Image Resizer
Resize images by exact dimensions or percentage directly in your browser. Keep the aspect ratio, choose the output format, and download instantly.
Drop an image here or click to upload
JPG, PNG, WebP, GIF, BMP, TIFF
How to use
- Upload an image, choose to resize by dimensions or percentage, and enable the aspect ratio lock as needed.
- Click Resize Image to process, preview the result, and download in JPG, WebP, or PNG.
- Everything runs in your browser — no image is ever sent to any server.
You might also like
Related tools
Image tools
Background Remover
Remove the background from any photo instantly in your browser. No upload, no server — powered by on-device AI.
Image tools
Base64 Image Decoder
Paste a Base64 image string or data URI, preview the decoded image, inspect MIME type and size, and download the image locally.
Image tools
B&W / Sepia Filter
Apply a black and white or sepia look to common image formats.
Image tools
Colorize Images
Apply a custom tint color to common image formats.
Help & answers
Frequently Asked Questions
Important disclaimer: Alexonic Tools is completely free to use. There is no charge, and we do not save tool inputs or generated results. We value customer privacy and keep building and fixing each day. Always verify important financial, payroll, legal, tax, business, or production-code results before relying on them. If you see an issue, need a tool, or require an update, send feedback to the developer.