Image Tools

How to Use the Image Resizer

2026-11-134 min readBy Apex Tool Station Team

Resize any image to exact pixel dimensions or by percentage, with aspect ratio lock and format choice.

100% free No signup Works in your browser

1. What is the Image Resizer?

Resize photos for Instagram, Facebook covers, passport forms, website banners or email signatures. Enter an exact width and height in pixels, or scale the whole image by a percentage. The aspect-ratio lock keeps your picture from stretching.

Resize any image to exact pixel dimensions or by percentage, with aspect ratio lock and format choice. It offers exact pixel or percentage resizing, aspect ratio lock, high-quality smoothing and export as jpg, png or webp.

2. How to use the Image Resizer

Here is the whole process, step by step. It takes less than a minute from opening the tool to seeing your result.

1Upload the image you want to resize.
2Choose "By pixels" and type a width or height, or choose "By percent".
3Pick an output format: JPG, PNG or WEBP.
4Click "Resize & download".

Press the "By pixels" button and your result appears on the page.

Everything runs in your browser — your files and text never leave your device.

3. What you can do with it

Exact pixel or percentage resizing
Aspect ratio lock
High-quality smoothing
Export as JPG, PNG or WEBP
Run the tool with the "By pixels" button when your input is ready.

4. Tips for best results

Your text never leaves your device — The tool runs entirely in your browser using JavaScript. Nothing is uploaded, so you can paste private documents without worry. That also means there is no account to create and no file to upload.
It works on your phone too — Open the tool in any modern browser on Android or iPhone. The layout adjusts to the screen and everything works the same way on a small screen as on a desktop.