Resize an image to the dimensions you need.
Resize images to exact dimensions or by percentage with aspect ratio locking. Runs locally in your browser.
How to Use Image Resizer
- Select or drag and drop your file(s) into the Image Resizer workspace.
- Adjust the custom parameters, formats, or options to your requirements.
- Preview the processed output in real time and download the result instantly to your device.
Key Capabilities & Features
- 100% Client-Side Processing: Your data never leaves your computer or mobile device.
- Fast & Instant: Powered by modern WebAssembly and HTML5 browser APIs without upload delays.
- No Signups & No Watermarks: Completely free and unlimited for personal and professional use.
Privacy & Security Guarantee
At Toolbo, privacy is built directly into the software architecture. Image Resizer processes all inputs directly in client-side browser memory. There is no server upload, no remote file caching, and zero tracking of your document or media contents.
Frequently Asked Questions
- Can I resize multiple images at once?
- Yes, just drop multiple images and they will all be resized to your chosen dimensions or scale percentage.
- Can I maintain the original aspect ratio?
- Yes, the aspect ratio lock is enabled by default so your images are never stretched or distorted.
- Are my photos stored or uploaded?
- No. All resizing operations are processed on-device in your web browser.
Related Online Tools
- Image Compressor — Make image files smaller without losing quality.
- Image Converter — Convert images between PNG, JPG, and WebP.
- Image to PDF — Convert images to a single PDF — no watermark.