Image Resizer
Resize images in the browser with presets for popular SNS platforms.
Drag & drop a file here
or
How to use
- Drop or select one or more image files.
- Choose a preset size or enter custom dimensions.
- Decide whether to maintain the aspect ratio.
- Download the resized images.
About this tool
Image Resizer lets you adjust image dimensions for websites, social posts, and profile pictures without installing software. Built-in presets cover popular platforms such as Twitter, Instagram, and Facebook, so you can prepare content in seconds.
Features
Custom width and height input, SNS and avatar presets, aspect ratio lock, batch processing, live preview, and instant download. The tool preserves quality by using high-quality resampling under the hood.
Use cases
Preparing social media banners, creating multiple thumbnail sizes for a CMS, shrinking photos before emailing, and generating responsive image variants for web development.
Why choose this tool
Because everything runs in the browser, private photos never leave your computer. The mix of presets and manual controls makes the tool friendly for beginners while still flexible enough for professional creators.
FAQ
- Which formats are supported?
- PNG, JPEG, and WebP images can be resized, and the output format matches the input by default.
- Are my images uploaded?
- No. Resizing uses the browser canvas API, so your files never leave the device.
- Can I batch process multiple files?
- Yes. Drop several images at once and each one is resized using the same settings, then packaged for download.