Square posts
1080 × 1080 is a dependable starting point for social feeds.
Every pixel, exactly
where you want it.
Resize one image or a complete batch by pixels, percentage or ready-made presets — without uploading your originals.
Files stay on your deviceUp to 20 imagesSmart aspect ratio
Image Resizer
JPG, PNG and WebP · 50 MB per file
Drop images to resize
Choose one image or a complete batch. Fine-tune the size before anything changes.
Nothing is uploaded to a serverA quick size guide
Pick the result, not random numbers.
Start with what the image needs to do. Use a safe preset, percentage scaling or exact custom dimensions.Video covers
Use 1920 × 1080 for presentations, video and desktop displays.
Quick scaling
Percentage mode keeps every file proportional in a mixed batch.
Batch resizing, simplified
One precise size for the whole batch.
Global settings keep every export predictable. Add files, confirm the target, then download everything together.Add images
Mix different dimensions and supported formats in the same batch.
Set the size
Use pixels, percentage or a preset with ratio protection.
Download
Save one result or download the complete batch as a ZIP.
Part of the SirPic toolkit