Bulk Image Resizer
Online for Free

One image or a whole batch. Resize them your way.

Resize photos by percentage, exact pixels, or ready-to-use presets. Import iPhone HEIC/HEIF photos, export as JPG, PNG, or WebP, and download multiple resized images in one ZIP file.

Drop one or more images here

JPG, PNG, WebP, HEIC, or HEIF · Multiple files allowed · Up to 50 MB each

Your images stay on your device and are never uploaded

01 Selected Images

You can also drop a new batch here. Your current settings will be preserved.

02 Size and Output Format

The same settings are applied to every image.

Same size as the original

“Long edge” means the longer side of each image.

px
px

Aspect ratio locked: the last edited side is applied to every image.

Choose a preset to set the long edge, width, or height. Crop in the destination app if its required aspect ratio is different.

Output Format

PNG and WebP preserve transparency. JPG fills transparent areas with white.

90%

Lower quality produces a smaller file.

03 Resize and Download

Download the first image by itself or save the entire batch as a ZIP.

Download First Image

Image Resizer Features and How to Use It

🔒 Private and Secure

All resizing happens locally in your browser using JavaScript. Your files are never uploaded to our server, making the tool suitable for personal photos and images containing sensitive information.

⚡ Fast and Data-Efficient

Because there is no server upload, processing starts immediately and does not use data to transfer your photos. Performance depends on your device and the number and size of the selected images.

🎨 High-Quality Resizing

High-quality browser image smoothing helps keep edges and text clear when you reduce dimensions. It works well for website photos, presentation graphics, profile images, and other everyday uses.

Recommended Image Resize Settings

Websites, Blogs, and Online Stores

Large source photos can slow page loads. Start with a width or long edge of 1,200 px for typical blog and product images, then choose JPG or WebP and adjust quality as needed. Always follow your publishing platform’s exact requirements when they differ.

X (Twitter), Instagram, and Social Media

Social platforms may crop or recompress images, so check the latest requirements in the app before posting.
X header: Use the 1,500 px width preset, then crop to the required banner shape.
Instagram: Use the portrait post or Stories preset, then crop in Instagram if necessary.
Link previews: The 1,200 px Open Graph preset is a practical starting point for social cards.

Email Attachments and Documents

Oversized photos can make PowerPoint, Word, and email attachments unnecessarily large. A width of 1,280 or 1,920 px is often enough for on-screen viewing. Try the 50% option for a quick reduction, or use an exact pixel width when you have a file-size target.

What Is the Difference Between Resizing and Compression?

Resizing changes pixel dimensions—for example, from 4,000 × 3,000 px to 1,000 × 750 px—which usually reduces file size substantially.
Compression reduces file data without necessarily changing dimensions. This tool resizes images and can also reduce JPG or WebP file size when you lower the Quality setting.

Frequently Asked Questions

Can I preserve a transparent background in PNG or WebP files?
Yes. PNG and WebP can preserve transparent backgrounds. Export as PNG or WebP to keep transparent areas. JPG does not support transparency, so transparent areas are filled with white.
Can I use this image resizer on a phone?
Yes. It works in modern browsers on phones, tablets, and computers, with no app installation required.
Can I resize images for websites, blogs, and social media?
Yes. Resize photos for faster-loading websites and blogs, social posts, profile headers, email attachments, and documents.
Should I export as JPG, PNG, or WebP?
Choose JPG or WebP for photos. Choose PNG or WebP for logos, graphics, or images that need transparency. If you are unsure, use JPG for photos and PNG for transparent images.
Are my images uploaded to a server?
No. Image processing happens locally in your browser, so your files are not uploaded to our server.