Resize Multiple Images Online (Complete Guide)
9/8/2025 • images, how-to, performance
Resizing multiple images at once is the quickest way to reduce weight and standardize dimensions for web or social uploads—without sending files to a server.
Steps
-
Open the Image Resizer & Compressor: /image-compressor
-
Drag-and-drop your images or click to choose files.
-
Choose your resize mode: Width, Height, or Percent.
- Example: Set width to 1200px and keep aspect ratio.
- Example: Set width to 1200px and keep aspect ratio.
-
Set quality (start at 80% for photos) and choose output format (WebP/JPG/PNG).
-
Click “Process” and download your optimized images.
Short clip (10–30s):
Tips
- Social media: Export sizes per platform’s latest guidelines (e.g., 1080px for Instagram).
- Batch naming: Keep original names or add suffixes like
-1200w
. - File size targets: <200 KB for inline content; hero images can be larger.
FAQs
- Are my images uploaded?
- No—resizing and compression happen in your browser for privacy.
- What format should I choose?
- Photos: WebP or JPEG. Graphics with transparency: PNG or WebP (lossless).
Related:
- Compress Images for Web (with Before/After): /posts/compress-images-before-after
- Convert Images to PDF: /pdf-toolkit#images