processing — Canvas and WebAssembly decoders handle your pixels locally, at full resolution.
- Resize images by pixels or percentage
- Handling private or confidential material that should not be uploaded to third-party cloud services.
- Resize images to exact pixel dimensions or by percentage, with aspect-ratio locking and bulk support. Ideal for preparing photos for web, avatars, or marketplace requirements.
- Running a quick one-off task — once loaded, most tools keep working even if the connection drops.
- Photographers, graphic designers, frontend engineers, and digital marketers who need to process and compress visual media without uploading gigabytes of data without installing software.
Frequently Asked Questions
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