Image2Tool
Free · Browser-only

Image Resizer

Resize PNG, BMP, JPG, WebP, and GIF to exact dimensions in your browser. Lock aspect ratio, export JPG, PNG, or WebP — free, no upload.

  • No upload
  • Runs in your browser
  • image resizer
Full-size photo before resize2400×3000
Same photo resized to exact pixel dimensions840×1050
Exact pixelsAspect lock

Set exact width and height — optional aspect lock for clean layouts.

Instant Results

Process your images locally and download ready files.

High Quality

Choose formats and settings for clean, usable outputs.

Privacy First

Your files stay on your device — no upload for core tools.

Free · no watermark

Use core tools without signup. Free downloads are not watermarked.

How to Use Resize

3 simple steps to finish your output

  1. 1

    Upload

    Upload a PNG, BMP, JPG, WebP, or GIF image from your device.

  2. 2

    Configure

    Set width and height (optionally lock aspect ratio).

  3. 3

    Download

    Choose JPG, PNG, or WebP and download the result.

Perfect for Any Use Case

Built for workflows that search for image resizer, resize image, change image dimensions.

Resize images to exact pixel sizes

Resize image for search results, grids, and thumbnails with predictable dimensions.

Original example for Image Resizer
Original
800×1000 example for Image Resizer
800×1000
400×500 example for Image Resizer
400×500
Thumbnail example for Image Resizer
Thumbnail

Why people use our tools

  • Processed in your browser
  • No upload · no account
  • No watermark on free export
  • Results in seconds

How this image resizer is different

Many “resize” sites push you into a multi-step cloud editor or compress everything to one mystery format. This resizer is a focused pixel tool: set exact width and height, lock aspect ratio when you need it, and export JPG, PNG, or WebP—processed locally in the browser. No account, no upload queue, and no bundling resize with unrelated AI features. Ideal when you need predictable dimensions for thumbnails, banners, or social crops without handing the file to a third-party server.

Recommended next step

Keep working in your browser — download from this tool, then open the next one and choose the same file. No account, no cloud upload for core processing.

Image Resizer FAQ

Can I keep the original aspect ratio?
Yes. Turn on aspect lock and change one side — the other updates automatically.
What output formats are supported?
JPEG, PNG, and WebP. Inputs include PNG, BMP, JPG, WebP, and GIF.
Is resizing done on your servers?
No. Resizing happens locally in your browser.

Looking for related Image Resizer? Explore Tools.